Personal

Our fearless leader on his 'carbon' cycle


Born: 9 May 1950
Residence: 2360 Halekoa Dr.
Honolulu, HI 96821
Business: Department of Oceanography
Daniel K. Inouye Center for Microbial Oceanography
1950 East-West Road
University of Hawaii
Honolulu, HI 96822
Telephone: (808) 956-8964
FAX: (808) 956-5059
Email: dkarl@hawaii.edu
Homepages: http://hahana.soest.hawaii.edu
http://cmore.soest.hawaii.edu
http://scope.soest.hawaii.edu


Dave @ Palmer Station Antarctica


Education

State University College at Buffalo, New York;
B.A. degree, December 1971, Magna cum laude
Major: Biology

Florida State University, Tallahassee, Florida;
M.S. degree, August 1974
Major: Biological Oceanography

University of California, San Diego, Scripps Institution of Oceanography;
Ph.D. degree, March 1978
Major: Oceanography


Positions Held

Assistant Professor of Oceanography
University of Hawaii
March 1978 - June 1981

Associate Professor of Oceanography
University of Hawaii
July 1981 - June 1987 (tenure granted July 1982)

Professor of Oceanography
SOEST
University of Hawaii
July 1987 - present

Chairman, Oceanic Biology Research Division
HIG
University of Hawaii
July 1986 - 1990

Chairman, Biological Oceanography Division
SOEST
University of Hawaii
July 1990 - September 1991

Member, Graduate Faculty:
Oceanography (1978 - present)
Marine Biology (1991 - 2015)

Member, Affiliate Faculty
Bermuda Biological Station for Research
1995 - 2004

Chairman, Marine Biology Specialization
University of Hawaii
2002 - 2006

Member and co-chair of Ecosystem Ecology Section
The Faculty of 1000
2005 - present

co-Director (with E. F. DeLong)
Center for Microbial Oceanography: Research & Education (C-MORE)
August 2006 - present

Staff Member
Ecology Institute
Inter-Research Science Center
2006 - present

co-Director (with E. F. DeLong)
Simons Collaboration on Ocean Processes and Ecology (SCOPE)
July 2014 - present


Research Experience

Research Assistant
Florida State University
Department of Oceanography
September 1972 - June 1973

Research Assistant
Scripps Institution of Oceanography
Food Chain Research Group
September 1974 - March 1978

Participant
Experimental Microbial Ecology Course
Marine Biological Laboratory, Woods Hole, MA
June 1974 - August 1974

Participant
Scandinavian Summer School for Microbial Ecology
University of Aarhus, Denmark
August 1976

Research Biologist
U.S. Antarctic Program, McMurdo Base, Antarctica
Ross Ice Shelf Project
December 1976 - January 1977; November 1977 - December 1977

Research Oceanographer
U.S. Antarctic Progam, Palmer Station Antarctica, R/V Polar Duke, RVIB N. B. Palmer, ARSV L. M. Gould
(21 expeditions)

Participant in more than 70 major oceanographic cruises, including microbiological and biogeochemical investigations of: the Cariaco Trench (Basin); Tampa Bay, Florida; the Mid-Atlantic Ridge; NE Gulf of Mexico; Black Sea; Southern California Bight; Amazon River; Caribbean Sea; central California; eastern tropical North Pacific Ocean; subtropical North Pacific Ocean; Ross Sea, Weddell Sea, Bransfield Strait and Bellingshausen Sea, Antarctica; Hawaiian coastal waters

Research submersible observer on more than 30 dives: ALVIN (Galapagos Rift, 21°N and 11°N on the East Pacific Rise, Guaymas Basin, Loihi Seamount), MAKALI'I (Puna Rift Zone, Hawaii and Oahu Hawaii coastal waters), PISCES V (Loihi Seamount, Hawaii)


Honors & Awards

B.A. degree, Magna cum laude, State University College at Buffalo, New York, December 1971

American-Scandinavian Foundation Fellowship, Awarded for study in Aarhus, Denmark, June 1976

Recipient, Eckart Dissertation Prize, University of California, Scripps Institution of Oceanography, 1979

H. Burr Steinbach Visiting Scholar, MIT-WHOI Joint Program, July 1982, 2002

Recipient, Presidential Young Investigator Award, White House and National Science Foundation, 1984-1989

Recipient, Board of Regents Excellence in Research Award (Junior Faculty), University of Hawaii, 1985

Recipient, Honolulu Chapter Achievement Rewards for College Scientists (ARCS) Organization "Scientist of the Year" Award, Honolulu, Hawaii, May 1986

Recipient, Ian Morris Distinguished Scholar Award, Horn Point Environmental Laboratory, University of Maryland, Cambridge, MD, November 1993

Recipient, Board of Regents Excellence in Research Award (Senior Faculty), University of Hawaii, 1994

Designated one of the University of Hawaii's "ninety fabulous faculty," 1997, on the occasion of their 90th anniversary

Recipient, G. Evelyn Hutchinson Medal, American Society for Limnology and Oceanography, 1998, for leadership in the fields of methods development, microbial ecology, molecular ecology and biogeochemistry, for analysis of whole water ecosystems in the Pacific and Antarctic oceans, and for exemplary teaching, mentoring and citizenship

Elected to Fellowship in the American Geophysical Union, Jan 1999, for contributions and leadership in microbial ecology, molecular ecology and biochemistry, and for advancing our understanding of the relationship between the microbial community structure and biogeochemical cycles

Recipient, A. G. Huntsman Medal, for excellence in marine science, Royal Society of Canada, 2001

Distinguished Lecturer, 9th Annual W.S. Jardetzky Lecture, "A sea of change: Decade-scale biogeochemical variability in the North Pacific subtropical gyre,"" Lamont-Doherty Earth Observatory, February 2002

Designated a "Highly Cited Researcher" by the Institute for Scientific Information (ISIHighlyCited.com) in the category of Plant & Animal Science, March 2002

Recipient, American Geophysical Union Citation for Excellence in Referring, Geophysical Research Letters, Dec 2003

Recipient, Gordon and Betty Moore Foundation Investigator in Marine Microbiology, May 2004-2013; 2013-present.

Recipient, Henry Bryant Bigelow Medal in Oceanography, Woods Hole Oceanographic Institution, October 2004, for "contributions to microbial oceanography, especially the development and leadership of long-term, integrated studies of chemical, physical and biological variations in oceanic environments"

Recipient, Distinguished Research Scientist of the Year award, Hawaii Academy of Sciences, August 2005

Designated Chancellor's Distinguished Lecturer, Louisiana State University, Baton Rouge, LA, September 2005

Designated David Packard Distinguished Lecturer and Recipient of the David Packard Medal in Oceanography, Monterey Bay Aquarium Research Institute, November 2005

Elected to the U.S. National Academy of Sciences, April 2006, citation reads "Karl is a microbial oceanographer whose research has focused on the ecology of microorganisms. By integrating observations and measurements at scales ranging from cellular to oceanic, Karl has led the development of a quantitative understanding of the marine carbon cycle and global biogeochemistry."

Elected to Fellowship in the American Academy of Microbiology in recognition of "outstanding contributions to the science and profession of microbiology", May 2006

Summer Research Fellow, Harris Manchester College, Oxford University, UK, July 2009

Co-recipient of the National Academy of Sciences Cozzarelli Prize for best paper of 2009 in areas of Physical Science and Mathematics (Dore et al. 2009, PNAS)

Honorary Doctor of Science degree, University of Chicago, citation reads "Oceanographer and microbiologist, and a leader in deciphering the complexity of chemical and biological feedbacks in the oceans, whose brilliance and scholarship continue to revolutionize our understanding of marine biogeochemistry", June 2010

Designated an inaugural Kyo-Ya International / UH Sea Grant Fellow in sustainable coastal tourism,February 2011

Recipient, Alexander Agassiz Medal, National Academy of Sciences, for "leadership in establishing multi-disciplinary ocean-observing systems, for decadal regime shifts in pelagic ecosystems, and for paradigm-shifting insights on biogeochemical cycles in the ocean", April 2013

Inaugural recipient, Victor and Peggy Brandstrom Pavel Endowed Chair in Ocean and Earth Science and Technology, University of Hawaii, February 2014.

Designated the 15th Annual Roger Revelle Commemorative Lecturer, "The Contemporary Challenge of the Sea: Science, Society and Sustainability," Ocean Studies Board of the National Academies, Washington, D.C., March 2014.

Elected to the American Academy of Arts and Sciences, April 2015

Recipient, DuPont Industrial Biosciences Award in Applied and Environmental Microbiology, American Society for Microbiology, June 2015

Recipient, Balzan Prize for Oceanography, November 2015, citation reads "For his fundamental contributions to the understanding of the role and immense importance of microorganisms in the ocean, and of how microorganisms and phytoplankton control the oceanic carbon, nitrogen and iron cycles, work that has yielded significant insights into global change"


Editorial Board Appointments & Related Resposibilities

Applied and Environmental Microbiology (Jan 1980 - Dec 1982; reappointed for 2nd term Jan 1983 - Dec 1985; reappointed for 3rd term Jan 1985 - Dec 1988; reappointed for 4th term Jan 1989 - Dec 1994)

Bacteria in Nature: A treatise on the interactions of bacteria and their habitats (Feb 1981 Dec 1985)

Microbial Ecology (Jan 1990 - Dec 1992)

Deep-Sea Research, Guest Editor, "Research on Antarctic Coastal Ecosystem Rates" (Aug/Sept 1991)

"Microbiology of Deep-Sea Hydrothermal Vents," Editor, CRC Press, Inc. (Mar 1995)

Deep-Sea Research, Guest Editor (with A. Michaels), "Oceanic Time-Series" (Mar/Apr 1996)

Aquatic Microbial Ecology, Editorial Advisor (May 1995 - Dec 1996); Subject Editor (Jan 1997 - Dec 2003); Review Editor (Jan 2004-2006)

Ecosystems, Editorial Board (Jan 1999 - 2007)

Deep-Sea Research, Guest co-Editor (with D. Siegel and A. Michaels), "Interpretations of Open Ocean Biogeochemical Processes at the U.S. JGOFS Bermuda and Hawaii Time-series Stations" (Aug - Sept 2001)

Biogeosciences, Editorial Board (Jan 2004 - 2007)

Annual Review of Marine Science, Editorial Board member (2006 - 2013)

Proceedings of the National Academy of Sciences of the United States in section on Environmental Sciences and Ecology (2007 - present)

Encyclopedia of Biodiversity, Second Edition (2013) 7-volume set; S. A. Levin, Executive Edition, Editorial Board Member (2011 - 2013)

Biogeochemistry, Second Edition (2013), Co-editor with W. H. Schlesinger, volume 10 of Treatise on Geochemistry (H. D. Holland and K. K. Turekian, Executive Editors)


Membership in Professional Societies

American Society of Limnology and Oceanography
American Society for Microbiology (and Hawaii Branch)
American Geophysical Union
National Society for Sigma Xi (and Hawaii Branch)
The Oceanography Society
Hawaii Academy of Science


Reviewer For

American Chemical Society, American Chemical Society (Advances in Chemistry Series), American Chemical Society (Petroleum Research Fund), American Naturalist, Antarctic Science, Applied and Environmental Microbiology, Aquatic Microbial Ecology, Archiv fur Hydrobiologia, Australian Research Grant Scheme, Biogeochemistry, Biological Oceanography, Bulletin of Marine Science, Canadian Journal of Fisheries and Aquatic Sciences, Canadian Journal of Microbiology, Comparative Biochemistry and Physiology, Continental Shelf Research, Deep-Sea Research, Earth and Planetary Science Letters, Ecological Monographs, Ecology, Ecosystems, Environmental Microbiology, Environmental Pollution, Environmental Science and Technology, Estuarine and Coastal Shelf Science, Frontiers in Microbiology, Geochimica et Cosmochimica Acta, Geophysical Research Letters, Global Biogeochemical Cycles, Hawaii Undersea Research Laboratory, Hydrobiologia, ISME Journal, Israel Science Foundation, Journal of Experimental Marine Biology and Ecology, Journal of Geophysical Research, Journal of Marine Research, Journal of Phycology, Journal of Plankton Research, Limnology and Oceanography, MacArthur Foundation, Marine Biology, Marine Chemistry, Marine Ecology Progress Series, Marine Environmental Research, Marine and Freshwater Research, Marine Geology, Microbial Ecology, Molecular Ecology, National Fund for Science and Technology (FONDECYT, Chile)National Geographic Society, National Ocean Partnership Program (NOPP), National Parks Service, National Science Foundation (Biological Oceanography, Ecology, Long-term Ecological Research, Marine Chemistry, Marine Geology and Geophysics, Office of Facilities and Support, Polar Biology and Medicine, PYI, and Systematics programs), Natural Environment Research Council of the United Kingdom, Natural Sciences and Engineering Research Council of Canada (NSERC), Nature, Nature Geoscience, NOAA-Climate and Global Change, NOAA-National Undersea Research Program, NOAA-Sea Grant, Oceanologica Acta, Office of Naval Research, Paleoceanography, PLoS ONE, PLoS Biology, Polar Biology, Proceedings of the National Academy of Sciences, Progress in Oceanography, Schmidt Ocean Institute, Science, Scientia Marina, Talanta, Trends in Microbiology, U.S. Department of Energy, W. M. Keck Foundation


University, State & Community Service

Volunteer math tutor, Hawaii Correctional Facility (1978-1981)

Judge, State of Hawaii Science and Engineering Fair (1978-1992)

Member, Department of Oceanography Faculty Search Committee (1979-1986); Chairman (1985-1986)

Member, review panel for Office of Oceanographic Facilities and Support, National Science Foundation (1980)

Vice President, Hawaii Branch American Society for Microbiology (1981-1982)

Member, University of Hawaii Faculty Senate (1982-1983)

Guest Scientist, "Science Hawaii" radio interview program, October 23, 1983

Member, Department of Oceanography Personnel Committee (1980-1984; Chairman, 1982-1983)

Member, State of Hawaii Committee on Radiological Safety (1983-1984)

Chairman-elect, Division of Aquatic and Terrestrial Microbiology, American Society of Microbiology (1984-1985)

Chairman, Division of Aquatic and Terrestrial Microbiology, American Society for Microbiology (1985-1986)

Member, Annual Meeting Planning Committee, American Society for Microbiology (1985-1986)

Member, University of Hawaii Educational Policy and Planning Committee (1984-1985)

Member, Advisory Committee for Ocean Sciences, National Science Foundation (1984-1987)

Member, Marine Council, University of Hawaii (1984-1988) and acting alternate Chairman (1986)

Member, Marine Science Building Space Committee (1984-1988)

Member, Hawaii Institute of Geophysics Council (1984-1986)

Member, Personnel Committee, Hawaii Institute of Geophysics (1984-1986)

Member, Scientific Committee on Ocean Research (SCOR) working group 71, "Particulate Biogeochemical Processes" (1985-1989)

Chairman, Department Curriculum Committee, University of Hawaii (1985-1986)

Chairman, University of Hawaii search committee for position of Vice President for Academic Affairs (1986)

Member, review panel for Geosciences Directorate PYI program, National Science Foundation (1986)

Member, NSF Global Ocean Flux subcommittee on "Transformations in the Ocean Interior" (1986-1988)

Member, NSF Global Ocean Flux subcommittee on "North Atlantic Plan" (1987-1988)

Member, committee on Developmental Approaches in Science and Health for Elementary Science Program, College of Education, University of Hawaii (1987-1992)

Member, NSF Biological Oceanography review panel, Washington, D.C. (December 1987)

Member, NSF RIDGE working group on "Seafloor Experimentation" (November 1987-1988)

Member, Fujio Matsuda Scholars and Fellows Program Selection Committee (1988)

Member, University of Hawaii Faculty Senate (May 1988-1990)

Member, NSF Global Ocean Flux subcommittee on "Sediment Trap Technology and Sampling" Mississippi (November 1988)

Chairman, Department of Oceanography Personnel Committee (1989-1990)

Member, UH Tenure and Promotion Review Committee (1989-1990, 2001-2002, 2002-2003, 2003-2004)

Member, Department of Oceanography Personnel Committee (1990-1991)

Member, SOEST MSB Space Committee (1990-1991)

Chairman, University of Hawaii evaluation committee for "Excellence in Research Awards" (December 1990)

Member, US-JGOFS subcommittee on "Southern Ocean Process Studies" (1990-1992)

Member, JGOFS task force on "Oceanic Time-Series Measurements" (1990-1992)

Member, UNOLS Advisory Council (1990-1996)

Member, SOEST Ship Advisory Committee (1990-present)

Member, steering committee for a NSF-sponsored workshop "Analysis and Characterization of Marine Particles" (1990-1991)

Member, NOAA Ocean-Atmosphere Carbon Flux Working Group (1990-1997)

Member, University of Hawaii Program Review Team, Genetics and Molecular Biology Department (1991)

Member, ad hoc Committee on Graduate Education in Life Sciences, University of Hawaii (1991)

Member, UNOLS Council Nominating Committee (1991)

Member, Journal of Geophysical Research (JGR) - Oceans Editor Search Committee (1991)

Member, Hawaii Chapter Sigma Xi Executive Committee (1991-1992)

Councilor, Sigma Xi Scientific Society, Hawaii Branch (1991-1992)

Member, SOEST Research Council (1992-1993)

Member, University of Hawaii Ethics Committee (1993-1995); Chairperson (1995-1998)

Member, University of Hawaii Graduate Council (1993-1996)

Member, American Society for Limnology and Oceanography Committee on Education and Human Resources (1993-1998)

Member, SOEST Faculty Personnel Committee (1993)

Member, University of Hawaii ad hoc Selection Committee for Award in Teaching Excellence (1994)

Founder and charter member, University of Hawaii Registered Independent Organization (RIO) "U.H.-CARES" (Colleagues Against Research EarmarkS) (1994)

Member, Selection Committee for American Society for Limnology and Oceanography Lifetime Achievement Award (1994)

Member, Submersible Research Panel, U.S.-Japan Cooperative Program in Natural Resources (1994-1997)

Member, National Science Foundation - Office of Polar Programs / Antarctic Support Associates Antarctic Research Vessel Oversight Committee (1994-1996); Chairperson (1997-2000)

Member, National Science Foundation - Office of Polar Programs Advisory Committee (1994- 1997)

Member, Selection Committee for SOEST Young Investigators (1995, 1996, 1997)

Member, University of Hawaii Committee to Assess Research in the Life Sciences (1995)

Member, RIDGE Observatory Oversight Committee (1995-1997)

Member, US-JGOFS "Executive-plus" Committee (1995-2000)

Member, The Oceanography Society Membership Committee (1996-1999)

Member, Ocean Sciences Section Executive Committee, American Geophysical Union (1996- 1998)

Member, SOEST Research Council (1996-2000)

Member, NSF Life in Extreme Environments (LExEn) Advisory Committee (1996-1999)

Member, SOEST Ad hoc Research Vessel Replacement Committee (1996-1998)

Member, Search Committee for Director of Hawaii Institute of Marine Biology (1996-1997)

Participant, "Passport to Knowledge" Live from Antarctica-2 public television broadcast (Feb 1997)

Member, University of Hawaii Manoa Perspectives Committee (1997)

Member, NSF-LTER Land/Ocean Margin ecosystems panel (Dec 1997)

Participant and Sponsor, NSF-Teachers Experiencing Antarctica (TEA) program (1997)

Member, University of Hawaii Committee on the Future of the UH Marine Center (1997-1999)

Member, University of Hawaii Western Association of Schools and College Task Force (1997)

Chairman, Department of Oceanography Personnel Committee (1998-1999)

Member, Institute for Astronomy Director Search Committee (1999-2000)

Co-chair (with Robin Bell), NSF-sponsored workshop on Lake Vostok, Antarctica (Nov 1998)

Co-chair (with Anthony Michaels), SCOPE Committee on Nitrogen Fixation in the Worlds Oceans (1998-2000)

Member, NSF Ocean Sciences Synthesis Committee (1998-2000)

Member, JGOFS Equatorial Pacific Synthesis and Modeling Group (1998-2000)

Mamber, American Society of Limnology and Oceanography Public Policy Committee (1998-2003; chair 1998-2000)

Member, AGU ad hoc Committee on Recognizing and Encouraging the Contributions of the Biological Sciences to the Study of the Earth [this committee, chaired by D. McKnight, led to the establishment of the new Biogeosciences section within AGU in 2000] (1998-2000)

Member, University of Hawaii's Distinguished Lecture Series Selection Committee (1999-2007)

Member, ad hoc Ocean Carbon Working Group of Ocean Carbon Transformations, Exchanges and Transport (OCTET) program (1999-2002)

Member, The Oceanographic Society Council (January 2000-December 2002)

Member, Department of Geology and Geophysics Geobiology Faculty Search Committee (March 2000)

Member, Partnership for Observation of the Global Ocean (POGO) oceanographic time-series working group, R. Weller / U. Send, co-chairs (2001 - present)

Member, AGU Fellows Selection Committee (2001-2004)

Member, National Research Council of the National Academies - Polar Research Board (2002-2005)

Member, Carbon Cycle Science Plan ocean implementation group, S. Doney, Chair (2002-2005)

Member, NSF-sponsored committee on Scientific Cabled Observatories for Time Series (SCOTS), T. Dickey / S. Glenn, co-chairs (2002-2006)

Judge, Hawaii Regional Ocean Sciences Bowl - National Ocean Sciences Bowl (22 February 2003)

Member, Organizing Committee for JGOFS Open Sciences Conference, Washington, D.C. (May 2003)

Co-chair (with G. M. Purdy), NSF-sponsored RECONN workshop on regional cabled observatories in the sea (http://www.geo-prose.com/cabled_wksp/) (2003)

Member, Committee on a Science Plan for the North Pacific Research Board, National Research Council of the National Acedemies (2003-2005)

Judge, Hawaii Academy of Science sponsored Pacific Symposium for Science and Sustainability, University of Hawaii (February 2004)

Member, Organizing Committee for ASLO/TOS Ocean Research Conference, Honolulu, HI (2004)

Member, MIT-WHOI Joint Program External Review Committee, Boston / Woods Hole, MA (June 2004)

Invited participant, International Polar Year 2007-2008 implementation workshop, National Academy of Sciences, Washington, D.C. (July 2004)

Member, Monterey Bay Aquarium Research Institute (MBARI) External Review Visiting Committee (January 2005)

Chair, Open Ocean and Coastal Systems Working Group, Alfred P. Sloan Foundation-sponsored International Census of Marine Microbes (ICoMM), 2005-2010

Member, SOEST Dean's Executive Committee (2006-present)

Member, President's Commission on Ocean, Coastal and Earth System Futures, Oregon State University (March 2007)

Member, President Search Advisory Committee, UH system (2008-2009)

Chair, NSF "Blue Ribbon" committee on the Ocean Observatory Initiative (OOI) program, Arlington, VA (2009)

Member selection committee for the Robert L. and Bettie P. Cody Award in Ocean Sciences, Scripps Institution of Oceanography, 2009-2012

Judge, Hawaii Academy of Sciences Pacific Symposium for Science and Sustainability, Honolulu, HI (December 2010)

Co-chair and coordinating lead author (CLA), Chapter 6 working group II of the Intergovernmental Panel on Climate Change (IPCC) 5th assessment (January 2011-present)

Co-organizer, participant and speaker, University of Hawaii Foundation-sponsored "An Evening of Exploration," UH Marine Center and R/V Kilo Moana (September 2011)

Member, Ad hoc NSF-GEO committee on ocean drilling, Arlington, VA (November-December 2011)

Judge, Hawaii Academy of Sciences Pacific Symposium for Science and Sustainability, Honolulu HI (December 2011)

Member, University of Hawaii at Manoa Tenure and Promotion Review Committee (2011-2012)

Member, Chancellor Search Advisory Committee, University of Hawaii at Manoa (December 2011-March 2012)

Member, Fellows selection committee, The Oceanography Society (January 2012)

Review Editor, National Research Council report "Future science opportunities in Antarctica and the Southern Ocean," (March 2012)

Member, selection committee, Gilbert Morgan Smith Medal for excellence in research on marine or freshwater algae, National Academy of Sciences (2012 - present)

Committee Member, University of Hawaii at Manoa's "cluster hire" in sustainability (2012)

Member, Ewing Medal selection committee, American Geophysical Union (2013 - present)

Member, Gulf of Mexico Research Program Committee, National Academy of Sciences (2013 - 2014)

Member, Report Review Committee, The National Academies (2015-present)


Published Presentations & Abstracts

  1. 1974 KARL, D. M. and P. A. LAROCK. Adenosine triphosphate measurements: Methodology and instrumentation for water, soils and marine sediments. American Society for Microbiology Abstract G-203.

  2. 1974 KARL, D. M. and P. A. LAROCK. ATP in marine sediments and sand. American Society for Limnology and Oceanography Annual Meeting.

  3. 1974 KARL, D. M., J. W. MORSE, R. SCOTT, M. SCOTT and L. W. BUTLER. ATP and DOC measurements in the Mid-Atlantic. EOS, Transactions of the American Geophysical Union 55: 294.

  4. 1974 MORSE, J. W., D. M. KARL, R. SCOTT, M. SCOTT and L. W. BUTLER. pH, AT, Si, PO4, and DOC in Atlantic interstitial water. EOS, Transactions of the American Geophysical Union 55: 294.

  5. 1976 CARLUCCI, A. F. and D. M. KARL. Microbial biomass and activity in the sea. 57th Meeting Western Society of Naturalists, California State University, Fullerton, CA.

  6. 1977 KARL, D. M. ATP and energy charge measurements in the Black Sea. American Society for Microbiology Abstract N-6.

  7. 1978 AZAM, F., D. M. KARL, O. HOLM-HANSEN, L. CAMPBELL, A. F. CARLUCCI and P. M. WILLIAMS. Occurrence and metabolic activity of living organisms under the Ross Ice Shelf. EOS, Transactions of the American Geophysical Union 59: 308.

  8. 1978 HODSON, R. E., F. AZAM, O. HOLM-HANSEN, D. M. KARL and A. F. CARLUCCI. Bacterially mediated turnover of dissolved organic matter in Antarctic seawater. American Society for Microbiology Abstract N-69.

  9. 1979 KARL, D. M. Microbial growth measurements in the ocean by rates of stable RNA synthesis. American Society for Microbiology Abstract N(H)-17.

  10. 1980 KARL, D. M., C. D. WINN, H. W. JANNASCH and C. O. WIRSEN. Deep-sea microbial activities at the Galapagos Rift hydrothermal vents. American Society for Microbiology Abstract.

  11. 1980 WINN, C. D., D. C. L. WONG and D. M. KARL. Microbial RNA synthesis in the marine environment. American Society for Microbiology Abstract.

  12. 1980 FELLOWS, D., D. KARL and G. KNAUER. Vertical distribution, production and flux of adenosine triphosphate in the Northeast Pacific Ocean. American Society for Limnology and Oceanography Annual Meeting, Seattle, WA.

  13. 1981 BLACKINTON, G. (and 17 others). The muon string - An undersea cosmic ray experiment. Seventeenth International Cosmic Ray Conference, Paris, France.

  14. 1982 KNAUER, G. A., J. H. MARTIN, C. HUNTER and D. KARL. Short-term in situ effects of selected preservatives on sediment trap material. EOS, Transactions of the American Geophysical Union 63: 959.

  15. 1982 KARL, D. M. and G. A. KNAUER. Biological "hot spots" in the intermediate depths of the Northeast Pacific Ocean during VERTEX I. EOS, Transactions of the American Geophysical Union 63: 959.

  16. 1982 BURNS, D. M. and D. M. KARL. Nitrogen assimilation via glutamine synthetase in marine phytoplankton. EOS, Transactions of the American Geophysical Union 63: 941.

  17. 1983 KARL, D. M., D. J. BURNS and K. ORRETT. Biomass and in situ growth characteristics of deep sea hydrothermal vent microbial communities. American Society for Microbiology Abstract.

  18. 1983 EPP, D. E., G. MCMURTRY and D. M. KARL. "Project Pele" - Studies of the submarine East Rift Zone of Kilauea. Proceedings of the 7th Big Island Science conference, Hilo, Hawaii.

  19. 1983 KARL, D. M. The potential use of manned submersibles and remotely-operated vehicles for microbiological research in the South Pacific. Abstract of the STAR submersible workshop. Souva, Fiji.

  20. 1984 KNAUER, G. A., J. H. MARTIN and D. KARL. Sediment trap derived estimates of new production in oligotrophic North Pacific Ocean waters -- Additional evidence for a two- layer euphotic zone and high rates of primary production. EOS, Transactions of the American Geophysical Union.

  21. 1984 KARL, D. M. Productivity of microbial populations discharged from deep-sea hydrothermal vents. EOS, Transactions of the American Geophysical Union.

  22. 1984 KARL, D. M. VERTEX: Microbiology of suspended and sediment trap collected particles. EOS, Transactions of the American Geophysical Union 65: 923.

  23. 1984 KNAUER, G. A., J. H. MARTIN and D. M. KARL. Further implications of a two- layered euphotic zone in oceanic waters. EOS, Transactions of the American Geophysical Union 65: 923.

  24. 1985 KARL, D. M. and P. BOSSARD. Measurement and interpretation of ATP and adenine nucleotide pool turnover measurements. American Society for Microbiology Annual Meeting.

  25. 1985 WINN, C. D. and D. M. KARL. Microbiology of geographically distinct hydrothermal systems: Galapagos Rift, East Pacific Rise and Juan de Fuca Ridge. American Society for Microbiology Annual Meeting.

  26. 1985 RAU, G., D. KARL and R. CARNEY. Carbon metabolism may cause C-14 depletion in deep-sea biomass/organics. EOS, Transactions of the American Geophysical Union 66: 940.

  27. 1985 TAYLOR, G. T., D. M. KARL and M. L. PACE. Impact of bacteria and zooflagellates on the composition of sinking particles: An in situ VERTEX experiment. EOS, Transactions of the American Geophysical Union 66: 1292.

  28. 1985 KARL, D. M. Specific growth rates of natural microbial populations. EOS, Transactions of the American Geophysical Union 66: 1322.

  29. 1985 TILBROOK, B. D. and D. M. KARL. VERTEX: Methane biogeochemistry in oceanic waters. EOS, Transactions of the American Geophysical Union 66: 1291-1292.

  30. 1985 RAU, G. H., D. M. KARL, D. J. DES MARAIS, G. A. KNAUER and J. MARTIN. 13C and 15N variations in sedimenting POM: Results from VERTEX 5. EOS, Transactions of the American Geophysical Union 66: 1291.

  31. 1985 WINN, C. D. and D. M. KARL. Diel nucleic acid synthesis rates and particulate DNA concentrations in epipelagic oligotrophic seawaters. EOS, Transactions of the American Geophysical Union 66: 1288-1289.

  32. 1986 KARL, D. M., C. O. WIRSEN and H. W. JANNASCH. Microbiology of high temperature hydrothermal vents. American Society for Microbiology Abstract.

  33. 1986 DITULLIO, G. R., E. A. LAWS, B. D. TILBROOK and D. M. KARL. Production and fluxes of carbon and nitrogen during ADIOS I. EOS, Transactions of the American Geophysical Union 67: 899.

  34. 1986 PACE, M. L., G. A. KNAUER, D. M. KARL and J. H. MARTIN. Vertical flux of particulate organic matter in the Northeast Pacific: Relationship with depth, primary production and new production. EOS, Transactions of the American Geophysical Union 67: 1036.

  35. 1986 BERMAN, T., M. NAWROCKI, G. T. TAYLOR and D. M. KARL. Nutrient flux between bacterial, bacterivorous nanoflagellates (or nanociliates) and algae. Abstract of the Third International Workshop on the Measurement of Microbial Activities in the Carbon Cycle in Aquatic Ecosystems.

  36. 1987 WINN, C. D. and D. M. KARL. Microbiology of high-temperature hydrothermal vents and their effluent plumes. Abstract AAAS Annual Meeting, Chicago.

  37. 1987 KARL, D. M. The coupling between epipelagic and mesopelagic zone microbial processes. American Society for Limnology and Oceanography Annual Meeting, Madison, WI.

  38. 1987 NIILER, P., D. M. KARL, M. HUNTLEY and O. HOLM-HANSEN. Research on Antarctic coastal ecosystem rates (RACER): An interdisciplinary field study. EOS, Transactions of the American Geophysical Union 68: 1685.

  39. 1987 TIEN, G., M. D. BAILIFF, P. HABERSTROH, D. JONES, M. NAWROCKI, G. T. TAYLOR, B. TILBROOK and D. KARL. Microbial dynamics of Antarctic coastal ecosystems during the spring bloom: Results from the RACER experiment. EOS, Transactions of the American Geophysical Union 68: 1686.

  40. 1987 BAILIFF, M. D. and D. M. KARL. Dissolved DNA concentrations in the Bransfield Strait during spring bloom conditions. EOS, Transactions of the American Geophysical Union 68: 1686.

  41. 1987 KARL, D. M., G. TIEN and B. TILBROOK. Spatial and temporal changes in the downward flux of biogenic matter in the western Bransfield Strait: Results from RACER. EOS, Transactions of the American Geophysical Union 68: 1686.

  42. 1987 TILBROOK, B. and D. M. KARL. Changes in surface water carbon dioxide in the Bransfield Strait, Antarctica. EOS, Transactions of the American Geophysical Union 68: 1686.

  43. 1987 ORESLAND, V., M. HUNTLEY, P. NIILER, O. HOLM-HANSEN and D. M. KARL. RACER: Dynamics of the Antarctic peninsula coastal ecosystem: An overview. EOS, Transactions of the American Geophysical Union 68: 1687.

  44. 1987 MCMURTRY, G. M., D. M. KARL, B. TILBROOK and P. SEDWICK. Chemistry and microbiology of Loihi Seamount hydrothermal vent fields. EOS, Transactions of the American Geophysical Union 68: 1553.

  45. 1988 BIRD, D. F. and D. M. KARL. Microbiological stratification within oxygenated, suboxic and sulfidic zones of the Black Sea. EOS, Transactions of the American Geophysical Union 69: 1241.

  46. 1988 KARL, D. M. and G. A. KNAUER. Microbial production and particle flux in the epipelagic zone of the Black Sea. EOS, Transactions of the American Geophysical Union 69: 1241.

  47. 1988 HABERSTROH, P. R. and D. M. KARL. Dissolved free amino acids and base volatile amines in Guaymas Basin hydrothermal vent habitats. EOS, Transactions of the American Geophysical Union 69: 1109- 1110.

  48. 1988 KNAUER, G. A., D. G. REDALJE, W. G. HARRISON and D. M. KARL. Temporal variations in new production at the N.E. Pacific Ocean VERTEX time series site. EOS, Transactions of the American Geophysical Union 69: 1081-1082.

  49. 1989 REDALJE, D. G., G. A. KNAUER and D. M. KARL. Seasonal variation in phytoplankton dynamics at the VERTEX station. The Oceanography Society Meeting, Monterey, CA.

  50. 1989 WINN, C. D., S. CHISWELL, D. KARL and R. LUKAS. Long time-series research in the central Pacific. The Oceanography Society Meeting, Monterey, CA.

  51. 1989 KARL, D. M. Microbiological studies of Loihi Seamount, a deep-sea, hot-spot volcano. The 5th International Symposium on Microbial Ecology, Kyoto, Japan.

  52. 1989 MCMURTRY, G. M., P. N. SEDWICK, D. KARL, P. STOFFERS and J.-L. CHEMINEE. Comparative geochemistry of hotspot hydrothermal systems on Loihi, Teahitia and Macdonald seamounts. EOS, Transactions of the American Geophysical Union 70: 1397- 1398.

  53. 1990 BRITTAIN, A. M. and D. M. KARL. Evidence for thymidine catabolism in natural microbial assemblages. EOS, Transactions of the American Geophysical Union 71: 110.

  54. 1990 KARL, D., R. LETELIER, D. BIRD, D. HEBEL, C. SABINE and C. WINN. An Oscillatoria bloom in the oligotrophic North Pacific Ocean near the GOFS station ALOHA. EOS, Transactions of the American Geophysical Union 71: 177-178.

  55. 1990 WINN, C. D., D. HEBEL, R. LETELIER, D. BIRD and D. KARL. Variability in biogeochemical fluxes in the oligotrophic central Pacific: Results of the Hawaii Ocean Time- Series Program. EOS, Transactions of the American Geophysical Union 71: 190.

  56. 1991 KARL, D. M. The Hawaii Ocean Time-Series Program: Carbon Production and Particle Flux. The Oceanography Society Meeting, St. Petersburg, FL.

  57. 1991 LETELIER, R., D. KARL, R. BIDIGARE, J. CHRISTIAN, J. DORE, D. HEBEL and C. WINN. Temporal variability of phytoplankton pigments at the U.S.-JGOFS station ALOHA (22°45'N, 158°W). EOS, Transactions of the American Geophysical Union 72: 74.

  58. 1991 WINN, C., C. SABINE, D. HEBEL, F. MACKENZIE and D. M. KARL. Inorganic carbon system dynamics in the central Pacific Ocean: Results of the Hawaii Ocean Time-series program. EOS, Transactions of the American Geophysical Union 72: 70.

  59. 1992 KARL, D., C. WINN, D. HEBEL, R. LETELIER, J. DORE and J. CHRISTIAN. The U.S.-JGOFS Hawaii Ocean Time-Series (HOT) Program. American Society for Limnology and Oceanography Aquatic Sciences Meeting, Santa Fe, NM.

  60. 1992 BAINES, S. B., M. L. PACE and D. M. KARL. Why does the relationship between sedimentation and primary production differ between lakes and the ocean? American Society of Limnology and Oceanography Aquatic Sciences Meeting, Santa Fe, NM.

  61. 1992 KARL, D. M. Bacterial-algal interactions in Antarctic coastal ecosystems. Sixth International Symposium on Microbial Ecology (ISME-6), abstract S1-2-4 (p. 21). Barcelona, Spain.

  62. 1992 BIRD, D. F. and D. M. KARL. Bacterial-protozoan interactions during a spring bloom in the Southern Ocean. Sixth International Symposium on Microbial Ecology (ISME-6), abstract C4-3-8 (p. 124). Barcelona, Spain.

  63. 1992 TUPAS, L. M., B. N. POPP and D. M. KARL. Dissolved organic carbon in oligotrophic waters: experiments on sample preservation, storage and analysis. EOS, Transactions of the American Geophysical Union 73: 287.

  64. 1993 WINN, C. D., C. J. CARRILLO, F. T. MACKENZIE and D. M. KARL. Variability in the inorganic carbon system parameters in the North Pacific subtropical gyre. Abstract of The Oceanography Society Annual Meeting, Seattle, Washington, April 1993.

  65. 1993 YANAGI, K. and D. M. KARL. Note on the fractional determination of TDP in seawater by an UV- irradiation method combined with the MAGIC procedure. Abstract of the Oceanography Society of Japan annual meeting, Tokyo, Japan, April 1993.

  66. 1993 MOYER, C. L., F. C. DOBBS and D. M. KARL. Estimation of biodiversity and community structure through RFLP distribution analysis of 16S rRNA genes from a bacterial mat at an active, hydrothermal vent system, Loihi Seamount, Hawaii. Abstract of the American Society for Microbiology meeting, Honolulu, Hawaii, April 1993.

  67. 1993 MOYER, C. L., L. CAMPBELL, D. M. KARL and J. WILCOX. Restriction fragment length polymorphism (RFLP) and DNA sequence analysis of PCR-generated clones to assess diversity of picoeukaryotic algae in the subtropical central North Pacific Ocean (Station ALOHA). Abstract of the American Society of Limnology and Oceanography 1993 Annual Meeting, Edmonton, Alberta, Canada.

  68. 1993 CHRISTIAN, J. R. and D. M. KARL. Bacterial exoenzymes in marine waters: Implications for global biogeochemical cycles. Abstract of the American Society of Limnology and Oceanography 1993 Annual Meeting, Edmonton, Alberta, Canada.

  69. 1994 CAMPBELL, L., C. D. WINN, R. LETELIER, D. HEBEL and D. M. KARL. Temporal variability in phytoplankton fluorescence at Station ALOHA, p. 100. Abstract of the American Society of Limnology and Oceanography 1994 Ocean Sciences Meeting, San Diego, California.

  70. 1994 WINN, C., F. T. MACKENZIE, C. CARRILLO, T. WESTBY and D. M. KARL. Air-sea carbon dioxide exchange at Station ALOHA, p. 112. Abstract of the American Society of Limnology and Oceanography 1994 Ocean Sciences Meeting, San Diego, California.

  71. 1994 BIRD, D. F. and D. M. KARL. Viral abundances in the water column and in sea ice near the Antarctic Peninsula during spring 1992, p. 201. Abstract of the American Society of Limnology and Oceanography 1994 Ocean Sciences Meeting, San Diego, California.

  72. 1994 HOT Program P.I.s, staff and students. HOT: A time-series study of carbon cycling in the oligotrophic North Pacific, p. 24. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  73. 1994 WINN, C. D., F. T. MACKENZIE, C. CARRILLO and D. M. KARL. Air-sea carbon dioxide exchange at Station ALOHA, p. 58. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  74. 1994 BIDIGARE, R. R., L. CAMPBELL, M. E. ONDRUSEK, R. LETELIER, D. VAULOT and D. M. KARL. Phytoplankton community structure at station ALOHA, p. 58. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  75. 1994 HOT Program P.I.s, staff and students. The Hawaii Ocean Time-series (HOT) program: The first five years, p. 59. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  76. 1994 LETELIER, R. M., J. DORE, C. D. WINN and D. M. KARL. Temporal variations in photosynthetic carbon assimilation efficiencies at Station ALOHA (22°45'N; 158°00'W), p. 60. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  77. 1994 DORE, J. E. and D. M. KARL. Nitrite distributions and dynamics at Station ALOHA, p. 60. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  78. 1994 FUJIEKI, L. A., D. V. HEBEL, L. M. TUPAS and D. M. KARL. Hawaii Ocean Time-series Data Organization and Graphical System (HOT-DOGS), p. 61. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  79. 1994 HOULIHAN, T., J. E. DORE, L. TUPAS, D. V. HEBEL, G. TIEN and D. M. KARL. Freezing as a method of preservation for seawater dissolved nutrient and organic carbon samples, p. 62. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  80. 1994 HEBEL, D. V., F. P. CHAVEZ, K. R. BUCK, R. R. BIDIGARE, D. M. KARL, M. LATASA, M. E. ONDRUSEK, L. CAMPBELL and J. NEWTON. Do GF/F filters underestimate particulate chlorophyll a and primary production in the oligotrophic ocean?, p. 62. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  81. 1994 TUPAS, L. M., B. N. POPP, D. V. HEBEL, G. TIEN and D. M. KARL. Dissolved organic carbon measurements at Station ALOHA measured by high temperature catalytic oxidation: Characteristics and variation in the water column, p. 63. Abstract of The Oceanography Society Pacific Basin Meeting, Honolulu, Hawaii, July 1994.

  82. 1995 MICHAELS, A. F., D. KARL and A. H. KNAP. Insights on ocean variability from the JGOFS time- series stations. Abstract of The Oceanography Society Biennial Meeting, April 1995.

  83. 1995 MOYER, C. L., F. C. DOBBS and D. M. KARL. The molecular phylogeny of deep- sea hydrothermal vent Archaea. Abstract of the American Society for Microbiology Annual Meeting, Washington, D.C., May 1995.

  84. 1995 EMERSON, S., P. QUAY, L. TUPAS and D. KARL. Chemical tracers of productivity and repiration in the upper ocean at U.S. JGOFS Station ALOHA, Abstract of the 10th Anniversary JGOFS Science Conference, Villefranche, France, May 1995.

  85. 1995 MICHAELS, A. F., D. KARL and A. H. KNAP. Insights on ocean variability from the JGOFS time- series stations. Abstract of the 10th Anniversary JGOFS Science Conference, Villefranche, France, May 1995.

  86. 1995 WINN, C., D. SADLER and D. M. KARL. Carbon dioxide dynamics at the Hawaii JGOFS/WOCE time-series station. Abstract of the International Association for the Physical Sciences of the Oceans, Honolulu, Hawaii, August 1995.

  87. 1996 KARL, D. M. Alternation of N and P control of new and export production in the North Pacific gyre: A hypothesis based on the HOT program data set. Ocean Sciences Meeting, San Diego, CA, February 1996.

  88. 1996 CHRISTIAN, J. R., J. E. DORE and D. M. KARL. Mixing and nutrient fluxes at the US-JGOFS Station ALOHA (22.45°N, 158.00°W). Ocean Sciences Meeting, San Diego, CA, February 1996.

  89. 1996 HEBEL, D. V., D. M. KARL, J. R. CHRISTIAN, J. E. DORE, R. M. LETELIER, L. M. TUPAS and C. D. WINN. Seasonal and interannual variability in primary production and particle flux at Station ALOHA. Ocean Sciences Meeting, San Diego, CA, February 1996.

  90. 1996 SCHAREK, R., M. LATASA, D. M. KARL and R. R. BIDIGARE. Diatom abundance and vertical flux at the US-JGOFS/WOCE Station 'ALOHA' in the oligotrophic North Pacific gyre. Ocean Sciences Meeting, San Diego, CA, February 1996.

  91. 1996 TUPAS, L. M., M. P. SAMPSON and D. M. KARL. Stable nitrogen isotopic analysis of sinking particulate matter at the Hawaii Ocean Time-series site. Ocean Sciences Meeting, San Diego, CA, February 1996.

  92. 1997 BIRD, D. F., R. MARANGER and D. M. KARL. The importance of bacterial consumption by algae to marine systems. ASLO - Aquatic Sciences meeting, Santa Fe, NM, February 1997.

  93. 1998 LETELIER, R. M., M. R. ABBOTT, M. H. FREILICH, D. M. KARL, P. J. FLAMENT and R. LUKAS. Euphotic zone biogeochemical response to a wind-induced upwelling event in the North Pacific subtropical gyre. Ocean Sciences Meeting, San Diego, CA, February 1998.

  94. 1998 LETELIER, R. M. and D. M. KARL. The US-JGOFS Hawaii Ocean Time-series (HOT) program: What have we learned over the first decade? Ocean Sciences Meeting, San Diego, CA, February 1998.

  95. 1998 McMANUS, J., J. DYMOND, R. DUNBAR and D. M. KARL. Tracers of carbon export in the Southern Ocean. Ocean Sciences Meeting, San Diego, CA, February 1998.

  96. 1998 MOYER, C. L., J. M. TIEDJE, F. C. DOBBS and D. M. KARL. Diversity of deep-sea hydrothermal vent archaea from Loihi Seamount, Hawaii. Ocean Sciences Meeting, San Diego, CA, February 1998.

  97. 1998 KARL, D. The subtropical North Pacific: New views on an old ocean. Ocean Optics XIV Meeting, Kailua-Kona, HI, November 1998.

  98. 1998 ONDRUSEK, M. E., R. R. BIDIGARE, D. M. KARL and K. WATERS. Predictive models for estimating rates of primary production in the subtropical North Pacific Ocean. Ocean Optics XIV Meeting, Kailua-Kona, HI, November 1998.

  99. 1999 KARL, D. M., K. BJÖRKMAN, D. HEBEL, T. HOULIHAN and L. TUPAS. Seasonal and interannual variability in C-N-P stoichiometry of dissolved and particulate matter in the subtropical North Pacific Ocean. ASLO Aquatic Sciences meeting, Santa Fe, NM, February 1999.

  100. 1999 KARNER, M. B., L. T. TAYLOR, E. F. DeLONG and D. M. KARL. Bacterial and archaeal distributions at the Hawaii Ocean Time-series Station, ALOHA, in the North Pacific Ocean. ASLO Aquatic Sciences meeting, Santa Fe, NM, February 1999.

  101. 1999 KARL, D. M. The subtropical North Pacific: New views on an old ocean. JGOFS North Pacific Workshop & SEATS Planning Meeting, Taipei, Taiwan, March 1999.

  102. 1999 KARL, D. The search for life in extreme and unusual environments. Bioastronomy '99 meeting, Kohala Coast, Hawaii, August 1999.

  103. 1999 BELL, R. E. and D. M. KARL. Lake Vostok: A possible deep subglacial biosphere. American Geophysical Union Meeting, San Francisco, CA, December 1999.

  104. 1999 BIRD, D. F., D. M. KARL and E. F. DeLONG. Microbial dynamics and carbon flux in South Ocean habitats. American Zoologist 39: 2.

  105. 2000 BENITEZ-NELSON, C. R., D. M. KARL and K. O. BUESSELER. 234Th derived carbon export at Station ALOHA. Ocean Sciences Meeting, San Antonio, TX, January 2000.

  106. 2000 LETELIER, R. M., M. R. ABBOTT and D. M. KARL. Nutrient supply into the euphotic zone as a result of the seasonal solar irradiance cycle: Station ALOHA as a case study. Ocean Sciences Meeting, San Antonio TX, January 2000.

  107. 2000 RUSS, M. E., N. E. OSTROM, B. POPP, T. M. RUST and D. M. KARL. Mechanisms of N2O production in the subtropical North Pacific based on determination of the isotopic abundance of N2O and O2. Ocean Sciences Meeting, San Antonio, TX, January 2000.

  108. 2000 KARL, D. M., D. V. HEBEL and L. M. TUPAS. Biogeochemical studies at the Hawaii Ocean Time-series (HOT) Station ALOHA. International Symposium on Carbon Cycle in the North Pacific, Nagoya, Japan, February 2000.

  109. 2000 KARL, D. M., S. EMERSON, P. J. HARRISON, A. F. MICHAELS and Y. NOJIRI. Temporal variability of biogeochemistry. JGOFS Open Science Conference on Ocean Biogeochemistry: A New Paradigm, Bergen, Norway, April 2000.

  110. 2000 BIDIGARE, R. R., M. E. ONDRUSEK, M. R. LANDRY, K. SELPH, D. M. KARL and R. LETELIER. Seasonal and interannual variations in phytoplankton community structure at Station ALOHA. JGOFS Open Sciences Conference on Ocean Biogeochemistry: A New Paradigm, Bergen, Norway, April 2000.

  111. 2000 KARL, D. M., C. CARRILLO, T. HOULIHAN, R. SMITH and S. STAMMERJOHN. Palmer LTER: The Southern Ocean carbon pump. LTER All Scientists Meeting, Snowbird, Utah, August 2000.

  112. 2000 CHURCH, M., C. CARRILLO, K. BJÖRKMAN, S. KERR, J. CHRISTIAN, M. KARNER, L. TUPAS, D. BIRD, E. DELONG, S. DONACHIE and D. M. KARL. Palmer LTER: Microbial processes in an ice-dominated marine ecosystem. LTER All Scientists Meeting, Snowbird, Utah, August 2000.

  113. 2000 CARRILLO, C. J. and D. M. KARL. Palmer LTER: Temporal and spacial variability of dissolved inorganic carbon, oxygen saturation and partial pressure of carbon dioxide in surface waters west of the Antarctic Peninsula. LTER All Scientists Meeting, Snowbird, Utah, August 2000.

  114. 2000 BENITEZ-NELSON, C. R. and D. M. KARL. Phosphorus cycling in the North Pacific gyre. Amirican Geophysical Union Meeting, San Francisco, CA, December 2000.

  115. 2000 COLMAN, A. S., D. M. KARL, M. L. FOGEL and R. E. BLAKE. A new technique for the measurement of phosphate oxygen isotopes of dissolved inorganic phosphate in natural waters. American Geophysical Union Meeting, San Francisco, CA, December 2000.

  116. 2001 NEUER, S., R. DAVENPORT, T. FREUDENTHAL, G. WEFER, O. LLINAS, M. J. RUEDA, D. K. STEINBERG, M. H. CONTE and D. M. KARL. Differences in Redfield ratios between open ocean time series stations and implications for carbon export. ASLO Aquatic Sciences Meeting, Albuquerque, NM, February 2001.

  117. 2001 SMITH, JR., K. L., R. J. BALDWIN, D. M. KARL and A. BOETIUS. Benthic community responses to seasonal pulses in pelagic food supply: Central North Pacific gyre. ASLO Aquatic Sciences Meeting, Albuquerque, NM, February 2001.

  118. 2002 KARL, D. M., J. E. DORE, T. A. HOULIHAN, D. V. HEBEL and L. A. FUJIEKI. Seasonal and interannual variability in the biological pump at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  119. 2002 DORE, J. E., L. M. TUPAS, J. R. BRUM and D. M. KARL. Nitrogen-based and nitrogen fixation-based support of export production at Station ALOHA: 1989-2001. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  120. 2002 GASC, A. M. E., P. J. MORRIS and D. M. KARL. Sources and sinks of hydrogen peroxide at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  121. 2002 CHURCH, M. J., E. F. DELONG, H. W. DUCKLOW, C. M. PRESTON and D. M. KARL. A comparison of winter and summer distributions of planktonic Archaea and Bacteria in the West Antarctic Peninsula. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  122. 2002 EMERSON, S. C. STUMP, B. JOHNSON and D. M. KARL. In situ determination of oxygen and nitrogen concentrations in the upper ocean. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  123. 2002 LEE, K., D. M. KARL, J.-Z. ZHANG and R. WANNINKHOF. Global estimates of carbon export in the nitrate-depleted tropical and subtropical oceans. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  124. 2002 LETELIER, R. M., D. M. KARL, M. R. ABBOTT. R. R. BIDIGARE and J. S. NAHORNIAK. Temporal variability of light penetration depth at Station ALOHA: Potential effect in productivity and phytoplankton community structure in the lower euphotic zone. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  125. 2002 MICHAELS, A. F., E. A. BOYLE, E. J. CARPENTER, S. DONEY, G. HAUG, D. M. KARL, N. MAHOWALD, R. L. SIEFERT, D. A. SIEGEL, D. SIGMAN, A. SUBRAMANIAM, P. L. YAGER and D. G. CAPONE. Biocomplextity: Oceanic nitrogen fixation and global climate. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  126. 2002 MORRIS, P. J., P. J. leB. WILLIAMS and D. M. KARL, In vitro measurements of net community production in the euphotic zone of the subtropical North Pacific. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  127. 2002 BJÖRKMAN, K. M. and D. M. KARL. Phosphorus uptake rates and phosphorus pool dynamics in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  128. 2002 COLMAN, A. S., D. M. KARL., M. L. FOGEL and R. E. BLAKE. The oxygen isotope composition of phosphate in the Pacific and Atlantic Oceans. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  129. 2002 MOORE, C. C., T. DICKEY, G. CHANG, D. V. MANOV, F. SPADA, D. M. KARL and A. HANSON. The Multi-disciplinary Ocean Sensors for Environmental Analyses and Networks (MOSEAN) program. Ocean Sciences Meeting, Honolulu, HI, February 2002.

  130. 2002 BENITEZ-NELSON, C. R., T. K. GREGORY and D. M. KARL. Upper ocean and mesopelagic particulate export at Station ALOHA in the NPSG derived from 234TH. AGU Fall Meeting, San Francisco, CA, December 2002.

  131. 2002 DUENNEBIER, F. K., R. BUTLER, D. M. KARL and R. B. LUKAS. New opportunities for cabled ocean observatories. AGU Fall Meeting, San Francisco, CA, December 2002.

  132. 2002 JOHNSON, K. S., V. A. ELROD, S. E. FITZWATER, J. N. PLANT, F. P. CHAVEZ, S. J. TANNER, R. M. GORDON, D. L. WESTPHAL, K. D. PERRY and D. M. KARL. Iron and ecosystem response to surface ocean - lower atmosphere interactions in the North Pacific Ocean gyre. AGU Fall Meeting, San Francisco, CA, December 2002.

  133. 2002 JURANEK, L. W., P. D. QUAY and D. M. KARL. Primary productivity rates at Station ALOHA determined by 18O labeling and the triple isotope composition of dissolved oxygen. AGU Fall Meeting, San Francisco, CA, December 2002.

  134. 2002 SAKAMOTO, C. M., D. M. KARL, H. W. JANNASCH, R. R. BIDIGARE, R. M. LETELIER and K. S. JOHNSON. Nitrate variability measured in situ on the HALE ALOHA open ocean mooring: Influence of mesoscale eddy activity on phytoplankton community dynamics. AGU Fall Meeting, San Francisco, CA, December 2002.

  135. 2004 BIDIGARE, R. R., Y. CHAO, R. LUKAS, R. M. LETELIER, S. CHRISTENSEN and D. M. KARL. Temporal variations in phytoplankton community structure and physical forcing at Station ALOHA (22.75N, 158W). Ocean Research Conference, Honolulu, HI, February 2004.

  136. 2004 BJÖRKMAN, K. M. and D. M. KARL. Phosphorus uptake kinetics of different natural populations of bacterioplankton and eukaryotic phytoplankton in the North Pacific Subtropical Gyre. Ocean Research Conference, Honolulu, HI, February 2004.

  137. 2004 CHURCH, M. J., B. D. JENKINS, D. M. KARL, S. M. SHORT, E. O. OMOREGIE and J. P. ZEHR. Diversity and vertical distributions of nitrogen-fixing bacteria in the oligotrophic North Pacific Ocean. Ocean Research Conference, Honolulu, HI, February 2004.

  138. 2004 CLEMENTE, T., K. BJÖRKMAN, E. DAFNER, L. FUJIEKI, N. JACHOWSKI, D. SADLER, G. CORNO, R. LETELIER, M. CHURCH, J. ZEHR and D. KARL. Regionalization of the Hawaii Ocean Time-series (HOT) observations. Ocean Research Conference, Honolulu, HI, February 2004.

  139. 2004 CORNO, G., R. M. LETELIER, M. R. ABBOTT and D. M. KARL. Estimation of photosynthetic activity, as determined by Fast Repetition Rate Fluorometry (FRRF), in the North Pacific Subtropical Gyre (NPSG). Ocean Research Conference, Honolulu, HI, February 2004.

  140. 2004 DICKEY, T. D., A. HANSON, D. KARL, C. MOORE, G. CHANG, D. MANOV and F. SPADA. The multi-disciplinary ocean sensors for environmental analyses (MOSEAN) program. Ocean Research Conference, Honolulu, HI, February 2004.

  141. 2004 FUJIEKI, L. A. and D. M. KARL. HOT-DOGS: A user-friendly interface for access to the Hawaii Ocean Time-series data. Ocean Research Conference, Honolulu, HI, February 2004.

  142. 2004 KARL, D. M. A novel, emergent paradigm for the ecology of marine picoplankton. Ocean Research Conference, Honolulu, HI, February 2004.

  143. 2004 LETELIER, R. M., M. R. ABBOTT, D. M. KARL, J. NAHORNIAK, R. R. BIDIGARE and G. CORNO. Assessing phytoplankton biomass and physiological variability at Station ALOHA (22 45'N, 158 00'W) using radiance reflectance profiles. Ocean Research Conference, Honolulu, HI, February 2004.

  144. 2004 MORRIS, P., K. BJÖRKMAN, P. McANDREW, E. DAFNER, T. GREGORY, A. SHEA, P. WILLIAMS, and D. KARL. The net metabolic balance of the open ocean: A test of the nutrient loading hypothesis. Ocean Research Conference, Honolulu, HI, February 2004.

  145. 2006 DUENNEBIER, F. K., M. D. TREMBLAY, D. HARRIS, J. JOLLY, D. COPSON, J. BABINEC, W. DOI, R. LUKAS, and D. KARL. The ALOHA cabled observatory. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  146. 2006 McANDREW, P. M., D. M. KARL and R. R. BIDIGARE. Primary production and implications for metabolic balance within Hawaiian eddies. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  147. 2006 MAHAFFEY, C., C. BENITEZ-NELSON, S. RI, R. BIDIGARE and D. M. KARL. Nitrogen dynamics within Hawaiian leed eddies: Insights using a stable nitrogen isotope approach. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  148. 2006 CHURCH, M. J., C. MAHAFFEY, A. A. FONG, J. P. ZEHR and D. M. KARL. Time series investigations into the dynamics of nitrogen fixing bacteria and rates of nitrogen fixation at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  149. 2006 MANGANINI, S. J., J. E. ANDREWS, III, C. BERTRAND, R. BIDIGARE, M. HONDA, D. M. KARL, C. H. LAMBORG, J. VALDES and K. O. BUESSELER. Vertical flux of mass, pigments and chemical components in the mesopelagic "twilight zone" of the North Central and Northwest Pacific Ocean during VERTIGO. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  150. 2006 KARL, D. M. Biogeochemistry of phosphorus in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  151. 2006 BJÖRKMAN, K. and D. M. KARL. Phosphorus utilization in nutrient enrichment experiments: A case for diatoms depleting the surface ocean of phosphorus in the oligotrophic North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  152. 2006 LETELIER, R. M., A. WHITE, D. M. KARL, M. J. CHURCH and J. CHRISTIAN. Inter-annual to decadal variability in soluble reactive phosphorus concentrations in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  153. 2006 COLMAN, A. S., R. E. BLAKE, Y. LIANG, D. M. KARL, K. K. TUREKIAN and M. L. FOGEL. Phosphate oxygen isotopes and microbial phosphorus cycling in the oceans. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  154. 2006 CLEMENTE, T. M., M. J. CHURCH and D. M. KARL. Spatial and temporal variability in plankton size structure along biogeochemical gradients in the Pacific Ocean. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  155. 2006 GRABOWSKI, E. M., K. M. BJÖRKMAN, M. J. CHURCH, T. M. CLEMENTE, S. E. CURLESS, L. A. FUJIEKI, T. K. GREGORY, A. E. HARLAN, C. W. MAHAFFEY, D. W. SADLER, B. V. WATKINS and D. M. KARL. Meriodional variations in dissolved and particulate matter concentrations and stoichiometries in the tropical and subtropical Pacific Ocean. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  156. 2006 SUBRAMANIAM, A., D. M. KARL, R. SHIPE and T. VILLAREAL. Do diatom-diazotroph associations contribute significantly to C sequestration globally? Ocean Sciences Meeting, Honolulu, HI, February 2006.

  157. 2006 SADLER, D. W., K. M. BJÖRKMAN, K. M., M. J. CHURCH, T. M. CLEMENTE, S. E. CURLESS, D. G. FOLEY, A. A. FONG, L. A. FUJIEKI, E. M. GRABOWSKI, T. K. GREGORY, D. M. KARL, R. M. LETELIER, P. J. LETHABY, R. LUKAS, C. MAHAFFEY, S. MAENNER, P. M. McANDREW, C. L. SABINE, F. SANTIAGO-MANDUJANO and B. V. WATKINS. Station ALOHA blooms: Biogeochemical characteristics of a large plankton bloom in the oligotrophic North Pacific Ocean. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  158. 2006 FONG, A. A., M. J. CHURCH, D. M. KARL, R. LUKAS, C. MAHAFFEY and J. P. ZEHR. Diazotroph abundance and diversity during a large bloom in the oligotrophic North Pacific gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  159. 2006 NAHORNIAK, J., R. M. LETELIER, A. ASHE, D. M. KARL, M. J. CHURCH and L. FUJIEKI. In situ optical characterization of summer blooms in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  160. 2006 ZEHR, J. P., J. P. MONTOYA, C. SHORT, A. HANSEN, B. D. JENKINS, M. J. CHURCH and D. M. KARL. Nitrogenase gene expression in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  161. 2006 MONTOYA, J. P., A. HANSEN, D. M. KARL and J. P. ZEHR. Size-fractionated rates and patterns of ntirogen and carbon fixation in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  162. 2006 DORE, J. E., R. LUKAS, M. J. CHURCH, D. W. SADLER, R. M LETELIER and D. M. KARL. Multiyear decline in surface ocean carbon dioxide at Station ALOHA: Has the efficiency of the biological carbon pump increased? Ocean Sciences Meeting, Honolulu, HI, February 2006.

  163. 2006 GRABOWSKI, M. W., D. M. KARL and M. J. CHURCH. Iron and phosphorus as controls on nitrogen fixation at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2006.

  164. 2007 WHITE, J. W., J. E. HOBBIE, A. BAKER, G. CLARKE, P. T. DORAN, D. KARL, B. METHE, H. MILLER, S. B. MUKASA, M. RACE, W. VINCENT, D. WALTON and M. UHLE. Exploration of Antarctic subglacial aquatic environments: Environmental and scientific stewardship. AGU Fall Meeting, San Francisco, CA, December 2007.

  165. 2008 QUAY, P. D., C. PEACOCK, K. BJÖRKMAN and D. KARL. Rates of primary production in the ocean: A comparison of traditional in-vitro and newer in-situ methods. Ocean Sciences Meeting, Orlando, FL, March 2008.

  166. 2008 WHITE, A. E., Y. H. SPITZ, J. P. ZEHR, D. M. KARL and K. BJÖRKMAN. Physical and chemical forcing of diazotrophic biomass along a transect from 23 S to 24.75 N. Ocean Sciences Meeting, Orlando, FL, March 2008.

  167. 2008 MOORE, R. M., S. PUNSHON, C. MAHAFFEY, M. CHURCH and D. KARL. Dissolved hydrogen measurements and their relationship to nitrogen fixation in the equatorial Pacific: Results from the CMORE-BULA cruise. Ocean Sciences Meeting, Orlando, FL, March 2008.

  168. 2008 KARL, D. M. and HOT/C-MORE Team. Nutrient dynamics at Station ALOHA. Ocean Sciences Meeting, Orlando, FL, March 2008.

  169. 2008 MAHAFFEY, C., K. BJÖRKMAN and D. M. KARL. Physiological and community response of autotrophs to simulated upwelling of nutrient rich deep water at Station ALOHA in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Orlando, FL, March 2008.

  170. 2008 BEVERSDORF, L., J., K. BJÖRKMAN, M. J. CHURCH, E. F. DeLONG and D. M. KARL. Aerobic production of methane in the sea. Ocean Sciences Meeting, Orlando, FL, March 2008.

  171. 2008 CHURCH, M. J., R. R. BIDIGARE, J. E. DORE, D. M. KARL, M. R. LANDRY, R. M. LETELIER and R. LUKAS. The Hawaii Ocean Time-series (HOT) program: Sensing ecosystem variability in the Subtropical North Pacific Ocean. Ocean Sciences Meeting, Orlando, FL, March 2008.

  172. 2008 EILER, A., D. H. HAYAKAWA, M. J. CHURCH, D. M. KARL and M. S. RAPPÉ. Population structure and spatiotemporal distribution of the SAR11 clade in the subtropical North Pacific. 12th International Symposium on Microbial Ecology, Cairns, Australia, August 2008.

  173. 2008 WHITE, A. E., K. BJÖRKMAN, E. GRABOWSKI, R. M. LETELIER, S. POULOS, B. WATKINS and D. M. KARL. Assessing the feasibility and risks of using wave-driven upwelling to enhance the biological sequestration of carbon in open oceans. American Geophysical Union Fall Meeting, San Francisco, CA, December 2008.

  174. 2009 RAPPÉ, M. S., D. HAYAKAWA, A. EILER, D. M. KARL and M. J. CHURCH. Drivers of bacterioplankton composition in the North Pacific Subtropical Gyre. ASLO Aquatic Sciences Meeting, Nice, France, January 2009.

  175. 2010 SANTIAGO-MANDUJANO, F. E., R. LUKAS, S. DECARLO, P. J. LETHABY, J. SNYDER, E. FIRING, R. BIDIGARE, M. J. CHURCH, J. E. DORE, D. M. KARL, M. R. LANDRY and R. M. LETELIER. Physical trends at Station ALOHA in the North Pacific subtropical gyre. Ocean Sciences Meeting, Portland, OR, February 2010.

  176. 2010 CLEMENTE, T. M., J. A. ERNST, A. A. FONG, B. D. UPDYKE, C. A. VIVIANI, K. WEERSING,, B. R. WHEELER, II, A. E. WHITE and D. M. KARL. SUPER HI-CAT: Survey of underwater plastic and ecosystem response between Hawaii and California. Ocean Sciences Meeting, Portland, OR, February 2010.

  177. 2010 GRABOWSKI, E. M., M. C. HILL and D. M. KARL. SEA-IT-LIVE (Sea Education by Accessing Integrated Technologies: Learning Involving a Virtual Experience). Ocean Sciences Meeting, Portland, OR, February 2010.

  178. 2010 NAHORNIAK, J., A. L. WHITMIRE, R. M. LETELIER, S. POULOS, L. FUJIEKI and D. M. KARL. High temporal resolution observations of chlorophyll and particle concentration dynamics at Station ALOHA derived from Seaglider optical records. Ocean Sciences Meeting, Portland, OR, February 2010.

  179. 2010 BJÖRKMAN, K. M., M. J. CHURCH, K. DOGGETT and D. M. KARL. The effect of light on phosphorus and amino acid uptake in Prochlorococcus spp. In the North Pacific subtropical gyre using cell-sorting flow cytometry. Ocean Sciences Meeting, Portland, OR, February 2010.

  180. 2010 WATKINS, K. S., A. WHITE, Y. H. SPITZ, D. M. KARL and R. M. LETELIER. Enhancement of in situ nitrogen fixation in response to phosphate and phosphonate additions in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Portland, OR, February 2010.

  181. 2010 CHURCH, M. J., R. BIDIGARE, J. E. DORE, M. R. LANDRY, R. M. LETELIER, R. LUKAS and D. M. KARL. The annual flow of carbon through an open ocean plankton food web.: Synthesis of 20 years of measurements at Station ALOHA. Ocean Sciences Meeting, Portland, OR, February 2010.

  182. 2010 CALIL, P. H., L. GUIDI, K. J. RICHARDS, D. M. KARL and Z. S. KOLBER. Modulation of carbon export at the submesoscale by Lagrangian coherent structures. Ocean Sciences Meeting, Portland, OR, February 2010.

  183. 2010 KARL, D., A. WHITE, K. M. BJÖRKMAN, L. J. BEVERSDORF and R. M. LETELIER. Elemental stoichiometry of organic matter production by Trichodesmium IMS 101 as a function of phosphorus source with emphasis on phosphonate utilization and the production of greenhouse gases. Ocean Sciences Meeting, Portland, OR, February 2010.

  184. 2010 DUHAMEL, S., K. M. BJÖRKMAN and D. M. KARL. Alkaline phosphatase activity and regulation in the North Pacific subtropical gyre. Ocean Sciences Meeting, Portland, OR, February 2010.

  185. 2010 DORE, J. E., M. J. CHURCH, C. MAHAFFEY, R. M. LETELIER and D. M. KARL. Reconciling N2 fixation rate estimates in the subtropical North Pacific Ocean. Ocean Sciences Meeting, Portland, OR, February 2010.

  186. 2010 BRZEZINSKI, M. A., J. W. KRAUSE, B. LI, M. J. CHURCH, D. M. KARL and J. L. JONES. HOT and BATS: A comparative analysis of the silicon cycle. Ocean Sciences Meeting, Portland, OR, February 2010.

  187. 2010 QUAY, P., C. PEACOCK, K. M. BJÖRKMAN and D. M. KARL. Measuring primary production rates in the ocean: Differences between incubation, non-incubation and satellite methods at Stn ALOHA. Ocean Sciences Meeting, Portland, OR, February 2010.

  188. 2010 LI, B., M. A. BRZEZINSKI, D. M. KARL and M. J. CHURCH. Investigations into the temporal and spatial dynamics of diatoms in the North Pacific Subtropical Gyre (NPSG). Ocean Sciences Meeting, Portland, OR, February 2010.

  189. 2010 GUIDI, L., J. UITZ, L. LEGENDRE, H. CLAUSTRE, D. M. KARL and D. STRAMSKI. Estimating carbon export and sequestration in ocean at regional and global scales. Ocean Sciences Meeting, Portland, OR, February 2010.

  190. 2010 LETELIER, R. M., A. WHITE and D. M. KARL. Wave-driven upwelling as a tool for the enhancement of biological sequestration of carbon in open oceans. Ocean Sciences Meeting, Portland, OR, February 2010.

  191. 2010 BUESSELER, K., R. S. LAMPITT, H. J. DE BAAR, S. BLAIN, F. CHAI, K. H. COALE, M. DAI, D. M. KARL, M. LEINEN, M. C. LOHAN, L. ROTHSTEIN, T. W. TRULL, D. WHALEY and M. ZHOU. Understanding and assessing the feasibility of ocean iron fertilization to reduce atmospheric carbon dioxide. Ocean Sciences Meeting, Portland, OR, February 2010.

  192. 2010 CAMPBELL, T. L., D. HAYAKAWA, D. KARL, M. J. CHURCH and M. S. RAPPÉ. Spatial distribution of bacterioplankton lineages along a meridional transect of the Pacific Ocean. 13th International Symposium on Microbial Ecology. Seattle, WA, August 2010.

  193. 2011 CHURCH, M. J., D. BOTTJER, D. M. KARL, R. M. LETELIER, D. A. VIVIANI and J. P. ZEHR. Nitrogen fixation in the North Pacific Subtropical Gyre. Aquatic Sciences Meeting, San Juan, Puerto Rico, February 2011.

  194. 2011 DEL VALLE, D. A., R. P. KIENE and D. M. KARL. Light dependence of dissolved DMSP-sulfur assimilation and DMS production in the oligotrophic North Pacific subtropical gyre. Aquatic Sciences Meeting, San Juan, Puerto Rico, February 2011.

  195. 2011 NICHOLSON, D. P., R. H. STANLEY, E. BARKAN, D. M. KARL, B. LUZ, P. D. QUAY and S. C. DONEY. Evaluating triple oxygen isotope estimates of gross primary production at the Hawaii Ocean Time-series and Bermuda Atlantic Time-series Study sites. Aquatic Sciences Meeting, San Juan, Puerto Rico, February 2011.

  196. 2012 DORE, J. E., R. LUKAS, M. J. CHURCH, D. W. SADLER and D. M. KARL. Consistent trends and patterns of interannual variability in surface ocean CO2 at contrasting sites windward and leeward of the Hawaiian islands. Ocean Sciences Meeting, Salt Lake City, UT, February 2012.

  197. 2013 SMITH, S. R., K. R. HEAL, C. AMANO-SATO, T. COALE, J. DINASQUET, A. FISCHER, R. GOLDA, W. JOHNSON, A. LOPES, M. R. RODRIGUEZ, J. SAUNDERS, K. SHOEMAKER, T. SILOVIC, W. SMYTHE, O. SOSA, T. VICK-MAJORS, D. KARL and M. J. CHURCH. High resolution sampling reveals light-driven fluctuations in mirobial biomass and activities at Station ALOHA. ASLO 2013 Aquatic Sciences Meeting, New Orleans, LA, February 2013.

  198. 2013 HEAL K. R., S. R. SMITH, C. AMANO-SATO, T. COALE, J. DINASQUET, A. FISCHER, R. GOLDA, W. JOHNSON, A. LOPES, M. R. RODRIGUEZ, J. SAUNDERS, K. SHOEMAKER, T. SILOVIC, W. SMYTHE, O. SOSA, T. VICK-MAJORS, D. KARL and M. J. CHURCH. Photosynthetic parameters over hourly and daily timescales shed light on population stability at Station ALOHA. ASLO 2013 Aquatic Sciences Meeting, New Orleans, LA, February 2013.

  199. 2013 WHITE, A. E., J. P. ZEHR, D. BOMBAR and D. M. KARL. Diazotrophy in the South Pacific: Reconciling habitat, nitrogen fixation rates and metrics of diazotrophic abundance and diversity. ASLO 2013 Aquatic Sciences Meeting, New Orleans, LA, February 2013.

  200. 2013 MARTINEZ, A., L. A. VENTOURAS, S. T. WILSON, D. M. KARL and E. F. DeLONG. Methylphosphonate utilization by marine bacteria. American Society for Microbiology annual meeting, Denver, CO, May 2013.

  201. 2013 KARL, D. D. BÖTTJER, T. CLEMENTE, S. POULOS, S. WILSON, K. BJÖRKMAN and S. SEARSON. Potential environmental consequences of enhanced ocean upwelling. Asia-Pacific Clean Energy Summit and Expo, Honolulu, HI, September 2013.

  202. 2013 COMFORT, C., C. OSTRANDER, M. McMANUS, D. KARL, D. LUTHER and L. VEGA. Observing ocean changes at the nation's first commercial seawater air conditioning site. Asia-Pacific Clean Energy Summit and Expo, Honolulu, HI, September 2013.

  203. 2014 FERRÓN, S., S. T. WILSON, D. A. DEL VALLE and D. M. KARL. Methane sources in the upper ocean at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  204. 2014 WILSON, S. T., D. A. DEL VALLE, M. SEGURA-NOGUERA and D. M. KARL. Nitrifier denitrification as a source of nitrous oxide in the lower euphotic zone of the oligotrophic North Pacific Subtropical Gyre at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  205. 2014 CASEY, J. R., K. M. BJÖRKMAN, E. M. GRABOWSKI and D. M. KARL. "HOT-PIE!" A new look at primary productivity size spectra. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  206. 2014 BÖTTJER, D., D.VIVIANI, D. M. KARL, R. M. LETELIER and M. J. CHURCH. No evidence for enhanced carbon or dinitrogen fixation under elevated seawater pCO2 in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  207. 2014 COMFORT, C., C. OSTRANDER, M. McMANUS, D. KARL and D. LUTHER. Monitoring ocean changes in response to seawater air conditioning in Honolulu, HI. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  208. 2014 BJÖRKMAN, K. M., J. K. DOGGETT, M. J. CHURCH and D. M. KARL. Differential response to light intensity in 14C-bicarbonate versus 3H-leucine incorporation by Prochlorococcus at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  209. 2014 CASEY, J. R., R. R. BIDIGARE and D. M. KARL. Photorespiration and LMW organic acid cycling at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  210. 2014 BRYANT, J. B., J. M. EPPLEY, D. M. KARL, M. J. CHURCH and E. F. DeLONG. Wind and season drive microbial community diversity in the North Pacific Subtropical Gyre at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  211. 2014 BARONE, B., M. J. CHURCH, D. M. KARL, R. M. LETELIER and A. E. WHITE. Size structure and particle maxima in different layers of the water column of a subtropical gyre: Influences of algal ecology and density stratification. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  212. 2014 KARL, D. M., T. CLEMENTE, E. GRABOWSKI, S. T. WILSON and M. J. CHURCH. Variability in particle export at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  213. 2014 CLEMENTE, T. M., D. BÖTTJER, S. T. WILSON, K. M. BJÖRKMAN and D. M. KARL. Potential environmental consequences of enhanced ocean upwelling. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  214. 2014 DUHAMEL, S., K. M. BJÖRKMAN, J. K. DOGGETT and D. M. KARL. Microbial group specific uptake of inorganic phosphate and ATP at Station ALOHA: Kinetics, effect of light and response to rapid changes in N:P availability. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  215. 2014 MARTINEZ-GARCIA, S. and D. M. KARL. Euphotic and mesopelagic zone microbial respiration at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  216. 2014 POULOS, S., L. FUJIEKI, B. WATKINS, S. SEARSON and D. M. KARL. The ALOHA Seaglider fleet. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  217. 2014 SEGURA-NOGUERA, M., S. E. CURLESS, M. J. CHURCH and D. M. KARL. Ammonium distribution at Station ALOHA in the North Pacific Subtropical Gyre. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  218. 2014 LETELIER, R. M., A. E. WHITE, M. J. CHURCH, D. M. KARL and R. R. BIDIGARE. Local to basin scale modulation of primary productivity in the North Pacific Subtropical Gyre: Lessons learned from the Hawaii Ocean Time-series program. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  219. 2014 WAI, B. R., M. J. CHURCH, D. M. KARL and E. F. DeLONG. Temporal variability of ammonia-oxidizing Archaea at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  220. 2014 DOGGETT, J. K., G. VAN DEN ENGH, M. A. DOBLIN and D. M. KARL. High resolution flow cytometry profiles of Prochlorococcus at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  221. 2014 SADLER, D. W., J. E. DORE, M. J. CHURCH, L. A. FUJIEKI and D. M. KARL. Assessing the internal consistency of CO2 measurements at Station ALOHA. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  222. 2014 SAMO, T. J. and D. M. KARL. Single-cell analysis of alkaline phosphatase activity on sinking particles: Mesopelagic phosphorus and carbon cycling implications. Ocean Sciences Meeting, Honolulu, HI, February 2014.

  223. 2014 DEL VALLE, D., S. MARTINEZ-GARCIA, C. SUFFRIDGE, L. CUTTER, S. SANUDO-WILHELMY and D. KARL. The role of B1 and other B-vitamins at the oligotrophic Station ALOHA during natural and induced bloom conditions. Ocean Sciences Meeting, Honolulu, HI.


Scientific Publications (Non-Refereed Reports & Articles)

  1. 1975 KARL, D. M. and P. A. LAROCK. Adenosine triphosphate measurements in marine sediments: Some comments on extraction methodology and analysis. In G. A. Borun (ed.), ATP Methodology Seminar, pp. 360- 393. SAI Tech. Co., San Diego, CA.

  2. 1975 LAROCK, P. A. and D. M. KARL. Applications of ATP biomass estimates in several marine ecosystems. In G. A. Borun (ed.), ATP Methodology Seminar, pp. 562-583. SAI Tech. Co., San Diego, CA.

  3. 1977 KARL, D. M. and O. HOLM-HANSEN. Adenylate energy charge measurements in natural seawater and sediment samples. In G. A. Borun (ed.), ATP Methodology Symposium, Vol. II, pp. 141-169. SAI Tech. Co., San Diego, CA.

  4. 1977 HOLM-HANSEN, O., M. SHATTUCK and D. M. KARL. Effects of luciferin concentration on light emission from luciferase-ATP preparations. In G. A. Borun (ed.), ATP Methodology Symposium, Vol. II, pp. 81-102. SAI Tech. Co., San Diego, CA.

  5. 1977 HOLM-HANSEN, O., F. AZAM, A. F. CARLUCCI, R. E. HODSON and D. M. KARL. Microbial distribution and activity in and around McMurdo Sound. Antarctic Journal of the United States XII: 29-32.

  6. 1978 HOLM-HANSEN, O., F. AZAM, L. CAMPBELL, A. F. CARLUCCI and D. M. KARL. Microbial life beneath the Ross Ice Shelf. Antarctic Journal of the United States 13: 129-130.

  7. 1979 CSANADY, G., G. FLIERL, D. KARL, D. KESTER, T. O'CONNOR, P. ORTNER, and W. PHILPOT. Deepwater dumpsite 106. In: E. D. Goldberg (ed.), Assimilative capacity of U.S. coastal waters for pollutants, Proceedings of a Workshop, Crystal Mountain, Washington, July 29-August 4, 1979, pp. 123- 147. U.S. Department of Commerce.

  8. 1979 Galapagos Biology Expedition Participants. Galapagos '79: Initial findings of a deep- sea biological quest. Oceanus 22: 2-10.

  9. 1983 MCMURTRY, G. M., D. EPP and D. M. KARL. Project Pele: Studies of the hydrology, chemistry and microbiology of geothermal systems on the submarine rift zones of the Hawaiian chain. Sea Grant Quarterly 5: 1-8.

  10. 1984 KNAUER, G. A., J. H. MARTIN and D. M. KARL. The flux of particulate organic matter out of the euphotic zone. In: Global Ocean Flux Study, Proceedings of a Workshop, September 10-14, 1982, Woods Hole, pp. 136-150. National Academic Press, Washington, D.C.

  11. 1987 HUNTLEY, M. E., D. M. KARL, P. NIILER and O. HOLM-HANSEN. Research on Antarctic Coastal Ecosystem Rates (RACER): An interdisciplinary field study. Antarctic Journal of the United States 22: 135- 137.

  12. 1987 KARL, D. M., G. TIEN, D. JONES, B. TILBROOK, M. D. BAILIFF, M. NAWROCKI, G. TAYLOR and P. HABERSTROH. RACER: Seasonal changes in the downward flux of biogenic matter. Antarctic Journal of the United States 22: 157-158.

  13. 1987 TIEN, G., D. JONES, M. D. BAILIFF, M. NAWROCKI, B. TILBROOK, P. HABERSTROH, G. T. TAYLOR and D. M. KARL. RACER: Spatial and temporal variations in microbial biomass. Antarctic Journal of the United States 22: 148-149.

  14. 1987 BAILIFF, M. D., D. JONES, M. NAWROCKI, B. TILBROOK, P. HABERSTROH, G. TIEN, G. T. TAYLOR and D. M. KARL. RACER: Bacterial abundance and thymidine incorporation in the Bransfield Strait, 1986-87. Antarctic Journal of the United States 22: 150- 153.

  15. 1987 HABERSTROH, P. R., M. D. BAILIFF, G. TIEN, G. T. TAYLOR, D. JONES, B. TILBROOK, M. NAWROCKI and D. M. KARL. RACER: Dissolved free amino acid concentrations, molecular composition and microbial uptake rates in the Bransfield Strait. Antarctic Journal of the United States 22: 153-156.

  16. 1987 HUNTLEY, M. E., P. NIILER, O. HOLM-HANSEN and D. M. KARL. RACER: Dynamics of the Antarctic peninsula coastal ecosystem: An overview. Antarctic Journal of the United States 22: 165-166.

  17. 1988 BIRD, D. F. and D. M. KARL. Microbial incorporation of exogenous thymidine and glutamic acid in surface waters of the Bransfield Strait: a RACER analysis. Antarctic Journal of the United States 23: 119-120.

  18. 1988 BAILIFF, M. D. and D. M. KARL. RACER: Dissolved DNA concentrations in the Bransfield Strait, 1986-87. Antarctic Journal of the United States 23: 116-118.

  19. 1988 KARL, D. M., A. BRITTAIN and B. TILBROOK. Initial microbiological and chemical investigations of Pele's Vent, Loihi Seamount. In M. P. DeLuca and I. Babb (eds.), Global venting, midwater and benthic ecological processes, pp. 187-234. NOAA Undersea Research Program Research Report 88-4.

  20. 1989 LETELIER, R. and D. M. KARL. Phycoerythrin-containing cyanobacteria in surface waters of the Drake Passage during February 1987. Antarctic Journal of the United States 24: 185-188.

  21. 1989 KARL, D. M. Petroleum degradation by microorganisms: Initial results from the Bahia Paraiso oil spill. Antarctic Journal of the United States 24: 170-172.

  22. 1989 KARL, D. The measurement of total C, N and P flux. In: Sediment trap technology and sampling, p. 68. U.S. GOFS Planning Report No. 10.

  23. 1989 KARL, D. and G. KNAUER. The use of screens as a potential solution to the swimmer problem: Results from a field experiment. In: Sediment trap technology and sampling, p. 69. U.S. GOFS Planning Report No. 10.

  24. 1990 KARL, D. M. and D. V. HEBEL. RACER: Dissolved oxygen and nitrate dynamics during the 1989 austral spring bloom. Antarctic Journal of the United States 25: 149-151.

  25. 1990 KARL, D. M. and V. L. ASPER. RACER: Particle flux measurements during the 1989-90 austral summer. Antarctic Journal of the United States 25: 167-169.

  26. 1990 BIRD, D. F. and D. M. KARL. RACER: Bacterial growth, abundance and loss due to protozoan grazing during the 1989 spring bloom. Antarctic Journal of the United States 25: 156-157.

  27. 1990 TIEN, G., L. ASATO, V. L. ASPER, D. F. BIRD, A. M. BRITTAIN, D. V. HEBEL, R. LETELIER and D. M. KARL. RACER: Microbial processes in the northern Gerlache Strait, 1989-1990. Antarctic Journal of the United States 25: 152-154.

  28. 1990 HUNTLEY, M. E., P. NIILER, O. HOLM-HANSEN, M. VERNET, E. BRINTON, A. F. AMOS and D. M. KARL. RACER: An interdisciplinary study of spring bloom dynamics. Antarctic Journal of the United States 25: 126-128.

  29. 1990 VERNET, M. and D. M. KARL. RACER: Phytoplankton growth and zooplankton grazing in the northern Gerlache Strait estimated from chlorophyll budgets. Antarctic Journal of the United States 25: 164- 166.

  30. 1991 KARL, D. M. and G. TIEN. Bacterial abundances during the 1989-90 austral summer phytoplankton bloom in the Gerlache Strait. Antarctic Journal of the United States 26: 147- 149.

  31. 1991 BIRD, D. F. and D. M. KARL. Massive prasinophyte bloom in northern Gerlache Strait. Antarctic Journal of the United States 26: 152-154.

  32. 1991 VERNET, M., R. LETELIER and D. M. KARL. RACER: Phytoplankton growth rates in Northern Gerlache Strait during the spring bloom of 1989. Antarctic Journal of the United States 26: 154-156.

  33. 1992 TIEN, G., J. BURGETT, J. DORE, M. GEREN, T. HOULIHAN, R. LETELIER, U. MAGAARD, G. PARRISH, J. SZYPER and D. KARL. Seasonal variability in microbial biomass in the Gerlache Strait: A feast or famine existence. Antarctic Journal of the United States 27: 166-167.

  34. 1992 DORE, J. E. and D. M. KARL. RACER: Distribution of nitrite in the Gerlache Strait. Antarctic Journal of the United States 27: 164-166.

  35. 1992 DORE, J. E., G. TIEN, R. LETELIER, G. PARRISH, J. SZYPER, J. BURGETT and D. M. KARL. RACER: Distributions of nitrogenous nutrients near receding pack ice in Marguerite Bay. Antarctic Journal of the United States 27: 177-179.

  36. 1992 SZYPER, J. P. and D. M. KARL. RACER: Sinking rates and vertical flux of phytoplankton pigments. Antarctic Journal of the United States 27: 168-170.

  37. 1992 CHRISTIAN, J. R. and D. M. KARL. Exocellular enzyme activities in Gerlache Strait, Antarctica. Antarctic Journal of the United States 27: 170-171.

  38. 1992 KARL, D. M., A. AMOS, O. HOLM-HANSEN, M. E. HUNTLEY and M. VERNET. RACER: The Marguerite Bay ice-edge reconnaissance. Antarctic Journal of the United States 27: 175-177.

  39. 1993 TILBROOK, B. D. and D. M. KARL. RACER: Methane enrichments in Port Foster, Deception Island. Antarctic Journal of the United States 28: 165-166.

  40. 1993 DORE, J. E., T. HOULIHAN and D. M. KARL. RACER: Nitrogen remineralization within antarctic sea-ice during the 1992 austral winter. Antarctic Journal of the United States 28: 167-169.

  41. 1993 HOULIHAN, T. and D. M. KARL. Palmer LTER: Dissolved silicic acid-nitrate relationships during austral autumn 1993. Antarctic Journal of the United States 28: 219-221.

  42. 1993 CHRISTIAN, J. R. and D. M. KARL. Palmer LTER: Bacterial exoprotease activity in the Antarctic Peninsula region during austral autumn 1993. Antarctic Journal of the United States 28: 221-222.

  43. 1993 ASPER, V. L., A. R. DIERCKS and D. M. KARL. Palmer LTER: The first profiles of marine snow aggregate abundance from Antarctica. Antarctic Journal of the United States 28: 223-225.

  44. 1993 KARL, D. M., J. RESING, G. TIEN, R. LETELIER and D. JONES. Palmer LTER: Hydrogen peroxide in the Palmer LTER region: I. An introduction. Antarctic Journal of the United States 28: 225-226.

  45. 1993 RESING, J., G. TIEN, R. LETELIER, D. M. KARL and D. JONES. Palmer LTER: Hydrogen peroxide in the Palmer LTER region: II. Water column distribution. Antarctic Journal of the United States 28: 227-229.

  46. 1993 TIEN, G. and D. M. KARL. Palmer LTER: Hydrogen peroxide in the Palmer LTER region: III. Local sources and sinks. Antarctic Journal of the United States 28: 229-230.

  47. 1993 KARL, D. M. and J. RESING. Palmer LTER: Hydrogen peroxide in the Palmer LTER region: IV. Photochemical interactions with dissolved organic matter. Antarctic Journal of the United States 28: 231-234.

  48. 1993 BIRD, D. F., R. MARANGER and D. M. KARL. Palmer LTER: Aquatic virus abundances near the Antarctic Peninsula. Antarctic Journal of the United States 28: 234-235.

  49. 1994 CHRISTIAN, J. R. and D. M. KARL. Palmer LTER: Relative activities of several bacterial exoenzymes in the western Antarctic Peninsula during austral summer: Evidence of sea-ice influence on pelagic bacterial communities. Antarctic Journal of the United States 29: 212- 214.

  50. 1994 KARL, D. M., J. DORE, T. HOULIHAN, D. HEBEL and V. ASPER. The Palmer LTER sediment trap array experiment: Initial results. Antarctic Journal of the United States 29: 222-224.

  51. 1994 MARANGER, R., D. F. BIRD and D. M. KARL. Palmer LTER: Spatial distribution of viruses in the Palmer LTER region. Antarctic Journal of the United States 29: 209-211.

  52. 1995 KARL, D. M. Palmer LTER project SANTA CLAµS: December 1994. Antarctic Journal of the United States 30: 252-254.

  53. 1995 CARRILLO, C. J. and D. M. KARL. RACER: Dissolved inorganic carbon, alkalinity and pH. Antarctic Journal of the United States 30: 153-155.

  54. 1995 LETELIER, R. M., M. R. ABBOTT and D. M. KARL. Southern Ocean optical drifter experiment. Antarctic Journal of the United States 30: 108-110.

  55. 1997 CARRILLO, C. J. and D. M. KARL. Long-Term Ecological Research (LTER) program: Underway semi-continuous measurements of surface ocean CO2 concentrations. Antarctic Journal of the United States 32: 146-148.

  56. 1997 DONACHIE, S. P., L. M. TUPAS, C. J. CARRILLO, D. M. KARL and J. R. CHRISTIAN. A cross site study of microbial ectoenzyme activities and regulation: Preliminary results from the Palmer Long-Term Ecological Research component. Antarctic Journal of the United States 32: 148-151.

  57. 1997 KARL, D. M., D. V. HEBEL and L. M. TUPAS. Biogeochemical studies at the Hawaii Ocean Time- series (HOT) station ALOHA. Joint GCOS GOOS WCRP Ocean Observations Panel for Climate (OOPC), GCOS Report No. 41.


Invited Book Chapters, Book Reviews & Refereed Scientific Publications

  1. 1974 KARL, D. M. Extraction methodology and application of adenosine triphosphate measurements for the study of microbial ecology in water, sand and marine sediments. M.S. Thesis, Florida State University, 165 pp.

  2. 1975 KARL, D. M. and P. A. LAROCK. Adenosine triphosphate measurements in soil and marine sediments. Journal of the Fisheries Research Board of Canada 32: 599-607.

  3. 1976 KARL, D. M., P. A. LAROCK, J. W. MORSE and W. STURGES. Adenosine triphosphate in the North Atlantic Ocean and its relationship to the oxygen minimum. Deep- Sea Research 23: 81-88.

  4. 1976 KARL, D. M. and O. HOLM-HANSEN. Effects of luciferin concentration on the quantitative assay of ATP using crude luciferase preparations. Analytical Biochemistry 75: 100-112.

  5. 1977 KARL, D. M., P. A. LAROCK and D. J. SHULTZ. Adenosine triphosphate and organic carbon in the Cariaco Trench. Deep-Sea Research 24: 105-113.

  6. 1978 KARL, D. M. Distribution, abundance and metabolic states of microorganisms in the water column and sediments of the Black Sea. Limnology and Oceanography 23: 936-949.

  7. 1978 KARL, D. M. Determination of GTP, GDP and GMP in cell and tissue extracts. In M. DeLuca (ed.), Methods in Enzymology, vol. 57, pp. 85-94. Academic Press, New York.

  8. 1978 HOLM-HANSEN, O. and D. M. KARL. Biomass and adenylate energy charge determination in microbial cell extracts and environmental samples. In M. DeLuca (ed.), Methods in Enzymology, vol. 57, 73-85. Academic Press, New York.

  9. 1978 KARL, D. M., J. A. HAUGSNESS, L. CAMPBELL and O. HOLM-HANSEN. Adenine nucleotide extraction from multicellular organisms and beach sand: ATP recovery, energy charge ratios and determination of carbon/ATP ratios. Journal of Experimental Marine Biology and Ecology 34: 163- 181.

  10. 1978 KARL, D. M. and O. HOLM-HANSEN. ATP, ADP and AMP determinations in water samples and algal cultures. In J. A. Hellebust and J. S. Craigie (eds.), Handbook of Phycological Methods, Vol. III. Physiological and Biochemical Methods, pp. 197-206. Cambridge University Press.

  11. 1978 KARL, D. M. and O. HOLM-HANSEN. Methodology and measurement of adenylate energy charge ratios in environmental samples. Marine Biology 48: 185-197.

  12. 1978 KARL, D. M. Occurrence and ecological significance of GTP in the ocean and in microbial cells. Applied and Environmental Microbiology 36: 349-355.

  13. 1978 KARL, D. M. A rapid sensitive method for the measurement of guanine ribonucleotides in bacterial and environmental extracts. Analytical Biochemistry 89: 581-595.

  14. 1978 KARL, D. M. A study of microbial biomass and metabolic activities in marine ecosystems: Development of sensitive techniques and results of selective environmental studies. Ph.D. Dissertation, University of California, San Diego. 320 pp.

  15. 1979 KARL, D. M. Comments on a paper by J. G. Jones and B. M. Simon, "Increased sensitivity in the measurement of ATP in freshwater samples with a comment on the adverse effect of membrane filtration". Freshwater Biology 9: 281-284.

  16. 1979 AZAM, F., J. R. BEERS, L. CAMPBELL, A. F. CARLUCCI, O. HOLM-HANSEN, F. M. H. REID and D. M. KARL. Occurrence and metabolic activity of organisms under the Ross Ice Shelf, Antarctica at station J-9. Science 203: 451-453.

  17. 1979 WEILER, C. S. and D. M. KARL. Diel changes in phased-dividing cultures of Ceratium furca (Dinophyceae): Nucleotide triphosphates, adenylate energy charge, cell carbon, and patterns of vertical migration. Journal of Phycology 15: 384-391.

  18. 1979 KARL, D. M. Adenosine triphosphate and guanosine triphosphate determinations in intertidal sediments. In C. D. Litchfield and P. L. Seyfried (eds.), Methodology for Biomass Determinations and Microbial Activities in Sediments, ASTM STP 673, pp. 5-20. Amer. Soc. Testing and Materials, Philadelphia.

  19. 1979 KARL, D. M. Measurement of microbial activity and growth in the ocean by rates of stable ribonucleic acid synthesis. Applied and Environmental Microbiology 38: 850-860.

  20. 1980 KARL, D. M. and K. H. NEALSON. Regulation of cellular metabolism during synthesis and expression of the luminous system in Beneckea and Photobacterium. Journal of General Microbiology 117: 357-368.

  21. 1980 KARL, D. M., C. O. WIRSEN and H. W. JANNASCH. Deep-sea primary production at the Galapagos hydrothermal vents. Science 207: 1345-1347.

  22. 1980 KARL, D. M. and D. B. CRAVEN. Effects of alkaline phosphatase activity on nucleotide measurements in aquatic microbial communities. Applied and Environmental Microbiology 40: 549-561.

  23. 1980 KARL, D. M. Cellular nucleotide measurements and applications in microbial ecology. Microbiological Reviews 44: 739-796.

  24. 1981 KARL, D. M., C. D. WINN and D. C. L. WONG. RNA synthesis as a measure of microbial growth in aquatic environments. I. Evaluation, verification and optimization of methods. Marine Biology 64: 1-12.

  25. 1981 KARL, D. M., C. D. WINN and D. C. L. WONG. RNA synthesis as a measure of microbial growth in aquatic environments. II. Field applications. Marine Biology 64: 13-21.

  26. 1981 FELLOWS, D. A., D. M. KARL and G. A. KNAUER. Large particle fluxes and the vertical transport of living carbon in the upper 1500 m of the northeast Pacific Ocean. Deep- Sea Research 28: 921-936.

  27. 1981 DELACA, T. E., D. M. KARL and J. H. LIPPS. Direct use of dissolved organic carbon by agglutinated benthic foraminifera. Nature 289: 287-289.

  28. 1981 HODSON, R. E., F. AZAM, A. F. CARLUCCI, J. A. FUHRMAN, D. M. KARL and O. HOLM-HANSEN. Microbial uptake of dissolved organic matter in McMurdo Sound, Antarctica. Marine Biology 61: 89-94.

  29. 1981 KARL, D. M. Simultaneous rates of ribonucleic acid and deoxyribonucleic acid syntheses for estimating growth and cell division of aquatic microbial communities. Applied and Environmental Microbiology 42: 802-810.

  30. 1982 KARL, D. M. Microbial transformations of organic matter at oceanic interfaces: A review and prospectus. EOS, Transactions of the American Geophysical Union 63: 138-140.

  31. 1982 KARL, D. M. Selected nucleic acid precursors in studies of aquatic microbial ecology. Applied and Environmental Microbiology 44: 891-902.

  32. 1983 TAKANO, C. T., C. E. FOLSOME and D. M. KARL. ATP as a biomass indicator for closed ecosystems. Biosystems 16: 75-78.

  33. 1983 LAWS, E. A., D. G. REDALJE, D. M. KARL and M. S. CHALUP. A theoretical and experimental examination of the predictions of two recent models of phytoplankton growth. Journal of Theoretical Biology 105: 469-491.

  34. 1983 LAWS, E. A., D. M. KARL, D. G. REDALJE, R. S. JURICK and C. D. WINN. Variability in ratios of phytoplankton carbon and RNA to ATP and chlorophyll a in batch and continuous cultures. Journal of Phycology 19: 439-445.

  35. 1984 COSTA-PIERCE, B. A., D. B. CRAVEN, D. M. KARL and E. A. LAWS. Correlation of in situ respiration rates and microbial biomass in prawn (Macrobrachium rosenbergii) ponds. Aquaculture 37: 157-168.

  36. 1984 KARL, D. M. and C. D. WINN. Adenine metabolism and nucleic acid synthesis: Applications to microbiological oceanography. In J. E. Hobbie and P. J. leB. Williams (eds.), Heterotrophic activity in the sea, pp. 197-215. Plenum Publishing Corp.

  37. 1984 KARL, D. M. and G. A. KNAUER. Vertical distribution, transport, and exchange of carbon in the northeast Pacific Ocean: evidence for multiple zones of biological activity. Deep-Sea Research 31: 221-243.

  38. 1984 WINN, C. D. and D. M. KARL. Microbial productivity and community growth rate estimates in the tropical North Pacific Ocean. Biological Oceanography 3: 123-145.

  39. 1984 BURNS, D., C. ANDREWS, D. CRAVEN, K. ORRETT, B. PIERCE and D. KARL. Microbial biomass, rates of DNA synthesis and estimated carbon production in Kaneohe Bay, Hawaii. Bulletin of Marine Science 34: 346-357.

  40. 1984 ANDREWS, C. C., D. M. KARL, L. F. SMALL and S. W. FOWLER. Metabolic activity and bioluminescence of oceanic faecal pellets and sediment trap particles. Nature 307: 539-541.

  41. 1984 KNAUER, G. A., D. M. KARL, J. MARTIN and C. HUNTER. In situ effects of selected preservatives on total carbon, nitrogen and metals collected in sediment traps. Journal of Marine Research 42: 445-462.

  42. 1984 WINN, C. D. and D. M. KARL. Laboratory calibrations of the [3H]-adenine technique for measuring rates of RNA and DNA synthesis in marine microorganisms. Applied and Environmental Microbiology 47: 835-842.

  43. 1984 KARL, D. M. and G. A. KNAUER. Detritus-Microbe interactions in the marine pelagic environment: Selected results from the VERTEX experiment. Bulletin of Marine Science 35: 550-565.

  44. 1984 LAWS, E. A., D. G. REDALJE, L. W. HAAS, P. K. BIENFANG, R. W. EPPLEY, W. G. HARRISON, D. M. KARL and J. MARRA. High phytoplankton growth and production rates in oligotrophic Hawaiian coastal waters. Limnology and Oceanography 29: 1161-1169.

  45. 1984 KARL, D. M., G. KNAUER, J. MARTIN and B. WARD. Bacterial chemolithotrophy in the ocean is associated with sinking particles. Nature 309: 54-56.

  46. 1984 KARL, D. M., D. BURNS, K. ORRETT and H. W. JANNASCH. Thermophilic microbial activity in samples from deep-sea hydrothermal vents. Marine Biology Letters 5: 227-231.

  47. 1984 CRAVEN, D. B. and D. M. KARL. Microbial RNA and DNA synthesis in marine sediments. Marine Biology 83: 129-139.

  48. 1985 KARL, D. M. and P. BOSSARD. Measurement and significance of ATP and adenine nucleotide pool turnover in microbial cells and environmental samples. Journal of Microbiological Methods 3: 125- 139.

  49. 1985 KARL, D. M. and P. BOSSARD. Measurement of microbial nucleic acid synthesis and specific growth rate by 32PO4 and [3H]adenine: Field comparison. Applied and Environmental Microbiology 50: 706-709.

  50. 1985 KARL, D. M. Effects of temperature on the growth and viability of hydrothermal vent microbial communities. Biological Society of Washington Bulletin 6: 345-353.

  51. 1985 NOVITSKY, J. A. and D. M. KARL. Influence of deep ocean sewage outfalls on microbial activity of the surrounding sediment. Applied Environmental Microbiology 50: 1464-1473.

  52. 1986 KARL, D. M. Determination of in situ microbial biomass, viability, metabolism and growth. In J. S. Poindexter and E. R. Leadbetter (eds.), Bacteria in nature, vol. 2, pp. 85-176. Plenum Publishing Corp.

  53. 1986 WINN, C. D. and D. M. KARL. Diel nucleic acid synthesis and particulate DNA concentrations: Conflicts with division rate estimates by DNA accumulation. Limnology and Oceanography 31: 637-645.

  54. 1986 NOVITSKY, J. A. and D. M. KARL. Characterization of microbial activity in the surface layers of a coastal sub-tropical sediment. Marine Ecology Progress Series 28: 49-55.

  55. 1986 BOSSARD, P. and D. M. KARL. The direct measurement of ATP and adenine nucleotide pool turnover in microorganisms: A new method for environmental assessment of metabolism, energy flux and phosphorus dynamics. Journal of Plankton Research 8: 1-13.

  56. 1986 TAYLOR, G. T., D. M. KARL and M. L. PACE. Impact of bacteria and zooflagellates on the composition of sinking particles: An in situ experiment. Marine Ecology Progress Series 29: 141-155.

  57. 1986 RAU, G. H., D. M. KARL and R. S. CARNEY. Does inorganic carbon assimilation cause 14C depletion in deep-sea organisms? Deep-Sea Research 33: 349-357.

  58. 1986 WINN, C. D., D. M. KARL and G. J. MASSOTH. Microorganisms in deep-sea hydrothermal plumes. Nature 320: 744-746.

  59. 1986 LAWS, E. A., D. JONES and D. M. KARL. Method for assessing heterogeneity in turnover rates within microbial communities. Applied and Environmental Microbiology 52: 866-874.

  60. 1986 KARL, D. M. and C. D. WINN. Does adenine incorporation into nucleic acids measure total microbial production?: A response to comments by Fuhrman et al. Limnology and Oceanography 31: 1384-1394.

  61. 1987 KARL, D. M., D. R. JONES, J. A. NOVITSKY, C. D. WINN and P. BOSSARD. Specific growth rates of natural microbial communities measured by adenine nucleotide pool turnover. Journal of Microbiological Methods 6: 221-235.

  62. 1987 KARL, D. M. Bacterial production at deep-sea hydrothermal vents and cold seeps: Evidence for chemosynthetic primary production. In M. Fletcher, T. R. Gray and J. G. Jones (eds.), Ecology of microbial communities. Proceedings of the forty-first symposium of the Society for General Microbiology, pp. 319-360. Cambridge University Press.

  63. 1987 ORRETT, K. and D. KARL. Dissolved organic phosphorus production in surface waters. Limnology and Oceanography 32: 383-395.

  64. 1987 BRADNER, H., M. BARTLETT, G. BLACKINTON, J. CLEM, D. KARL, J. LEARNED, A. LEWITUS, S. MATSUNO, D. O'CONNOR, W. PEATMEN, M. REICHLE, C. ROOS, J. WATERS, M. WEBSTER and M. YARBOROUGH. Bioluminescence profile in the deep Pacific Ocean. Deep-Sea Research 34: 1831-1840.

  65. 1987 MARTIN, J. H., G. A. KNAUER, D. M. KARL and W. W. BROENKOW. VERTEX: Carbon cycling in the northeast Pacific. Deep-Sea Research 34: 267-285.

  66. 1987 PACE, M. L., G. A. KNAUER, D. M. KARL and J. H. MARTIN. Primary production, new production and vertical flux in the eastern Pacific Ocean. Nature 325: 803-804.

  67. 1987 BERMAN, T., M. NAWROCKI, G. T. TAYLOR and D. M. KARL. Nutrient flux between bacteria, bacterivorous nanoplanktonic protists and algae. Marine Microbial Food Webs 2: 69-82.

  68. 1988 KARL, D. M., G. A. KNAUER and J. H. MARTIN. Downward flux of particulate organic matter in the ocean: A particle decomposition paradox. Nature 332: 438-441.

  69. 1988 KARL, D. M., G. T. TAYLOR, J. A. NOVITSKY, H. W. JANNASCH, C. O. WIRSEN, N. R. PACE, D. J. LANE, G. J. OLSEN and S. R. GIOVANNONI. A microbiological study of Guaymas Basin high temperature hydrothermal vents. Deep-Sea Research 35: 777-791.

  70. 1988 KARL, D. M., G. M. MCMURTRY, A. MALAHOFF and M. O. GARCIA. Loihi Seamount Hawaii: A mid-plate volcano with a distinctive hydrothermal system. Nature 335: 532-535.

  71. 1988 KARL, D. M. and J. A. NOVITSKY. Dynamics of microbial growth in surface layers of a coastal marine sediment ecosystem. Marine Ecology Progress Series 50: 169-176.

  72. 1989 LAWS, E. A., G. R. DITULLIO, P. R. BETZER, D. M. KARL and K. L. CARDER. Autotrophic production and elemental fluxes at 26°N, 155° W in the North Pacific subtropical gyre. Deep-Sea Research 36: 103-120.

  73. 1989 KARL, D. M. and M. D. BAILIFF. The measurement and distribution of dissolved nucleic acids in aquatic environments. Limnology and Oceanography 34: 543-558.

  74. 1989 KARL, D. M. and G. A. KNAUER. Swimmers: A recapitulation of the problem and a potential solution. Oceanography 2: 32-35.

  75. 1989 NAWROCKI, M. P. and D. M. KARL. Dissolved ATP turnover in the Bransfield Strait, Antarctica during a spring bloom. Marine Ecology Progress Series 57: 35-44.

  76. 1989 HOLM-HANSEN, O., B. G. MITCHELL, C. D. HEWES and D. M. KARL. Phytoplankton blooms in the vicinity of Palmer Station, Antarctica. Polar Biology 10: 49-57.

  77. 1989 HABERSTROH, P. and D. KARL. Dissolved free amino acids in hydrothermal vent habitats of the Guaymas Basin. Geochimica et Cosmochimica Acta 53: 2937-2945.

  78. 1989 KARL, D. M., A. BRITTAIN and B. TILBROOK. Hydrothermal and microbial processes at Loihi Seamount, a mid-plate hot-spot volcano. Deep-Sea Research 36: 1655- 1673.

  79. 1990 KARL, D. M. Book Review of "Microbial Ecosystems of Antarctica" by W. F. Vincent. Quarterly Review of Biology 65: 83-84.

  80. 1990 KARL, D. M. Book Review of "Polar Oceanography, Part B: Chemistry, Biology and Geology" by W. O. Smith, Jr. Biomass: Biological Investigations of Marine Antarctic Systems and Stocks 12: 15- 16.

  81. 1990 BRITTAIN, A. M. and D. M. KARL. Catabolism of tritiated thymidine by aquatic microbial communities and incorporation of tritium into RNA and protein. Applied and Environmental Microbiology 56: 1245-1254.

  82. 1990 KENNICUTT, M. C., II, S. T. SWEET, W. FRASER, M. E. CULVER, W. L. STOCKTON, K. DUNTON, L. MARTIN, D. M. KARL, L. QUETIN, D. LAUR, C. D. AMSLER, R. M. ROSS, R. ROWLEY, M. NEUSHUL, J. HYLAND, J. KENNETT, J. CAMPBELL, M. FRY, B. TODD, A. BENNETT, Z. A. EPPLEY, M. RUBEGA, T. TARGETT, P. GRECAY, O. L. PALMA, G. FERRERYA and V. ALDER. Oil Spillage in Antarctica: Initial report of the National Science Foundation (NSF)-sponsored Quick Response Team on the grounding of the Bahia Paraiso. Environmental Science and Technology 24: 620-624.

  83. 1990 KNAUER, G. A., D. G. REDALJE, W. G. HARRISON and D. M. KARL. New production at the VERTEX time-series site. Deep-Sea Research 37: 1121-1134.

  84. 1991 WEBSTER, M. S., C. E. ROOS, A. ROBERTS, A. OKADA, Y. OHASHI, D. O'CONNOR, R. MITIGUY, S. MATSUNO, R. MARCH, J. G. LEARNED, D. KARL, J. CLEM, G. BLACKINTON, H. BRADNER and J. BABSON. Mechanical stimulation of bioluminescence in the deep Pacific Ocean. Deep-Sea Research 38: 201-217.

  85. 1991 KARL, D. M., W. G. HARRISON, J. DORE et al. Chapter 3. Major Bioelements Workshop Report. In: D. C. Hurd and D. W. Spencer, eds., "Marine Particles: Analysis and Characterization," pp. 33-42. American Geophysical Union, Geophysical Monograph 63.

  86. 1991 KARL, D. M., J. E. DORE, D. V. HEBEL and C. WINN. Procedures for particulate carbon, nitrogen, phosphorus and total mass analyses used in the US-JGOFS Hawaii Ocean Time-Series Program. In: D. Spencer and D. Hurd, eds., "Marine Particles: Analysis and Characterization," pp. 71-77. American Geophysical Union, Geophysical Monograph 63.

  87. 1991 KARL, D. M. RACER: Research on Antarctic Coastal Ecosystem Rates, Preface. Deep-Sea Research 38: v-vii.

  88. 1991 HUNTLEY, M. E., D. M. KARL, P. NIILER and O. HOLM-HANSEN. Research on Antarctic Coastal Ecosystem Rates (RACER): An interdisciplinary field experiment. Deep- Sea Research 38: 911- 941.

  89. 1991 KARL, D. M., O. HOLM-HANSEN, G. T. TAYLOR, G. TIEN and D. F. BIRD. Microbial biomass and productivity in the western Bransfield Strait, Antarctica during the 1986-87 austral summer. Deep-Sea Research 38: 1029-1055.

  90. 1991 BIRD, D. F. and D. M. KARL. Spatial patterns of glutamate and thymidine assimilation in Bransfield Strait, Antarctica during and following the austral spring bloom. Deep-Sea Research 38: 1057- 1075.

  91. 1991 BAILIFF, M. D. and D. M. KARL. Dissolved and particulate DNA dynamics during a spring bloom in the Antarctic Peninsula region, 1986-87. Deep-Sea Research 38: 1077-1095.

  92. 1991 KARL, D. M., B. D. TILBROOK and G. TIEN. Seasonal coupling of organic matter production and particle flux in the Western Bransfield Strait, Antarctica. Deep-Sea Research 38: 1097- 1126.

  93. 1991 HUNTLEY, M. E., M. D. G. LOPEZ and D. M. KARL. Top predators in the Southern Ocean: A major leak in the biological carbon pump. Science 253: 64-66.

  94. 1991 KARL, D. M. and G. A. KNAUER. Microbial production and particle flux in the upper 350 m of the Black Sea. Deep-Sea Research 38(Supplement 2): S921-S942.

  95. 1991 BIRD, D. F. and D. M. KARL. Microbial biomass and population diversity in the upper water column of the Black Sea. Deep-Sea Research 38(Supplement 2): S1069-S1082.

  96. 1991 TAYLOR, G. T. and D. M. KARL. Vertical fluxes of biogenic particles and associated biota in the eastern North Pacific: Implications for biogeochemical cycling and productivity. Global Biogeochemical Cycles 5: 289-303.

  97. 1991 KARL, D. M. and C. D. WINN. A sea of change: Monitoring the oceans' carbon cycle. Environmental Science and Technology, 25: 1976-1981.

  98. 1992 KARL, D. M., R. LETELIER, D. V. HEBEL, D. F. BIRD and C. D. WINN. Trichodesmium blooms and new nitrogen in the North Pacific gyre. In E. J. Carpenter, D. G. Capone and J. G. Rueter (eds.), Marine pelagic cyanobacteria: Trichodesmium and other diazotrophs, pp. 219-237. Kluwer Academic Publishers, The Netherlands.

  99. 1992 KARL, D. M. and G. TIEN. MAGIC: A sensitive and precise method for measuring dissolved phosphorus in aquatic environments. Limnology and Oceanography 37: 105-116.

  100. 1992 KARL, D. M. The grounding of the Bahia Paraiso: Microbial ecology of the 1989 Antarctic oil spill. Microbial Ecology, 24: 77-89.

  101. 1992 HARRISON, W. G., L. R. HARRIS, D. M. KARL, G. A. KNAUER and D. G. REDALJE. Nitrogen dynamics at the VERTEX time-series site. Deep-Sea Research, 39: 1535-1552.

  102. 1992 HUNTLEY, M. E., M. D. G. LOPEZ and D. M. KARL. A response to comment by C. L. Moloney on "Carbon and the Antarctic Marine Food Web". Science 257: 259-260.

  103. 1992 KARL, D. M. The oceanic carbon cycle: Primary production and carbon flux in the oligotrophic North Pacific Ocean. In Y. Oshima (ed.), IGBP International Symposium on Global Change, pp. 203- 219. Japan National Committee for the IGBP, Waseda University, Tokyo, Japan.

  104. 1993 KARL, D. M., G. TIEN, J. DORE and C. D. WINN. Total dissolved nitrogen and phosphorus concentrations at U.S.-JGOFS Station ALOHA: Redfield reconciliation. Marine Chemistry 41: 203-208.

  105. 1993 SHARP, J. H., E. T. PELTZER, M. J. ALPERIN, G. CAUWET, J. W. FARRINGTON, B. FRY, D. M. KARL, J. H. MARTIN, A. SPITZY, S. TUGRUL and C. A. CARLSON. Procedures subgroup report. Marine Chemistry 41: 37-49.

  106. 1993 KARL, D. M. Microbial processes in the Southern Ocean. In E. I. Friedmann, ed., Antarctic Microbiology, pp. 1-63. John Wiley and Sons, Inc.

  107. 1993 SELPH, K. E., D. M. KARL and M. R. LANDRY. Quantification of chemiluminescent DNA probes using liquid scintillation counting. Analytical Biochemistry 210: 394-401.

  108. 1993 SAMBROTTO, R.N., G. SAVIDGE, C. ROBINSON, P. BOYD, T. TAKAHASHI, D. M. KARL, C. LANGDON, D. CHIPMAN, J. MARRA and L. CODISPOTI. Elevated consumption of carbon relative to nitrogen in the surface ocean. Nature 363: 248-250.

  109. 1993 KARL, D. M. Adenosine triphosphate (ATP) and total adenine nucleotide (TAN) pool turnover rates as measures of energy flux and specific growth rate in natural populations of microorganisms. In P. F. Kemp, B. F. Sherr, E. B. Sherr and J. J. Cole (eds.), Handbook of methods in aquatic microbial ecology, pp. 483-494. Lewis Publishers, Boca Raton, Florida.

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  113. 1993 LETELIER, R. M., R. R. BIDIGARE, D. V. HEBEL, M. ONDRUSEK, C. D. WINN and D. M. KARL. Temporal variability of phytoplankton community structure based on pigment analysis. Limnology and Oceanography 38: 1420-1437.

  114. 1993 KARL, D. M. and D. F. BIRD. Bacterial-algal interactions in Antarctic coastal ecosystems. In R. Guerrero and C. Pedros-Alio (eds.), Trends in microbial ecology, Sixth International Symposium on Microbial Ecology, pp. 37-40.

  115. 1994 MOYER, C. L., F. C. DOBBS and D. M. KARL. Estimation of diversity and community structure through restriction fragment length polymorphism distribution analysis of bacterial 16S rRNA genes from a microbial mat at an active, hydrothermal vent system, Loihi Seamount, Hawaii. Applied and Environmental Microbiology 60: 871-879.

  116. 1994 TUPAS, L. M., B. N. POPP and D. M. KARL. Dissolved organic carbon in oligotrophic waters: experiments on sample preservation, storage and analysis. Marine Chemistry 45: 207-216.

  117. 1994 KARL, D. M. and B. D. TILBROOK. Production and transport of methane in oceanic particulate organic matter. Nature 368: 732-734.

  118. 1994 TUPAS, L. M., I. KOIKE, D. M. KARL and O. HOLM-HANSEN. Nitrogen metabolism by heterotrophic bacterial assemblages in Antarctic coastal waters. Polar Biology 14: 195-204.

  119. 1994 BAINES, S. B., M. L. PACE and D. M. KARL. Why does the relationship between sinking flux and planktonic primary production differ between lakes and oceans? Limnology and Oceanography 39: 213-226.

  120. 1994 WINN, C. D., F. T. MACKENZIE, C. J. CARRILLO, C. L. SABINE and D. M. KARL. Air-sea carbon dioxide exchange in the North Pacific subtropical gyre: Implications for the global carbon budget. Global Biogeochemical Cycles 8: 157-163.

  121. 1994 CHRISTIAN, J. R. and D. M. KARL. Microbial community structure at the U.S.-Joint Global Ocean Flux Study Station ALOHA: Inverse methods for estimating biochemical indicator ratios. Journal of Geophysical Research 99: 14,269-14,276.

  122. 1994 TILBROOK, B. D. and D. M. KARL. Dissolved methane distributions, sources, and sinks in the Western Bransfield Strait, Antarctica. Journal of Geophysical Research 99: 16,383-16,393.

  123. 1994 BJÖRKMAN, K. and D. M. KARL. Bioavailability of inorganic and organic phosphorus compounds to natural assemblages of microorganisms in Hawaiian coastal waters. Marine Ecology Progress Series 111: 265-273.

  124. 1994 KARL, D. M. Accurate estimation of microbial loop processes and rates. Microbial Ecology 28: 147-150.

  125. 1995 KARL, D. M., R. LETELIER, D. HEBEL, L. TUPAS, J. DORE, J. CHRISTIAN and C. WINN. Ecosystem changes in the North Pacific subtropical gyre attributed to the 1991-92 El Niño. Nature 373: 230-234.

  126. 1995 TILBROOK, B. D. and D. M. KARL. Methane sources, distributions and sinks from California coastal waters to the oligotrophic North Pacific gyre. Marine Chemistry 49: 51-64.

  127. 1995 MOYER, C. L., F. C. DOBBS and D. M. KARL. Phylogenetic diversity of the bacterial community from a microbial mat at an active, hydrothermal vent system, Loihi Seamount, Hawaii. Applied and Environmental Microbiology 61: 1555-1562.

  128. 1995 CHAVEZ, F. P., K. R. BUCK, R. R. BIDIGARE, D. M. KARL, D. HEBEL, M. LATASA, L. CAMPBELL and J. NEWTON. On the chlorophyll a retention properties of glass-fiber GF/F filters. Limnology and Oceanography 40: 428-433.

  129. 1995 JONES, D. R., D. M. KARL and E. A. LAWS. DNA:ATP ratios in marine microalgae and bacteria: Implications for growth rate estimates based on rates of DNA synthesis. Journal of Phycology 31: 215-223.

  130. 1995 KARL, D. M. Ecology of free-living, hydrothermal vent microbial communities. In D. M. Karl (ed.), The microbiology of deep-sea hydrothermal vents. CRC Press, Boca Raton, pp. 35-124.

  131. 1995 WINN, C. D., J. P. COWEN and D. M. KARL. Microbes in deep-sea hydrothermal plumes. In D. M. Karl (ed.), The microbiology of deep-sea hydrothermal vents. CRC Press, Boca Raton, pp. 255- 273.

  132. 1995 CHRISTIAN, J. R. and D. M. KARL. Measuring bacterial ectoenzyme activities in marine waters using mercuric chloride as a preservative and a control. Marine Ecology Progress Series 123: 217-224.

  133. 1995 CHRISTIAN, J. R. and D. M. KARL. Bacterial ectoenzymes in marine waters: Activity ratios and temperature responses in three oceanographic provinces. Limnology and Oceanography 40: 1042- 1049.

  134. 1995 SMITH, R. C., K. S. BAKER, W. R. FRASER, E. E. HOFMANN, D. M. KARL, J. M. KLINCK, L. B. QUETIN, B. B. PRÉZELIN, R. M. ROSS, W. Z. TRIVELPIECE and M. VERNET. The Palmer LTER: A Long-Term Ecological Research Program at Palmer Station, Antarctica. Oceanography 8: 77-86.

  135. 1995 KARL, D. M. A reply to J. A. McGowan on "HOT and the North Pacific Gyre." Nature 378: 21- 22.

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  137. 1995 SABINE, C. L., F. T. MACKENZIE, C. WINN and D. M. KARL. Geochemistry of carbon dioxide in seawater at the Hawaii Ocean Time series station, ALOHA. Global Biogeochemical Cycles 9: 637-651.

  138. 1996 LETELIER, R. M. and D. M. KARL. Role of Trichodesmium spp. in the productivity of the subtropical North Pacific Ocean. Marine Ecology Progress Series 133: 263-273.

  139. 1996 KARL, D. M. and A. F. MICHAELS. Preface: The Hawaiian Ocean Time-series (HOT) and Bermuda Atlantic Time-series Study (BATS). Deep-Sea Research II 43; 127-128.

  140. 1996 KARL, D. M. and R. LUKAS. The Hawaii Ocean Time-series (HOT) Program: Background, rationale and field implementation. Deep-Sea Research II 43; 129-156.

  141. 1996 DORE, J. E. and D. M. KARL. Nitrite distributions and dynamics at Station ALOHA. Deep-Sea Research II 43: 385-402.

  142. 1996 LETELIER, R. M., J. E. DORE, C. D. WINN and D. M. KARL. Seasonal and interannual variations in photosynthetic carbon assimilation at Station ALOHA. Deep-Sea Research II 43: 467- 490.

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  144. 1996 FELLER, R. J. and D. M. KARL. The National Association of Marine Laboratories: A connected web for studying long-term changes in U.S. coastal and marine waters. Biological Bulletin 190: 269-277.

  145. 1996 MOYER, C. L., J. M. TIEDJE, F. C. DOBBS and D. M. KARL. A computer- simulated restriction fragment length polymorphism analysis of bacterial small-subunit rRNA genes: Efficacy of selected tetrameric restriction enzymes for studies of microbial diversity in nature. Applied and Environmental Microbiology 62: 2501-2507.

  146. 1996 DORE, J. E., T. HOULIHAN, D. V. HEBEL, G. TIEN, L. TUPAS and D. M. KARL. Freezing as a method of sample preservation for the analysis of dissolved inorganic nutrients in seawater. Marine Chemistry 53: 173-185.

  147. 1996 KARL, D. M., J. R. CHRISTIAN, J. E. DORE and R. M. LETELIER. Microbiological oceanography in the region west of the Antarctic Peninsula: Microbial dynamics, nitrogen cycle and carbon flux. In R. M. Ross, E. E. Hofmann and L. B. Quetin (eds.), Foundations for ecological research west of the Antarctic Peninsula. Antarctic Research Series, vol. 70. American Geophysical Union, Washington, D.C., pp. 303-332.

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  149. 1996 DORE, J. E. and D. M. KARL. Nitrification in the euphotic zone as a source for nitrite, nitrate and nitrous oxide at Station ALOHA. Limnology and Oceanography 41: 1619- 1628.

  150. 1996 JONES, D. R., D. M. KARL and E. A. LAWS. Growth rates and production of heterotrophic bacteria and phytoplankton in the North Pacific subtropical gyre. Deep-Sea Research I 43: 1567-1580.

  151. 1997 KARL, D. M. and G. TIEN. Temporal variability in dissolved phosphorus concentrations in the subtropical North Pacific Ocean. Marine Chemistry 56: 77-96.

  152. 1997 LETELIER, R. M., M. R. ABBOTT and D. M. KARL. Chlorophyll natural fluorescence response to upwelling events in the Southern Ocean. Geophysical Research Letters 24: 409-412.

  153. 1997 KARL, D., R. LETELIER, L. TUPAS, J. DORE, J. CHRISTIAN and D. HEBEL. The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean. Nature 388: 533-538.

  154. 1997 CHRISTIAN, J. R., M. R. LEWIS and D. M. KARL. Vertical fluxes of carbon, nitrogen and phosphorus in the North Pacific subtropical gyre near Hawaii. Journal of Geophysical Research 102: 15,667-15,677.

  155. 1997 KARL, D. M. and K. YANAGI. Partial characterization of the dissolved organic phosphorus pool in the oligotrophic North Pacific Ocean. Limnology and Oceanography 42: 1398-1405.

  156. 1997 EMERSON, S., P. QUAY, D. KARL, C. WINN, L. TUPAS and M. LANDRY. Experimental determination of the organic carbon flux from open-ocean surface waters. Nature 389: 951-954.

  157. 1997 KARL, D. M. Oceanic carbon cycle and global environmental change: A microbiological perspective. In M. T. Martins et al. (eds.), Progress in Microbial Ecology. Proceedings of the Seventh International Symposium on Microbial Ecology, Santos, Sao Paulo, Brazil, 1995. Sociedade Brasileira de Microbiologia / International Committee of Microbial Ecology, Brazil, pp. 163-172.

  158. 1998 KARL, D. M. and F. C. DOBBS. Molecular approaches to microbial biomass estimation in the sea. In K. E. Cooksey (ed.), Molecular Approaches to the Study of the Ocean. Chapman & Hall, London, pp. 29-89.

  159. 1998 WINN, C. D., Y.-H. Li, F. T. MACKENZIE and D. M. KARL. Rising surface ocean dissolved inorganic carbon at the Hawaii Ocean Time-series site. Marine Chemistry 60: 33-47.

  160. 1998 LETELIER, R. M. and D. M. KARL. Trichodesmium spp. physiology and nutrient fluxes in the North Pacific subtropical gyre. Aquatic Microbial Ecology 15: 265-276.

  161. 1998 CHRISTIAN, J. R. and D. M. KARL. Ectoaminopeptidase specificity and regulation in Antarctic marine pelagic microbial communities. Aquatic Microbial Ecology 15: 303-310.

  162. 1998 MOYER, C. L., J. M. TIEDJE, F. C. DOBBS and D. M. KARL. Diversity of deep-sea hydrothermal vent Archaea at Loihi Seamount, Hawaii. Deep-Sea Research II 45: 303-317.

  163. 1998 KARL, D. M., D. V. HEBEL, K. BJÖRKMAN and R. M. LETELIER. The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean. Limnology and Oceanography 43: 1270-1286.

  164. 1998 THOMSON-BULLDIS, A. and D. KARL. Application of a novel method for phosphorus determinations in the oligotrophic North Pacific Ocean. Limnology and Oceanography 43: 1565-1577.

  165. 1998 DORE, J. E., B. N. POPP, D. M. KARL and F. J. SANSONE. A large source of atmospheric nitrous oxide from subtropical North Pacific surface waters. Nature 396: 63-66.

  166. 1999 SCHAREK, R., M. LATASA, D. M. KARL and R. R. BIDIGARE. Temporal variations in diatom abundance and downward vertical flux in the oligotrophic North Pacific gyre. Deep-Sea Research I 46: 1051-1075.

  167. 1999 KARL, D. M. A farewell tribute to the Antarctic research vessel Polar Duke. Oceanography 12: 7-18.

  168. 1999 KARL, D. M. A sea of change: Biogeochemical variability in the North Pacific subtropical gyre. Ecosystems 2: 181-214.

  169. 1999 CARRILLO, C. J. and D. M. KARL. Dissolved inorganic carbon pool dynamics in Northern Gerlache Strait, Antarctica. Journal of Geophysical Research 104: 15,873-15,884.

  170. 1999 MURRAY, A. E., K.Y. WU, C. L. MOYER, D. M. KARL and E. F. DeLONG. Evidence for circumpolar distribution of planktonic Archaea in the Southern Ocean. Aquatic Microbial Ecology 18: 263-273.

  171. 1999 SCHAREK, R., L. M. TUPAS and D. M. KARL. Diatom fluxes to the deep sea in the oligotrophic North Pacific gyre at Station ALOHA. Marine Ecology Progress Series 182: 55-67.

  172. 1999 DONACHIE, S. P., R. A. KINZIE III, R. R. BIDIGARE, D. W. SADLER and D. M. KARL. Lake Kauhako, Molokai, Hawaii: Biological and chemical aspects of a morpho-ectogenic meromictic lake. Aquatic Microbial Ecology 19: 93-103.

  173. 1999 BIRD, D. F. and D. M. KARL. Uncoupling of bacteria and phytoplankton during the austral spring bloom in Gerlache Strait, Antarctic Peninsula. Aquatic Microbial Ecology 19: 13-27.

  174. 1999 KARL, D. M., D. F. BIRD, K. BJÖRKMAN, T. HOULIHAN, R. SHACKELFORD and L. TUPAS. Microorganisms in the accreted ice of Lake Vostok, Antarctica. Science 286: 2144-2147.

  175. 1999 BELL, R. E. and D. M. KARL. Evolutionary processes a focus of decade-long ecosystem study of Antarctic's Lake Vostok. EOS, Transactions of the American Geophysical Union 80: 573, 579.

  176. 1999 EMERSON, S. and D. M. KARL. The biological carbon pump in the subtropical Pacific Ocean: Nutrient limitations and CO2 fluxes. In Y. Noriji (ed.), Proceedings of the 2nd International symposium on CO2 in the Oceans, NIES, Tsukuba, Japan, pp. 317-323.

  177. 2000 MICHAELS, A. F., D. M. KARL and A. H. KNAP. Temporal studies of biogeochemical dynamics in oligotrophic oceans. In R. Hanson, H. Ducklow and J. Field (eds.), The Changing Ocean Carbon Cycle in the Sea, Cambridge Univ. Press, UK, pp. 392-413.

  178. 2000 LI, Y.-H., D. M. KARL, C. D. WINN, F. T. MACKENZIE and K. GANS. Remineralization ratios in the subtropical North Pacific gyre. Aquatic Geochemistry, 6:65-86.

  179. 2000 KARL, D. M. A new source of "new" nitrogen in the sea. Trends in Microbiology 8: 301 (Comment section).

  180. 2000 KARL, D.M. Phosphorus, the staff of life. Nature 406: 31,33 (News and Views section).

  181. 2000 WU, J., W. SUNDA, E. A. BOYLE and D. M. KARL. Phosphate depletion in the western North Atlantic Ocean. Science 289: 759-762.

  182. 2000 BJÖRKMAN, K., A. L. THOMSON-BULLDIS and D. M. KARL. Phosphorus dynamics in the North Pacific subtropical gyre. Aquatic Microbial Ecology, 22: 185-198.

  183. 2000 OSTROM, N. E., M. E. RUSS, B. POPP, T. M. RUST and D. M. KARL. Mechanisms of nitrous oxide production in the subtropical North Pacific based on determinations of the isotopic abundances of nitrous oxide and di-oxygen. Chemosphere - Global Change Science 2: 281-290.

  184. 2000 LETELIER, R. M., D. M. KARL, M. R. ABBOTT, P. FLAMENT, M. FREILICH, R. LUKAS and T. STRUB. The role of late winter meso-scale events in the biogeochemical variability of the upper water column of the North Pacific Subtropical Gyre. Journal of Geophysical Research 105: 28,723-28,739.

  185. 2000 TREES, C. C., R. R. BIDIGARE, D. M. KARL and L. VAN HEUKELEM. Fluorometric chlorophyll a: Sampling, laboratory methods, and data analysis protocols. In G. S. Fargion and J. L. Mueller (eds.), Ocean Optics Protocols for Satellite Ocean Color Sensor Validation: Revision 2.0 NASA/TM-2000-209966, National Aeronautics and Space Administration, Greenbelt, MD, pp. 162-169.

  186. 2001 KARL, D. M. A sea of microbes: Review of book edited by D. L. Kirchman entitled "Microbial Ecology of the Oceans". Trends in Microbiology, 9:44-45.

  187. 2001 KARNER, M. B., E. F. DELONG and D. M. KARL. Archaeal dominance in the mesopelagic zone of the Pacific Ocean, Nature, 409: 507-510.

  188. 2001 SIEGEL, D. A., D. M. KARL and A. F. MICHAELS. Interpretations of biogeochemical processes from the US-JGOFS Bermuda and Hawaii time-series sites. Deep-Sea Research II 48: 1403-1404 (Editorial).

  189. 2001 ONDRUSEK, M. E., R. R. BIDIGARE, K. WATERS and D. M. KARL. A predictive model for estimating rates of primary production in the subtropical North Pacific Ocean. Deep-Sea Research II, 48: 1837-1863.

  190. 2001 KARL, D. M., R. R. BIDIGARE and R. M. LETELIER. Long-term changes in plankton community structure and productivity in the North Pacific subtropical Gyre: The domain shift hypothesis. Deep-Sea Research II, 48: 1449-1470.

  191. 2001 DONACHIE, S. P., J. R. CHRISTIAN and D. M. KARL. Nutrient regulation of bacterial production and ectoenzyme activities in the subtropical North Pacific Ocean. Deep-Sea Research II, 48: 1719-1732.

  192. 2001 HEBEL, D. V. and D. M. KARL. Seasonal, interannual and decadal variations in particulate matter concentrations and composition in the subtropical North Pacific Ocean. Deep-Sea Research II, 48: 1669-1695.

  193. 2001 KARL, D. M., K. M. BJÖRKMAN, J. E. DORE, L. FUJIEKI, D. V. HEBEL, T. HOULIHAN, R. M. LETELIER and L. M. TUPAS. Ecological nitrogen-to-phosphorus stoichiometry at Station ALOHA. Deep-Sea Research II, 48: 1529-1566.

  194. 2001 KARL, D. M. and K. M. BJÖRKMAN. Phosphorus cycle in seawater: Dissolved and particulate pool inventories and selected phosphorus fluxes. In J. H. Paul (ed.), Methods in Microbiology, vol. 30, pp 239-270.

  195. 2001 KARL, D. M. and J. E. DORE. Microbial ecology at sea: Sampling, subsampling and incubation considerations. In: J. H. Paul (ed.), Methods in Microbiology, vol. 30, pp 13-39.

  196. 2001 ZEHR, J. P., J. B. WATERBURY, P. J. TURNER, J. P. MONTOYA, E. OMOREGIE, G. F. STEWARD, A. HANSEN, and D. M. KARL. Unicellular cyanobacteria fix N2 in the Subtropical North Pacific Ocean. Nature 412: 635-638.

  197. 2001 CAVENDER-BARES-K. K., D. M. KARL and S. W. CHISHOLM. Nutrient gradients in the western North Atlantic Ocean: Relationship to microbial community structure, and comparison to patterns in the Pacific Ocean. Deap-Sea Research I 48: 2373-2395.

  198. 2001 BENITEZ-NELSON, C., K. O. BUESSELER, D. M. KARL and J. ANDREWS. A time-series study of particulate matter export in the North Pacific Subtropical Gyre based on 234Th:238U disequilibrium. Deep-Sea Research I, 48: 2595-2611.

  199. 2001 KARL, D. M. and A. F. MICHAELS. Nitrogen cycle. In: J. Steele, S. Thorpe and K. Turekian, Eds., Encyclopedia of Ocean Sciences, pp. 1876-1884.

  200. 2001 KARL, D. M., J. E. DORE, R. LUKAS, A. F. MICHAELS, N. R. BATES and A. KNAP. Building the long-term picture: The U.S. JGOFS time-series programs. Oceanography, 14: 6-17.

  201. 2001 MICHAELS, A. F., D. M. KARL and D. G. CAPONE. Element stochiometry, new production and nitrogen fixation. Oceanography, 14: 68-77.

  202. 2001 BJÖRKMAN, K. and D. M. KARL. A novel method for the measurement of dissolved adenosine and guanosine triphosphate in aquatic habitats: Applications to marine microbial ecology. Journal of Microbiological Methods, 47: 159-167.

  203. 2001 FASHAM, M. J. R., B. M. BALIÑO, M. C. BOWLES, R. ANDERSON, D. ARCHER, U. BATHMANN, P. BOYD, K. BUESSELLER, P. BURKILL, A. BYCHKOV, C. CARLSON, C. T. A. CHEN, S. DONEY, H. DUCKLOW, S. EMERSON, R. FEELY, G. FELDMAN, V. GARCON, D. HANSELL, R. HANSON, P. HARRISON, S. HONJO, C. JEANDEL, D. KARL, R. LE BORGNE, K. K. LIU, K. LOCHTE, F. LOUANCHI, R. LOWRY, A. MICHAELS, P. MONFRAY, J. MURRAY, A. OSCHLIES, T. PLATT, J. PRIDDLE, R. QUIÑONES, D. RUIZ-PINO, T. SAINO, E. SAKSHAUG, G. SHIMMIELD, S. SMITH, W. SMITH, T. TAKAHASHI, P. TRÉGUER, D. WALLACE, R. WANNINKHOF, A. WATSON, J. WILLEBRAND and C. D. WONG. A new vision of ocean biogeochemistry after a decade of the Joint Global Ocean Flux Study (JGOFS). Ambio Special Report 10 May 2001: 4-31

  204. 2002 FENNEL, K. Y. H. SPITZ, R. M. LETELIER, M. R. ABBOTT and D. M. KARL. A deterministic model for N2 fixation at Stn. ALOHA in the subtropical North Pacific Ocean. Deep-Sea Research II, 49: 149-174.

  205. 2002 CHURCH, M. J., H. W. DUCKLOW and D. M. KARL. Multi-year increases in dissolved organic matter inventories at Station ALOHA in the North Pacific Subtropical Gyre. Limnology and Oceanography, 47: 1-10.

  206. 2002 CULLEN, J. J., P. J. S. FRANKS, D. M. KARL and A. LONGHURST. Physical influences on marine ecosystem dynamics. In A. R. Robinson, J. J. McCarthy and B. J. Rothschild (eds.), The Sea, vol. 12, John Wiley & Sons, Inc., New York, pp. 297-336.

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  208. 2002 BENITEZ-NELSON, C. R. and D. M. KARL. Phosphorus cycling in the North Pacific Subtropical Gyre using cosmogenic 32P and 33P. Limnology and Oceanography, 47: 762-770.

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  210. 2002 JOHNSON, K. S. and D. M. KARL. Is ocean fertilization credible and creditable? Science 296: 467-468.

  211. 2002 KARL, D., A. MICHAELS, B. BERGMAN, D. CAPONE, E. CARPENTER, R. LETELIER, F. LIPSCHULTZ, H. PAERL, D. SIGMAN and L. STAL. Dinitrogen fixation in the world's oceans. Biogeochemistry, 57/58: 47-98.

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  213. 2002 EMERSON, S., C. STUMP, B. JOHNSON and D. M. KARL. In situ determination of oxygen and nitrogen dynamics in the upper ocean. Deep-Sea Research I, 49: 941-952.

  214. 2002 KARL, D. M. and K. M. BJÖRKMAN. Dynamics of DOP. In: D. Hansell and C. Carlson, Eds., Biogeochemistry of Marine Dissolved Organic Matter, pp. 249-366, Elsevier Science.

  215. 2002 SMITH, K.L., JR., R. J. BALDWIN, D. M. KARL and A. BOETIUS. Benthic community responses to pulses in pelagic food supply: North Pacific Subtropical Gyre. Deep-Sea Research I 49:971-990.

  216. 2002 KARL, D. M. Nutrient dynamics in the deep blue sea. Trends in Microbiology 10: 410-418.

  217. 2002 DORE, J. E., J. R. BRUM, L. TUPAS and D. M. KARL. Seasonal and interannual variability in sources of nitrogen supporting export in the oligotrophic subtropical North Pacific Ocean. Limnology and Oceanography, 47: 1595-1607.

  218. 2002 LEE, K., D. M. KARL, R. WANNINKHOF and J. Z. ZHANG. Global estimates of net carbon production in the nitrate-depleted tropical and subtropical oceans. Geophysical Research Letters, 29: 13-1 to 13-4, 1907, doi: 10.1029/2001GL014198.

  219. 2002 NEUER, S., R. DAVENPORT, T. FREUDENTHAL, G. WEFER, O. LLINAS, M.-J RUEDA, D. K. STEINBERG and D. M. KARL. Differences in the biological carbon pump at three subtropical ocean sites. Geophysical Research Letters 29: 32-1 to 32-4, 1885, doi: 10.1029/2002GL015393.

  220. 2002 LOMAS, M. W., N. R. BATES, A. H. KNAP, D. M. KARL, R. LUKAS, M. R. LANDRY, R. R. BIDIGARE, D. K. STEINBERG, C. A. CARLSON. Refining our understanding of oceanic biogeochemistry and ecosystem functioning. EOS, Transactions of the American Geophysical Union 83: 559, 566-567.

  221. 2003 KARL, D. M., N. R. BATES, S. EMERSON, P. J. HARRISON, C. JEANDEL, O. LLINAS, K.-K. LIU, J.-C. MARTY, A. F. MICHAELS, J. C. MIQUEL, S. NEUER, Y. NORIJI and C. S. WONG. Temporal studies of biogeochemical processes determined from ocean time-series obsevations during the JGOFS era. In: M. J. R. Fasham (ed.), Ocean Biogeochemistry: The Role of the Ocean Carbon Cycle in Global Change, Springer, New York, pp. 239-267.

  222. 2003 BJÖRKMAN, K. M. and D. M. KARL. Bioavailability of dissolved organic phosphorus in the euphotic zone at Station ALOHA, North Pacific Subtropical Gyre. Limnology and Oceanography 48: 1049-1057.

  223. 2003 JOHNSON, K. S., V. A. ELROD, S. E. FITZWATER, J. N. PLANT, F. P. CHAVEZ, S. J. TANNER, R. M. GORDON, D. L. WESTPHAL, K. D. PERRY, J. WU and D. M. KARL. Surface ocean - lower atmosphere interactions in the Northeast Pacific Ocean gyre: Aerosols, iron and the ecosystem response, Global Biogeochemical Cycles 17: 32-1 to 32-14, doi: 10.1029/2002GB002004.

  224. 2003 WU, J., S.-W. CHUNG, L.-S. WEN, K.-K. LIU, Y. L. CHEN, H.-Y. CHEN and D. M. KARL. Dissolved inorganic phosphorus, dissolved iron and Trichodesmium in the oligotrophic South China Sea. Global Biogeochemical Cycles, 17: 8-1-8-10, doi: 10.1029/2002GB001924.

  225. 2003 BERTILSSON, S., O. BERGLUND, D. M. KARL and S. W. CHISHOLM. Elemental composition of marine Prochlorococcus and Synechococcus: Implications for the ecological stoichiometry of the sea. Limnology and Oceanography, 48: 1721-1731.

  226. 2003 CHURCH, M. J., E. F. DeLONG, H. W. DUCKLOW, M. B. KARNER, C. M. PRESTON and D. M. KARL. Abundance and distribution of planktonic Archaea and Bacteria in the waters west of the Antarctic Peninsula. Limnology and Oceanography, 48: 1893-1902.

  227. 2003 DORE, J. E., R. LUKAS, D. W. SADLER and D. M. KARL. Climate-driven changes to the atmospheric CO2 sink in the subtropical North Pacific Ocean. Nature, 424: 754-757.

  228. 2003 de la TORRE, J. R., L. M. CHRISTIANSON, O. BEJA, M. T. SUZUKI, D. M. KARL, J. HEIDELBERG, and E. F. DELONG. Proteorhodopsin genes are distributed among divergent marine bacterial taxa. Proceedings of the National Academy of Sciences, USA, 100: 12830-12835.

  229. 2003 KARL, D. M., E. A. LAWS, P. MORRIS, P. J. leB. WILLIAMS and S. EMERSON. Metabolic balance of the open sea. Nature, 426:32.

  230. 2004 CARRILLO, C. J., R. C. SMITH and D. M. KARL. Processes regulating oxygen and carbon dioxide in surface waters west of the Antarctic Peninsula. Marine Chemistry, 84: 161-179.

  231. 2004 LETELIER, R. M., D. M. KARL, M. R. ABBOTT and R. R. BIDIGARE. Light driven seasonal patterns of chlorophyll and nitrate in the lower euphotic zone of the North Pacific Subtropical Gyre. Limnology and Oceanography, 49:508-519.

  232. 2004 CHEN, Y. L., H.-Y. CHEN, D. M. KARL and M. TAKAHASHI. Nitrogen modulates phytoplankton growth in spring in the South China Sea. Contenental Shelf Research 24: 527-541.

  233. 2004 SAKAMOTO, C. M., D. M. KARL, H. W. JANNASCH, R. R. BIDIGARE, R. M. LETELIER, P. M. WALZ, J. P. RYAN, P. S. POLITO and K. S. JOHNSON. Influence of Rossby waves on nutrient dynamics and the plankton community structure in the North Pacific subtropical gyre. Journal of Geophysical Research (Oceans), 109: C05032, doi: 10.1029/2003JC001976.

  234. 2004 BRUM, J. R., G. F. STEWARD and D. M. KARL. A novel method for the measurement of dissolved deoxyribonucleic acid in seawater. Limnology and Oceanography, Methods, 2:248-255.

  235. 2004 DONEY, S. C., M. R. ABBOTT, J. J. CULLEN, D. M. KARL and L. ROTHSTEIN. From genes to ecosystems: the ocean's new frontier. Frontiers in Ecology and the Environment 2: 457-466.

  236. 2004 WILLIAMS, P. J. le B., P. J. MORRIS and D. M. KARL. Net community production and metabolic balance at the oligotrophic ocean site, Station ALOHA. Deep-Sea Research I 51 : 1563-1578.

  237. 2004 GALLOWAY, J. N., F. J. DENTENER, D. G. CAPONE, E. W. BOYER, R. W. HOWARTH, S. P. SEITZINGER, G. ASNER, C. CLEVELAND, P. GREEN, E. HOLLAND, D. M. KARL, A. F. MICHAELS, J. PORTER, A. TOWNSEND and C. VOROSMARTY. Nitrogen cycles: Past, present and future. Biogeochemistry, 70:153-226.

  238. 2004 CHURCH, M. J., H. W. DUCKLOW and D. M. KARL. Light dependence of [3H]leucine incorporation in the oligotrophic North Pacific Ocean. Applied and Environmental Microbiology, 70: 4079-4087.

  239. 2005 CHURCH, M. J., B. D. JENKINS, D. M. KARL and J. P. ZEHR. Vertical distributions of nitrogen-fixing phylotypes at Stn ALOHA in the oligotrophic North Pacific Ocean. Aquatic Microbial Ecology 38: 3-14.

  240. 2005 PRAHL, F. G., B. N. POPP, D. M. KARL and M. A. SPARROW. Ecology and biogeochemistry of alkenone production at Station ALOHA. Deep-Sea Research I, 52: 699-719.

  241. 2005 BJÖRKMAN, K. M. and D. M. KARL. Presence of dissolved nucleotides in the North Pacific Subtropical Gyre and their role in cycling of dissolved organic phosphorus. Aquatic Microbial Ecology 39: 193-203.

  242. 2005 JOHNSTON, W., COONEY, A. SCHORLEMMER, S. POHL, D. M. KARL and R. BIDIGARE. Carbon mass balance methodology to characterize the growth of pigmented marine bacteria under conditions of light cycling. Bioprocess and Biosystems Engineering, 27: 163-174.

  243. 2005 DELONG, E. F. and D. M. KARL. Genomic perspectives in microbial oceanography. Nature 437: 336-342.

  244. 2005 COLMAN, A. S., R. E. BLAKE, D. M. KARL, M. L. FOGEL and K. K. TUREKIAN. Marine phosphate oxygen isotopes and organic matter remineralization in the oceans. Proceedings of the National Academy of Sciences USA, 102: 13023-13028.

  245. 2005 CHURCH, M. J., C. M. SHORT, B. D. JENKINS, D. M. KARL and J. P. ZEHR. Temporal patterns of nitrogenase gene (nifh) expression in the oligotrophic North Pacific Ocean. Applied and Environmental Microbiology, 71: 5362-5370.

  246. 2005 HUNTER-CEVERA, J., D. KARL and M. BUCKLEY (eds.). Marine Microbial Diversity: The Key to Earth's Habitability. American Academy of Microbiology, Washington, D.C. 22 pp.

  247. 2005 CORNO, G., R. M. LETELIER, M. R. ABBOTT and D. M. KARL. Assessing primary production variability in the North Pacific Subtropical Gyre: A comparison of Fast Repitition Rate Fluorometry and 14C measurements. Journal of Phycology, 42: 51-60.

  248. 2006 HUISMAN, J., N. N. P. THI, D. M. KARL and B. SOMMEIJER. Reduced mixing generates oscillations and chaos in the oceanic deep chlorophyll maximum. Nature, 439: 322-325.

  249. 2006 ROTHSTEIN, L. M., J. J. CULLEN, M. ABBOTT, E. CHASSIGNET, K. DENMAN, S. DONEY, H. DUCKLOW, K. FENNEL, M. FOLLOWS, D. HAIDVOGEL, E. HOFMANN, D. KARL, J. KINDLE, I. LIMA, M. MALTRUD, C. McCLAIN, D. McGILLICUDDY, J. OLASCOAGA, Y. SPITZ, J. WIGGERT and J. YODER. Modeling ocean ecosystems: The PARADIGM program. Oceanography, 19: 17-45.

  250. 2006 DELONG, E. F., C. M. PRESTON, T. MINCER, V. RICH, S. J. HALLAM, N.-U. FRIGAARD, A. MARTINEZ, M. B. SULLIVAN, R. EDWARDS, B. R. BRITO, S. W. CHISHOLM and D. M. KARL. Community genomics among stratified microbial assemblages in the ocean's interior. Science, 311: 496-503.

  251. 2006 BRIX, H., N. GRUBER, D. M. KARL and N. R. BATES. On the relationships between primary, net community, and export production in subtropical gyres. Deep-Sea Research II, 53: 698-717.

  252. 2006 WHITE, A., Y. SPITZ, D. M. KARL and R. M. LETELIER. Flexible elemental stoichiometry in Trichodesmium spp. and its ecological implications. Limnology and Oceanography, 51: 1777-1790.

  253. 2006 CHURCH, M. J., H. W. DUCKLOW, R. M. LETELIER and D. M. KARL. Temporal and vertical dynamics in picoplankton photoheterotrophic production in the subtropical North Pacific Ocean. Aquatic Microbial Ecology, 45: 41-53.

  254. 2006 KARL, D. M. Book Review of "Ocean Biogeochemical Dynamics" by J. L. Sarmiento and N. Gruber. Limnology and Oceanography Bulletin 15: 54-55.

  255. 2006 DUCKLOW, H. W., W. FRASER, D. M. KARL, L. B. QUETIN, R. M. ROSS, R. C. SMITH, S. E. STAMMERJOHN, M. VERNET and R. M. DANIELS. Water-column processes in the West Antarctic Peninsula and the Ross Sea: Interannual variations and foodweb structure. Deep-Sea Research II, 53: 834-852.

  256. 2007 MINCER, T. J., M. J. CHURCH, L. T. TAYLOR, C. PRESTON, D. M. KARL and E. F. DELONG. Quantitative distribution of presumptive archaeal and bacterial nitrifiers in Monterey Bay and the North Pacific Subtropical Gyre. Environmental Microbiology, 9:1162-1175, doi:10.1111/j.1462-2920.2007.01239.x.

  257. 2007 ZEHR, J. P., J. P. MONTOYA, B. D. JENKINS, I. HEWSON, E. MONDRAGON, C. M. SHORT, M. J. CHURCH, A. HANSEN and D. M. KARL. Experiments linking nitrogenase gene expression to nitrogen fixation in the North Pacific Subtropical Gyre. Limnology and Oceanography, 52: 169-183.

  258. 2007 McANDREW, P. M., K. M. BJÖRKMAN, M. J. CHURCH, P. J. MORRIS, N. JACHOWSKI, P. J. le B. WILLIAMS and D. M. KARL. Metabolic response of oligotrophic plankton communities to deep water nutrient enrichment. Marine Ecology Progress Series, 332: 63-75.

  259. 2007 RUSCH, D. B., A. L. HALPERN, G. SUTTON, K. B. HEIDELBERG, S. WILLIAMSON, S. YOOSEPH, D. WU, J. A. EISEN, J. M. HOFFMAN, K. REMINGTON, K. BEESON, B. TRAN, H. SMITH, H. BADEN-TILLSON, C. STEWART, J. THORPE, J. FREEMAN, C. ANDREWS- PFANNKOCH, J. E. VENTER, K. LI, S. KRAVITZ, J. F. HEIDELBERG, T. UTTERBACK, Y.-H. ROGERS, L. I. FALCON, V. SOUZA, G. BONILLA-ROSSO, L. E. EGUIARTE, D. M. KARL, S. SATHYENDRANATH, T. PLATT, E. BERMINGHAM, V. GALLARDO, G. TAMAYO-CASTILLO, M. R. FERRARI, R. L. STRAUSBERG, K. NEALSON, R. FRIEDMAN, M. FRAZIER and J. C. VENTER. The Sorcerer II global ocean sampling expedition: Northwest Atlantic through Eastern Tropical Pacific. Public Library of Science (PLOS), Biology, 5: 0398-0431.

  260. 2007 CORNO, G., D. M. KARL, M. J. CHURCH, R. M. LETELIER, R. LUKAS, R. R. BIDIGARE and M. R. ABBOTT. Impact of climate forcing on ecosystem processes in the North Pacific Subtropical Gyre. Journal of Geophysical Research, 112, C04021, doi:10.1029/2006JC003730.

  261. 2007 BUESSELER, K. O., C. H. LAMBORG, P. W. BOYD, P. J. LAM, T. W. TRULL, R. R. BIDIGARE, J. K. B. BISHOP, K. L. CASCIOTTI, F. DEHAIRS, M. ELSKENS, M. HONDA, D. M. KARL, D. A. SIEGEL, M. W. SILVER, D. K. STEINBERG, J. VALDES, B. VAN MOOY and S. WILSON. Revisiting carbon flux through the ocean's twilight zone. Science, 316: 567-570.

  262. 2007 KARL, D. M. The marine phosphorus cycle. In: Manual of Environmental Microbiology, Third Edition, ed. by C. J. Hurst et al., American Society of Microbiology, Washington, D.C., pp. 523-539.

  263. 2007 KARL, D. M. and L. PROCTOR. Foundations of Microbial Oceanography. Oceanography 20: 16-27.

  264. 2007 KARL, D. M. Microbial oceanography: paradigms, processes and promise. Nature Reviews Microbiology, 5: 759-769.

  265. 2007 KARL, D. M. Microbial nucleotide fingerprints in nature. In: C. A. Reddy, T. Beveridge, J. A. Breznak, G. A. Marzluf, T. M. Schmidt and L. R. Snyder (eds.), Methods for General and Molecular Microbiology, ASM Press, Washington, D. C., pp. 869-878.

  266. 2007 KARL, D. M. Plastics-irradiated-etched: The Nuclepore(R) filter turns 45 years old. Limnology and Oceanography Bulletin 16: 49-54.

  267. 2008 DORE, J. E., R. M. LETELIER, M. J. CHURCH, R. LUKAS and D. M. KARL. Summer phytoplankton blooms in the oligotrophic North Pacific Subtropical Gyre: Historical perspective and recent observations. Progress in Oceanography, 76:2-38.

  268. 2008 BUESSELER, K. O., S. C. DONEY, D. M. KARL, P. W. BOYD, K. CALDEIRA, F. CHAI, K. H. COALE, H. J. W. de BAAR, P. G. FALKOWSKI, K. S. JOHNSON, R. S. LAMPITT, A. F. MICHAELS, S. W. A. NAQVI, V. SMETACEK, S. TAKEDA and A. J. WATSON. Ocean iron fertilization - Moving forward in a sea of uncertainty. Science 319: 162.

  269. 2008 MOUTIN, T., D. M. KARL, S. DUHAMEL, P. RIMMELIN, P. RAIMBAULT, B. A. S. VAN MOOY and H. CLAUSTRE. Phosphate availability and the ultimate control of new nitrogen input by nitrogen fixation in the tropical Pacific Ocean. Biogeosciences, 5: 95-109.

  270. 2008 CORNO, G., R. M. LETELIER, M. R. ABBOTT and D. M. KARL. Temporal and vertical variability in photosynthesis in the North Pacific Subtropical Gyre. Limnology and Oceanography, 53: 1252-1265.

  271. 2008 STEINBERG, D. K., B. A. S. VAN MOOY, K. O. BUESSELER, P. W. BOYD, T. KOBARI and D. M. KARL. Bacterial vs. zooplankton control of sinking particle flux in the ocean's twilight zone. Limnology and Oceanography, 53: 1327-1338.

  272. 2008 RII, Y. M., S. L. BROWN, F. NENCIOLI, V. KUWAHARA, T. DICKEY, D. M. KARL, and R. R. BIDIGARE. The transient oasis: Nutrient-phytoplankton dynamics and particle export in Hawaiian lee cyclones. Deep-Sea Research II, 55: 1275-1290.

  273. 2008 KARL, D. M., L. BEVERSDORF, K. M. BJÖRKMAN, M. J. CHURCH, A. MARTINEZ and E. F. DeLONG. Aerobic production of methane in the sea. Nature Geoscience, 1: 473-478.

  274. 2008 FONG, A. A., D. M. KARL, R. LUKAS, R. M. LETELIER, J. P. ZEHR and M. J. CHURCH. Nitrogen fixation in an anticyclonic eddy in the oligotrophic North Pacific Ocean. The ISME Journal, 2: 663-676.

  275. 2008 McANDREW, P. M., R. R. BIDIGARE and D. M. KARL. Primary production and implications for metabolic balance in Hawaiian lee eddies. Deep-Sea Research II, 55: 1300-1309.

  276. 2008 MAHAFFEY, C., C. R. BENITEZ-NELSON, R. R. BIDIGARE, Y. RII and D. M. KARL. Nitrogen dynamics within a wind-driven eddy. Deep-Sea Research II, 55: 1398-1411.

  277. 2008 CHURCH, M. J., K. M. BJÖRKMAN, D. M. KARL, M. A. SAITO and J. P. ZEHR. Regional distributions of nitrogen-fixing bacteria in the Pacific Ocean. Limnology and Oceanography, 53: 63-77.

  278. 2008 KARL, D. M. and R. M. LETELIER. Nitrogen fixation-enhanced carbon sequestration in low nitrate, low chlorophyll seascapes. Marine Ecology Progress Series, 364: 257-268.

  279. 2008 GRABOWSKI, M. N. W., M. J. CHURCH and D. M. KARL. Nitrogen fixation rates and controls at Stn ALOHA. Aquatic Microbial Ecology, 52: 175-183.

  280. 2008 BUESSELER, K. O., T. W. TRULL, D. K. STEINBERG, M. W. SILVER, D. A. SIEGEL, S.-I. SAITOH, C. H. LAMBORG, P. J. LAM, D. M. KARL, N. Z. JIAO, M. C. HONDA, M. ELSKENS, F. DEHAIRS, S. L. BROWN, P. W. BOYD, J. K. B. BISHOP and R. R. BIDIGARE. VERTIGO (VERtical Transport In the Global Ocean): a study of particle sources and flux attenuation in the North Pacific. Deep-Sea Research II, 55: 1522-1539.

  281. 2008 KARL, D. M., R. R. BIDIGARE, M. J. CHURCH, J. E. DORE, R. M. LETELIER, C. MAHAFFEY and J. ZEHR. The nitrogen cycle in the North Pacific trades biome: An evolving paradigm. In: Nitrogen in the Marine Environment, ed. by D. G. Capone, D. A. Bronk, M. R. Mulholland and E. J. Carpenter, Academic Press, San Diego, CA, pp. 705-769.

  282. 2008 DUCKLOW, H. W., M. ERICKSON, J. KELLY, M. MONTES-HUGO, C. A. RIBIC, R. C. SMITH, S. C. STAMMERJOHN, and D. M. KARL. Particle export from the upper ocean over the continetal shelf of the west Antarctic Peninsula: A long-term record, 1992-2007. Deep-Sea Research II, 55: 2118-2131

  283. 2008 LETELIER, R. M., P. G. STRUTTON and D. M. KARL. Physical and ecological uncertainties in the widespread implementation of controlled upwelling in the North Pacific Subtropical Gyre. Marine Ecology Progress Series, 371: 305-308.

  284. 2009 KARL, D. M. Crystal ball - 2009: Microbial observatories in the sea. Environmental Microbiology Reports 1: 10-12.

  285. 2009 VAN MOOY, B. A. S., H. F. FREDRICKS, B. E. PEDLER, S. T. DYHRMAN, D. M. KARL, M. KOBLIZEK, M. W. LOMAS, T. J. MINCER, L. R. MOORE, T. MOUTIN, M. S. RAPPÉ and E. A. WEBB. Phytoplankton in the ocean use non-phosphorus lipids in response to phosphorus scarcity. Nature 458: 69-72.

  286. 2009 KARL, D. M. and R. LETELIER. Marine habitats. In: M. Schaechter (Ed.), Encyclopedia of Microbiology, Third edition, Elsevier, Oxford, pp. 258-277.

  287. 2009 SIGMAN, D. M., P. J. DiFIORE, M. P. HAIN, C. DEUTSCH and D. M. KARL. Sinking organic matter spreads the nitrogen isotope signal of pelagic denitrification in the North Pacific. Geophysical Research Letters, 36, L08605, doi:10.1029/2008GL035784.

  288. 2009 BOWLER, C., D. M. KARL and R. R. COLWELL. Microbial oceanography in a sea of opportunity. Nature, 459: 180-184.

  289. 2009 CHURCH, M. J., C. MAHAFFEY, R. M. LETELIER, R. LUKAS, J. P. ZEHR and D. M. KARL. Physical forcing of nitrogen fixation and diazotroph community structure in the North Pacific subtropical gyre. Global Biogeochemical Cycles, 23:GB2020, doi:10.1029/2008GB003418.

  290. 2009 DICKEY, T., N. BATES, R. H. BYRNE, G. CHANG, F. P. CHAVEZ, R. A. FEELY, A. K. HANSON, D. M. KARL, D. MANOV, C. MOORE, C. L. SABINE and R. WANNINKHOF. The NOPP O-SCOPE and MOSEAN Projects: Advanced sensing for ocean observing systems. Oceanography, 22: 168-181.

  291. 2009 DORE, J. E., R. LUKAS, D. W. SADLER, M. J. CHURCH and D. M. KARL. Physical and biogeochemical modulation of ocean acidification in the central North Pacific. Proceedings of the U.S. National Academy of Sciences, 106: 12235-12240.

  292. 2009 SIGMAN, D. M., P. J. DiFIORE, M. P. HAIN, C. DEUTSCH, Y. WANG, D. M. KARL, A. N. KNAPP, M. F. LEHMANN and S. PANTOJA. The dual isotopes of deep nitrate as a constraint on the cycle and budget of oceanic fixed nitrogen. Deep-Sea Research I, 56: 1419-1439.

  293. 2009 MOORE, R. M., S. PUNSHON, C. MAHAFFEY and D. KARL. The relationship between dissolved hydrogen and nitrogen fixation in ocean waters. Deep-Sea Research I, 56: 1449-1458.

  294. 2009 KONSTANTINIDIS, K. T., J. BRAFF, D. M. KARL and E. F. DeLong. Comparative metagenomic analysis of a microbial community residing at a depth of 4,000 meters at Station ALOHA in the North Pacific Subtropical Gyre. Applied and Environmental Microbiology, 75: 5345-5355.

  295. 2009 KARL, D. M. and R. M. LETELIER. Seascape microbial ecology: Habitat structure, biodiversity and ecosystem function. In: S. A. Levin (Ed.), The Princeton Guide to Ecology, Princeton University Press, Princeton, New Jersey, pp. 488-500.

  296. 2009 EILER, A., D. H. HAYAKAWA, M. J. CHURCH, D. M. KARL and M. S. RAPPÉ. Dynamics of the SAR11 bacterioplankton lineage in relation to environmental conditions in the oligotrophic North Pacific Subtropical gyre. Environmental Microbiology, 11: 2291-2300.

  297. 2009 HEWSON, I., R. W. PAERL, H. J. TRIPP, J. P. ZEHR and D. M. KARL. Metagenomic potential of microbial assemblages in the surface waters of the central Pacific ocean tracks variability in oceanic habitat. Limnology and Oceanography, 54: 1981-1994.

  298. 2009 HANNIDES, C. C. S., M. R. LANDRY, C. R. BENITEZ-NELSON, R. M. STYLES, J. P. MONTOYA and D. M. KARL,. Export stoichiometry and migrant-mediated flux of phosphorus in the North Pacific subtropical gyre. Deep-Sea Research I, 56: 73-88.

  299. 2009 BIDIGARE, R. R., F. CHAI, M. R. LANDRY, R. LUKAS, C. C. S. HANNIDES, S. C. CHRISTENSEN, D. M. KARL, L. SHI and Y. CHAO. Subtropical ocean ecosystem structure changes forced by North Pacific climate variations. Journal of Plankton Research 31: 1131-1139.

  300. 2010 WHITE, A., K. BJÖRKMAN, E. GRABOWSKI, R. LETELIER, S. POULOS, B. WATKINS and D. M. KARL. An open ocean trial of controlled upwelling using wave pump technology. Journal of Atmospheric and Oceanic Technology, 27: 385-396.

  301. 2010 SMITH, W. O. J. A. PELOQUIN and D. M. KARL. Antarctic continental margins. In: K. K. Liu, L. Atkinson, R. Quinones and L. Talaue-McManus (Eds.), " Carbon and Nurient Fluxes in Continental Margins", Springer-Verlag, Berlin, pp. 318-330.

  302. 2010 CHURCH, M. J., B. WAI, D. M. KARL and E. F. DELONG. Abundances of crenarchaeal amoA genes and transcripts in the Pacific Ocean. Environmental Microbiology, 12: 679-688.

  303. 2010 DUHAMEL, S., S. T. DYHRMAN and D. M. KARL. Alkaline phosphatase activity and regulation in the North Pacific Subtropical Gyre. Limnology and Oceanography, 55: 1414-1425.

  304. 2010 JOHNSON, K. S., S. C. RISER and D. M. KARL. Nitrate supply from deep to near-surface waters of the North Pacific Subtropical Gyre. Nature, 465:1062-1065.

  305. 2010 WILSON, S. T., R. A. FOSTER, J. P. ZEHR and D. M. KARL. Hydrogen production by Trichodesmium erythraeum, Cyanothece sp., and Crocosphaera Watsonii Aquatic Microbial Ecology, 59:197-206.

  306. 2010 QUAY, P. D., C. PEACOCK, K. BJÖRKMAN and D. M. KARL. Measuring primary production rates in the ocean: Enigmatic results between incubation and non-incubation methods at Station ALOHA. Global Biogeochemical Cycles, 24, GB3014, doi:10.1029/2009GB003665.

  307. 2010 WHITE, A. E., D. M. KARL, K. M. BJÖRKMAN, L. J. BEVERSDORF and R. M. LETELIER. Production of organic matter by Trichodesmium IMS101 as a function of phosphorus source. Limnology and Oceanography, 55: 1755-1767.

  308. 2010 BEVERSDORF, L. J., A. E. WHITE, K. M. BJÖRKMAN, R. M. LETELIER and D. M. KARL. Phosphonate metabolism of Trichodesmium IMS101 and the production of greenhouse gases. Limnology and Oceanography, 55: 1768-1778.

  309. 2010 KARL, D. M. Oceanic ecosystem time-series programs: Ten lessons learned. Oceanography 23: 104-125.

  310. 2010 BONNET, S., E. A. WEBB, C. PANZECA, D. M. KARL, D. G. CAPONE and S. A. SANUDO-WILHELMY. Vitamin B12 excretion by cultures of the marine cyanobacteria Crocosphaera and Synechococcus. Limnology and Oceanography 55: 1959-1964.

  311. 2010 SABA, V. S., M. A. M. FRIEDRICHS, M.-E. CARR, D. ANTOINE, R. A. ARMSTRONG, I. ASANUMA, O. AUMONT, N. R. BATES, M. J. BEHRENFELD, V. BENNINGTON, L. BOPP, J. BRUGGEMAN, E. T. BUITENHUIS, M. J. CHURCH, A. M. CIOTTI, S. C. DONEY, M. DOWELL, J. DUNNE, S. DUTKIEWICZ, W. GREGG, N. HOEPFFNER, K. J. W. HYDE, J. ISHIZAKA, T. KAMEDA, D. M. KARL, I. LIMA, M. W. LOMAS, J. MARRA, G. A. McKINLEY, F. MELIN, J. K. MOORE, A. MOREL, J. O'REILLY, B. SALIHOGLU, M. SCARDI, T. J. SMYTH, S. TANG, J. TJIPUTRA, J. UITZ, M. VICHI, K. WATERS, T. K. WESTBERRY and A. YOOL. The challenge of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT. Global Biogeochemical Cycles, 24, GB3020, doi: 10.1029/2009GB003655.

  312. 2010 WILSON, S. T., S. TOZZI, R. A. FOSTER, I. ILIKCHYAN, Z. S. KOLBER, J. P. ZEHR and D. M. KARL. Hydrogen cycling by the unicellular marine diazotroph Crocosphaera watsonii strain WH8501. Applied and Environmental Microbiology, 76: 6797-6803.

  313. 2010 PICHERAL, M., L. GUIDI, L. STEMMANN, D. KARL, G. IDDAOUD and G. GORSKY. The Underwater Vision Profiler 5: An advanced instrument for high spatial resolution studies of particle size spectra and zooplankton. Limnology and Oceanography Methods, 8: 462-473.

  314. 2010 MOLONEY, C. L., M. A. ST. JOHN, K. L. DENMAN, D. M. KARL, F. W. KOSTER, S. SUNDBY and R. P. WILSON. Weaving marine food webs from end to end under global change. Journal of Marine Systems, 84: 106-116.

  315. 2010 LAMPITT, R. S., P. FAVALI, C. R. BARNES, M. J. CHURCH, M. F. CRONIN, K. L. HILL, Y. KANEDA, D. M. KARL, A. H. KNAP, M. J. McPHADEN, K. A. NITTIS, I. G. PRIEDE, J.-F. ROLIN, U. SEND, C.-C. TENG, T. W. TRULL, D. W. R. WALLACE and R. A. WELLER. In situ sustained Eulerian observatories. In: J. Hall, D. E. Harrison and D. Stammer (Eds.), "Proceedings of OceanObs09: Sustained Ocean Observations and Information for Society", Vol. 1, Venice, Italy, 21-25 September 2009, ESA Publication WPP-306, doi:10.5270/OceanObs09.pp.27.

  316. 2011 JOINT, I., S. C. DONEY and D. M. KARL. Will ocean acidification affect marine microbes? ISME Journal, 5: 1-7, doi: 10.1038/ismej.2010.79.

  317. 2011 VIVIANI, D. A., K. M. BJÖRKMAN, D. M. KARL, and M. J. CHURCH. Plankton metabolism in surface waters of the tropical and subtropical Pacific Ocean. Aquatic Microbial Ecology, 62: 1-12.

  318. 2011 KIM, J.-M., K. LEE, K. SHIN, E. J. YANG, A. ENGEL, D. M. KARL and H.-C. KIM. Shifts in biogenic carbon flow from particulate to dissolved forms under high carbon dioxide and warm ocean conditions. Geophysical Research Letters, 38: L08612, doi: 10.1029/2011GL047346.

  319. 2011 BRZEZINSKI, M. A., J. W. KRAUSE, M. J. CHURCH, D. M. KARL, B. LI, J. L. JONES and B. UPDYKE. The annual silica cycle of the North Pacific subtropical gyre. Deep-Sea Research I 58:988-1001.

  320. 2011 LI, B., D. M. KARL, R. M. LETELIER and M. J. CHURCH. Size-dependent photosynthetic variability in the North Pacific Subtropical Gyre. Marine Ecology Progress Series, 440: 27-40.

  321. 2011 DUHAMEL, S., K. M. BJÖRKMAN, F. VAN WAMBEKE, T. MOUTIN and D. M. KARL. Characterization of alkaline phosphatase activity in the North and South Pacific Subtropical Gyres: Implications for phosphorus cycling. Limnology and Oceanography, 56: 1244-1254.

  322. 2011 GROTE, J., C. BAYINDIRLI, K. BERGAUER, P. CARPINTERO de MORAES, H. CHEN, L. D'AMBROSIO, B. EDWARDS, B. FERNANDEZ-GOMEZ, M. HAMISI, R. LOGARES, D. NGUYEN, Y. M. RII, E. SAECK, C. SCHUTTE, B. WIDNER, M. J. CHURCH, G. F. STEWARD, D. M. KARL, E. F. DeLONG, J. M. EPPLEY, S. SCHUSTER, N. C. KYRPIDES and M. S. RAPPÉ. Draft genome sequence of strain HIMB100, a cultured representative of the SAR116 clade of marine Alphaproteobacteria. Standards in Genomic Sciences 5: 269-278.

  323. 2011 WHITE, A. E., R. M. LETELIER, K. BJÖRKMAN, E. GRABOWSKI, S. POULOS, B. WATKINS and D. M. KARL. Reply: Challenges remain in the engineering of wave pumps for long term deployment in the open ocean. Journal of Atmospheric and Oceanic Technology 28: 850-851.

  324. 2012 KARL, D. M., M. J. CHURCH, J. E. DORE, R. M. LETELIER and C. MAHAFFEY. Predictable and efficient carbon sequestration in the North Pacific Ocean supported by symbiotic nitrogen fixation. Proceedings of the National Academy of Sciences, 109: 1842-1849.

  325. 2012 DEL VALLE D., R. P. KIENE and D. M. KARL. Effect of visible light on dimethylsulfoniopropionate assimilation and conversion to dimethylsulfide in the North Pacific Subtropical Gyre. Aquatic Microbial Ecology, 66: 47-62.

  326. 2012 BUITENHUIS, E. T., W. K. W. LI, D. VAULOT, M. W. LOMAS, M. LANDRY, F. PARTENSKY, D. M. KARL, O. ULLOA, L. CAMPBELL, S. JACQUET, F. LANTOINE, F. CHAVEZ, D. MACIAS, M. GOSSELIN and G. B. McMANUS. Picophytoplankton (Bacteria and Archaea) biomass distribution in the global ocean. Earth System Science Data 4: 101-106.

  327. 2012 LUO,Y.-W., S. C. DONEY, L. A. ANDERSON, M. BENAVIDES, F. BERMAN-FRANK, A. BODE, S. BONNET, K. H. BOSTRÖM, D. BÖTTJER, D. G. CAPONE, E. J. CARPENTER, Y. L. CHEN, M. J. CHURCH, J. E. DORE, L. I. FALCÓN, A. FERNÁNDEZ, R. A. FOSTER, K. FURUYA, F. GÓMEZ, K. GUNDERSEN, A. M. HYNES, D. M. KARL, S. KITAJIMA, R. J. LANGLOIS, J. LAROCHE, R. M. LETELIER, E. MARAÑÓN, D. J. McGILLICUDDY, Jr., P. H. MOISANDER, C. M. MOORE, B. MOURIÑO-CARBALLIDO, M. R. MULHOLLAND, J. A. NEEDOBA, K. M. ORCUTT, A. J. POULTON, E. RAHAV, P. RAIMBAULT, A. P. REES, L. RIEMANN, T. SHIOZAKI, A. SUBRAMANIAM, T. TYRRELL, K. A. TURK-KUBO, M. VARELA, T. A. VILLAREAL, E. A. WEBB, A. E. WHITE, J. WU and J. P. ZEHR. Database of diazotrophs in global ocean: abundance, biomass and nitrogen fixation rates. Earth System Science Data 4: 47-73.

  328. 2012 BUITENHUIS, E. T., W. K. W. LI, M. W. LOMAS, D. M. KARL, M. R. LANDRY and S. JACQUET. Picoheterotroph (Bacteria and Archaea) biomass distribution in the global ocean. Earth System Science Data 4: 101-106.

  329. 2012 JURANEK, L. W., P. D. QUAY, R. A. FEELY, D. LOCKWOOD, D. M. KARL and M. J. CHURCH. Biological production in the NE Pacific and its influence on air-sea CO2 flux: Evidence from dissolved oxygen isotopes and O2/Ar. Journal of Geophysical Research, Oceans, 117, C05022, doi: 10.1029/2011JC007450.

  330. 2012 NICHOLSON, D. P., R. H. R. STANLEY, E. BARKAN, D. M. KARL, B. LUZ, P. D. QUAY and S. C. DONEY. Evaluating triple oxygen isotope estimates of gross primary production at the Hawaii Ocean Time-series and Bermuda Atlantic Time-series Study sites. Journal of Geophysical Research, Oceans, 117, C05012, doi: 10.1029/2010JC006856.

  331. 2012 WILSON, S. T., Z. S. KOLBER, S. TOZZI, J. P. ZEHR, D. M. KARL. Nitrogen fixation,hydrogen cycling, and electron transport kinetics in Trichodesmium erythraeum (Cyanobacteria) strain IMS101. Journal of Phycology, 48: 595-606.

  332. 2012 VARALJAY, V. A., S. M. GIFFORD, S. T. WILSON, S. SHARMA, D. M. KARL and M. A. MORAN. Bacterial dimethylsulfoniopropionate degradation genes in the oligotrophic North Pacific Subtropical Gyre. Applied and Environmental Microbiology, 78: 2775-2782.

  333. 2012 BJÖRKMAN, K., S. DUHAMEL and D. M. KARL. Microbial group specific uptake kinetics of inorganic phosphate and adenosine-5'-triphosphate (ATP) in the North Pacific Subtropical Gyre. Frontiers in Microbiology, 3, doi: 10.3389/fmicb.2012.00189.

  334. 2012 GUIDI, L., P. H. R. CALIL, S. DUHAMEL, K. M. BJÖRKMAN, S. C. DONEY, G. A. JACKSON, B. LI, M. J. CHURCH, S. TOZZI, Z. S. KOLBER, K. J. RICHARDS, A. A. FONG, R. M. LETELIER, G. GORSKY, L. STEMMANN and D. M. KARL. Does eddy-eddy interaction control surface phytoplankton distribution and carbon export in the North Pacific Subtropical Gyre? Journal of Geophysical Research, 117, G02024, doi: 10.1029/2012JG001984.

  335. 2012 MAHAFFEY, C., K. M. BJÖRKMAN and D. M. KARL. Phytoplankton response to deep seawater nutrient addition in the North Pacific Subtropical Gyre. Marine Ecology Progress Series, 460: 13-34.

  336. 2012 LUO, Y.-W., H. W. DUCKLOW, M. A. M. FRIEDRICHS, M. J. CHURCH, D. M. KARL and S. C. DONEY. Interannual variability of primary production and dissolved organic nitrogen storage in the North Pacific Subtropical Gyre. Journal of Geophysical Research, 117, G03019, doi: 10.1029/2011JG001830.

  337. 2012 SAÑUDO-WILHELMY, S. A., L. S. CUTTER, R. DURAZO, E. A. SMAIL, L. GÓMEZ-CONSARNAU, E. A. WEBB, M. G. PROKOPENKO, W. M. BERELSON and D. M. KARL. Multiple B-vitamin depletion in large areas of the coastal ocean. Proceedings of the National Academy of Sciences, 109: 14041-14045.

  338. 2012 WILSON, S. T., D. BÖTTJER, M. J. CHURCH and D. M. KARL. Comparative assessment of nitrogen fixation methodologies conducted in the oligotrophic North Pacific Ocean. Applied and Environmental Microbiology, 78: 6516-6523.

  339. 2012 DUHAMEL, S., K. M. BJÖRKMAN and D. M. KARL. Light dependence of phosphorus uptake by microorganisms in the North and South Pacific Ocean. Aquatic Microbial Ecology, 67: 225-238.

  340. 2012 KARL, D. M. Mid-Pacific Oceanography: University of Hawaii and the Sea. Mains'l Haul 48: 88-99.

  341. 2013 HUNT, D., Y. LIN, M. CHURCH, D. KARL, S. TRINGE, L. IZZO and Z. JOHNSON. Relationship between abundance and specific activity of bacterioplankton in open ocean surface waters. Applied and Environmental Microbiology, 79: 177-184.

  342. 2013 FLOMBAUM, P., J. L. GALLEGOS, R. A. GORDILLO, J. RINCON, L. L. ZABALA, N. JIAO, D. M. KARL, W. K. LI, M. W. LOMAS, D. VENEZIANO, C. S. VERA, J. A. VRUGT and A. C. MARTINY. Present and future global distributions of the marine Cyanobacteria Prochlorococcus and Synechococcus. Proceedings of the National Academy of Sciences USA, 110: 9824 - 9829.

  343. 2013 ASCANI, F., K. J. RICHARDS, E. FIRING, S. GRANT, K. S. JOHNSON, Y. JIA, R. LUKAS and D. M. KARL. Physical and biological controls of nitrate concentrations in the upper subtropical North Pacific Ocean. Deep-Sea Research II, 93: 119-134.

  344. 2013 LI, B., D. M. KARL, R. M. LETELIER, R. R. BIDIGARE and M. J. CHURCH. Variability of chromophytic phytoplankton in the North Pacific Subtropical Gyre. Deep-Sea Research II, 93: 84-95.

  345. 2013 PELOQUIN, J., C. SWAN, N. GRUBER, M. VOGT, H. CLAUSTRE, J. RAS, J. UITZ, R. BARLOW, M. BEHRENFELD, R. BIDIGARE, H. DIERSSEN, G. DITULLIO, E. FERNANDEZ, C. GALLIENNE, S. GIBB, R. GOERICKE, L. HARDING, E. HEAD, P. HOLLIGAN, S. HOOKER, D. KARL, M. LANDRY, R. LETELIER, C.A. LLEWELLYN, M. LOMAS, M. LUCAS, A. MANNINO, J.-C. MARTY, B. G. MITCHELL, F. MULLER-KARGER, N. NELSON, C. O'BRIEN, B. PREZELIN, D. REPETA, W. O. SMITH JR., D. SMYTHE-WRIGHT, R. STUMPF, A. SUBRAMANIAM, K. SUZUKI, C. TREES, M. VERNET, N. WASMUND, AND S. WRIGHT. The MAREDAT global database of high performance liquid chromatography marine pigment measurements. Earth System Science Data 5: 109-123.

  346. 2013 MARTÍNEZ-GARCÍA, S., E. FERNANDEZ, D. A. DEL VALLE, D. M. KARL and E. TEIRA. Experimental assessments of marine bacterial respiration. Aquatic Microbial Ecology, 70: 189-205.

  347. 2013 WILSON, S. T., D. A. DEL VALLE, J. C. ROBIDART, J. P. ZEHR and D. M. KARL. Dissolved hydrogen and nitrogen fixation in the oligotrophic North Pacific Subtropical Gyre. Environmental Microbiology Reports, 5: 697-704.

  348. 2013 MARTINEZ, A., L. A. VENTOURAS, S. T. WILSON, D. M. KARL and E. F. DeLONG. Metatranscriptomics and functional metagenomics analysis of methylphosphonate utilization by marine bacteria. Frontiers in Microbiology 4, doi: 10.3389/ fmicb.2013.00340.

  349. 2013 WILSON, S. T. and D. M. KARL. A high-resolution insight into microbial biogeochemistry in the North Pacific Ocean. Current: The Journal of Marine Education, 28: 20-21.

  350. 2014 KARL, D. M. Microbially mediated transformations of phosphorus in the sea: New views of an old cycle. Annual Review of Marine Science, 6: 279-337.

  351. 2014 KARL, D. M. Solar energy capture and transformation in the sea. Elementa, doi: 10.12952/ journal.elementa.000021.

  352. 2014 WILSON, S. T., D. A. DEL VALLE, M. SEGURA-NOGUERA and D. M. KARL. A role for nitrite in the production of nitrous oxide in the lower euphotic zone of the oligotrophic North Pacific Ocean. Deep-Sea Research I, 85: 47-55.

  353. 2014 KARL, D. M. and W. H. SCHLESINGER (eds.), Biogeochemistry, 2nd edn., vol. 10 of Treatise on Geochemistry (Holland, H. D. and K. K. Turekian, Exec. Eds), Elsevier, Oxford, UK, 649 pp.

  354. 2014 LUO, Y.-W., I. D. LIMA, D. M. KARL, C. A. DEUTSCH and S. C. DONEY. Data-based assessment of environmental controls on global marine nitrogen fixation. Biogeosciences, 11: 691-708.

  355. 2014 DURHAM, B. P., J. GROTE, K. A. WHITTAKER, S. J. BENDER, H. LUO, S. L. GRIM, J. M. BROWN, J. R. CASEY, A. DRON, L. FLOREZ-LEIVA, A. KRUPKE, C. M. LURIA, A. H. MINE, O. D. NIGRO, S. PATHER, A. TALARMIN, E. K. WEAR, T. S. WEBER, J. M. WILSON, M. J. CHURCH, E. F. DeLONG, D. M. KARL, G. F. STEWARD, J. M. EPPLEY, N. C. KYRPIDES, S. SCHUSTER and M. S. RAPPE. Draft genome sequence of marine alphaproteobacterial strain HIMB11, the first cultivated representative of a unique lineage within the Roseobacter clade possessing an unusually small genome. Standards in Genomic Sciences, 9: 632-645.

  356. 2014 ROBIDART, J. C., M. J. CHURCH, J. P. RYAN, F. ASCANI, S. T. WILSON, D. BOMBAR, R. MARIN III, K. J. RICHARDS, D. M. KARL, C. A. SCHOLIN and J. P. ZEHR. Ecogenomic sensor reveals controls on N2-fixing microorganisms in the North Pacific Ocean. ISME Journal, 8: 1175-1185.

  357. 2014 DUHAMEL, S., K. M. BJÖRKMAN, J. K. DOGGETT and D. M. KARL. Microbial response to enhanced phosphorus cycling in the North Pacific Subtropical Gyre. Marine Ecology Progress Series, 504: 43-58.

  358. 2014 KARL, D. M. Roger Revelle Commemorative Lecture: The contemporary challenge of the sea: Science, society and sustainability. Oceanography, 27: 208-225.

  359. 2014 BÖTTJER, D., D. M. KARL, R. M. LETELIER, D. A. VIVIANI and M. J. CHURCH. Experimental assessment of diazotroph responses to elevated seawater pCO2 in the North Pacific Subtropical Gyre. Global Biogeochemical Cycles, 28: 601-616.

  360. 2014 LAWS, E. A., R. M. LETELIER and D. M. KARL. Estimating the compensation irradiance in the ocean: The importance of accounting for non-photosynthetic uptake of inorganic carbon. Deep-Sea Research I, 93: 35-40.

  361. 2014 SHARMA, A. K., J. W. BECKER, E. A. OTTESEN, J. A. BRYANT, S. DUHAMEL, D. M. KARL, O. X. CORDERO, D. J. REPETA and E. F. DeLONG. Distinct dissolved organic matter sources induce rapid transcriptional responses in coexisting populations of Prochlorococcus, Pelagibacter and the OM60 clade. Environmental Microbiology, 16: 2815-2830.

  362. 2014 KARL, D. M. and M. J. CHURCH. Microbial Oceanography and the Hawaii Ocean Time-series programme. Nature Reviews Microbiology, 12: 699-713.

  363. 2014 DEL VALLE, D. A. and D. M. KARL. Aerobic production of methane from dissolved water-column methylphosphonate and sinking particles in the North Pacific Subtropical Gyre. Aquatic Microbial Ecology, 73: 93-105.

  364. 2014 BIDIGARE, R. R., F. R. BUTTLER, S. J. CHRISTENSEN, B. BARONE, D. M. KARL and S. T. WILSON. Evaluation of the utility of xanthophyll cycle pigment dynamics for assessing upper ocean mixing processes at Station ALOHA. Journal of Plankton Research, 36: 1423-1433.

  365. 2014 KIM, I.-N., K. LEE, N. GRUBER, D. M. KARL, J. L. BULLISTER, S. YANG and T.-W. KIM. Increasing anthropogenic nitrogen in the North Pacific Ocean. Science, 346: 1102-1106.

  366. 2014 DORE, J. E., M. J. CHURCH, D. M. KARL, D. W. SADLER and R. M. LETELIER. Paired windward and leeward biogeochemical time series reveal consistent surface ocean CO2 trends across the Hawaiian Ridge. Geophysical Research Letters, 41: 6459-6467.

  367. 2014 PÖRTNER, H.-O., D. M. KARL, P. W. BOYD, W. L. CHEUNG, S. E. LLUCH-COTA, Y. NOJIRI, D. N. SCHMIDT and P. O. ZAVIALOV. Ocean systems. In: Field, C. B. et al. (Eds.), Climate Change 2014: Impacts, Adaptation, and Vulnerability. Part A: Global and Sectoral Aspects. Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, pp. 411-484.

  368. 2015 KARL, D. M. and K. M. BJÖRKMAN. Dynamics of dissolved organic phosphorus. In: D. Hansell and C. Carlson, Eds., Biogeochemistry of Marine Dissolved Organic Matter, Academic Press, Burlington, MA, USA, pp. 233-334.

  369. 2015 FERRÓN, S., S. T. WILSON, S. MARTÍNEZ-GARCÍA, P. D. QUAY and D. M. KARL. Metabolic balance in the mixed layer of the oligotrophic North Pacific Ocean from diel changes in O2/Ar saturation ratios. Geophysical Research Letters, 42: 3421-3430.

  370. 2015 DEL VALLE, D. A., S. MARTÍNEZ-GARCÍA, S. A. SANUDO-WILHELMY, R. P. KIENE and D. M. KARL. Methionine and dimethylsulfoniopropionate as sources of sulfur to the microbial community of the North Pacific Subtropical Gyre. Aquatic Microbial Ecology, 75: 103-116.

  371. 2015 MARTÍNEZ-GARCÍA, S. and D. M. KARL. Microbial respiration in the euphotic zone at Station ALOHA. Limnology and Oceanography, 60: 1039-1050.

  372. 2015 NICHOLSON, D. P., S. T. WILSON, S. C. DONEY and D. M. KARL. Quantifying subtropical North Pacific gyre mixed layer primary productivity from Seaglider observations of diel oxygen cycles. Geophysical Research Letters, 42: 4032-4039.

  373. 2015 FONTANEZ, K. M., J. M. EPPLEY, T. J. SAMO, D. M. KARL and E. F. DELONG. Microbial community structure and function on sinking particles in the North Pacific Subtropical Gyre. Frontiers in Microbiology 6: Article 469, doi:10.3389/fmicb.2015.00469.

  374. 2015 COMFORT, C. M., M. A. McMANUS, S. J. CLARK, D. M. KARL and C. E. OSTRANDER. Environmental properties of coastal waters in Mamala Bay, Oahu, Hawaii at the future site of a seawater air conditioning outfall. Oceanography, 28: 230-239.

  375. 2015 BARONE, B., R. R. BIDIGARE, M. J. CHURCH, D. M. KARL, R. M. LETELIER and A. WHITE. Particle distributions and dynamics in the euphotic zone of the North Pacific Subtropical Gyre. Journal of Geophysical Research - Oceans, 120: 3229-3247.

  376. 2015 BOMBAR, D., C. D. TAYLOR, S. T. WILSON, J. C. ROBIDART, A. RABINES, K. A. TURK-KUBO, J. N. KEMP, D. M. KARL and J. P. ZEHR. Measurements of nitrogen fixation in the oligotrophic North Pacific Subtropical Gyre using a free-drifting submersible incubation device. Journal of Plankton Research, 37: 727-739.

  377. 2015 CASEY, J. R., P. G. FALKOWSKI and D. M. KARL. Substrate selection for heterotrophic bacterial growth in the sea. Marine Chemistry, 177: 349-356.

  378. 2015 VIVIANI, D. A., D. M. KARL and M. J. CHURCH. Variability in photosynthetic production of dissolved and particulate organic carbon in the North Pacific Subtropical Gyre. Frontiers in Marine Science 2: Article 73, doi: 10.3389/fmars.2015.0073.

  379. 2015 WILSON, S. T., B. BARONE, F. ASCANI, R. R. BIDIGARE, M. J. CHURCH, D. A. DEL VALLE, S. T. DYHRMAN, S. FERRÓN, J. N. FITZSIMMONS, L. W. JURANEK, Z. S. KOLBER, R. M. LETELIER, S. MARTÍNEZ-GARCÍA, D. P. NICHOLSON, K. J. RICHARDS, Y. M. RII, M. ROUCO, D. A. VIVIANI, A. E. WHITE, J. P. ZEHR and D. M. KARL. Short-term variability in euphotic zone biogeochemistry and primary productivity at Station ALOHA: A case study of summer 2012. Global Biogeochemical Cycles, 29: 1145-1164.

  380. 2015 WHITE, A. E., R. M. LETELIER, A. L. WHITMIRE, B. BARONE, R. R. BIDIGARE, M. J. CHURCH and D. M. KARL. Phenology of particle size distributions and primary productivity in the North Pacific subtropical gyre (Station ALOHA). Journal of Geophysical Research - Oceans, 120, 7381-7399, doi:10.1002/2015JC010897.

  381. 2015 ALEXANDER, H., M. ROUCO, S. T. HALEY, S. T. WILSON, D. M. KARL and S. T. DYHRMAN. Functional group-specific traits drive phytoplankton dynamics in the oligotrophic ocean. Proceedings of the National Academy of Sciences USA, 112: E5972-E5979, doi: 10.1073/pnas.1518165112.

  382. 2015 DIAZ, J. M., K. M. BJÖRKMAN, S. T. HALEY, E. D. INGALL, D. M. KARL, A. F. LONGO, S. T. DYHRMAN. Polyphosphate dynamics at Station ALOHA, North Pacific subtropical gyre. Limnology and Oceanography, 61:227-239, doi: 10.1002/lno.10206.

  383. 2015 BRYANT J. A., F. D. AYLWARD, J. M. EPPLEY, D. M. KARL, M. J. CHURCH and E. F. DELONG. Wind and sunlight shape microbial diversity in surface waters of the North Pacific Subtropical Gyre. ISME Journal, 10:1308-1322, doi: 10.1038/ismej.2015.221.

  384. 2015 BJÖRKMAN, K., M. CHURCH, J. DOGGETT and D. KARL. Differential assimilation of inorganic carbon and leucine by Prochlorococcus in the oligotrophic North Pacific Subtropical Gyre. Frontiers in Microbiology 6: Article 1401, doi: 10.3389/fmicb.2015.01401.

  385. 2016 RII, Y. M., S. DUHAMEL, R. R. BIDIGARE, D. M. KARL, D. J. REPETA and M. J. CHURCH. Diversity and productivity of photosynthetic picoeukaryotes in biogeochemically distinct regions of the South East Pacific Ocean. Limnology and Oceanography, 61: 806-824.

  386. 2016 BRYANT, J. A., T. M. CLEMENTE, D. A. VIVIANI, A. A. FONG, K. A. THOMAS, P. KEMP, D. M. KARL, A. E. WHITE and E. F. DELONG. Diversity and activity of communities inhabiting plastic debris in the North Pacific Gyre. mSystems 1(3): e00024-16.doi:10.1128/mSystems.00024-16.

  387. 2016 FERRÓN, S., D. A. DEL VALLE, K. M. BJÖRKMAN, P. D. QUAY, M. J. CHURCH and D. M. KARL. Application of membrane inlet mass spectrometry to measure aquatic gross primary production by the 18O in vitro method. Limnology and Oceanography: Methods, 14: 610-622, doi: 10.1002/lom3.10116.

  388. 2016 LAWS, E. A., R. R. BIDIGARE and D. M. KARL. Enigmatic relationship between Chlorophyll a concentrations and photosynthetic rates at Station ALOHA. Heliyon 2: e00156.

  389. 2016 FOREMAN, R., M. SEGURA-NOGUERA and D. M. KARL. Validation of Ti(III) as a reducing agent in the chemiluminescent determination of nitrate and nitrite in seawater. Marine Chemistry 186: 83-89.

  390. 2016 REPETA, D. J., S. FERRÓN, O. A. SOSA, C. G. JOHNSON, L. D. REPETA, M. ACKER, E. F. DELONG and D. M. KARL. Marine methane paradox explained by bacterial degradation of dissolved organic matter. Nature Geoscience, 9: 884-887, doi: 1038/NGEO2837.

  391. 2016 CASEY, J., A. MARDINOGLU, J. NIELSEN and D. KARL. Adaptive evolution of phosphorus metabolism in Prochlorococcus. mSystems, 1:e00065-16, doi: 10.1128/mSystems.00065-16.

  392. 2016 ROUCO, M., S. T. HALEY, H. ALEXANDER, S. T. WILSON, D. M. KARL and S. T. DYHRMAN. Variable depth distribution of Trichodesmium clades in the North Pacific Ocean. Environmental Microbiology Reports, 8: 1058-1066.

  393. 2016 RII, Y. M., D. M. KARL and M. J. CHURCH. Temporal and vertical variability in picophytoplankton primary productivity in the North Pacific Subtropical Gyre. Marine Ecology Progress Series, 562: 1-18.

  394. 2016 TALARMIN, A., M. W. LOMAS, Y. BOZEC, N. SAVOYE, H. FRIGSTAD, D. M. KARL and A. C. MARTINY. Seasonal and long-term changes in elemental concentrations and ratios of marine particulate organic matter. Global Biogeochemical Cycles, 30: 1699-1711.

  395. 2017 BÖTTJER, D., E. DORE, D. M. KARL, R. M. LETELIER, C. MAHAFFEY, S. T. WILSON, J. ZEHR and M. J. CHURCH. Temporal variability of dinitrogen fixation and particulate nitrogen export at Station ALOHA. Limnology and Oceanography, 62: 200-216, doi: 10.1002/lno.10386.

  396. 2017 ZIGAH, P. K., A. P. McNICHOL, L. XU, C. JOHNSON, C. SANTINELLI, D. M. KARL and D. J. REPETA. Allochthonous sources and dynamic cycling of ocean dissolved organic carbon revealed by carbon isotopes. Geophysical Research Letters, 44: 2407-2415, doi: 10.1002/2016GL071348.

  397. 2017 DUHAMEL, S., K. M. BJÖRKMAN, D. J. REPETA and D. M. KARL. Phosphorus dynamics in biogeochemically distinct regions of the southeast subtropical Pacific Ocean. Progress in Oceanography, 151: 261-274.

  398. 2017 LETELIER, R. M., A. E. WHITE, R. R. BIDIGARE, B. BARONE, M. J. CHURCH and D. M. KARL. Light absorption by phytoplankton in the North Pacific subtropical gyre. Limnology and Oceanography, 62: 1526-1540, doi: 10.1002/lno.10515.

  399. 2017 EICHNER, M. J., I.KLAWONN, S. T. WILSON, S. LITTMANN, M. WHITEHOUSE, M. J. CHURCH, M. M. M. KUYPERS, D. M. KARL and H. PLOUG. Chemical microenvironments and single-cell carbon and nitrogen uptake in field-collected colonies of Trichodesmium under different pCO2. ISME Journal 11: 1305-1317, doi: 10.1038/ismej.2017.15.

  400. 2017 KARL, D. M. and M. J. CHURCH. Ecosystem structure and dynamics in the North Pacific Subtropical Gyre: New views of an old ocean. Ecosystems 20: 433-457, doi: 10.1007/s10021-017-0117-0.

  401. 2017 WHITE, A. E., B. BARONE, R. M. LETELIER and D. M. KARL. Productivity diagnosed from the diel cycle of particulate carbon in the North Pacific Subtropical Gyre. Geophysical Research Letters 44: 3752-3760, doi: 10.1002/2016GL071607.

  402. 2017 KARL, D. M. and E. GRABOWSKI. The importance of H in particulate matter stoichiometry, export and energy flow. Frontiers in Microbiology, 8: Article 826. doi: 10.3389/fmicb.2017.00826.

  403. 2017 WILSON, S. T., F. O. AYLWARD, F. RIBALET, B. BARONE, J. R. CASEY, P. E. CONNELL, J. M. EPPLEY, S. FERRÓN, J. N. FITZSIMMONS, C. T. HAYES, A. E. ROMANO, K. A. TURK-KUBO, A. VISLOVA, E. V. ARMBRUST, D. A. CARON, M. J. CHURCH, J. P. ZEHR, D. M. KARL and E. F. DeLONG. Coordinated regulation of growth, activity and transcription in natural populations of the unicellular nitrogen-fixing cyanobacterium Crocosphaera. Nature Microbiology 2, article 17118, doi: 10.1038/nmicrobiol.2017.118.

  404. 2017 MENDE, D. R., J. A. BRYANT, F. O. AYLWARD, J. M. EPPLEY, T. NIELSEN, D. M. KARL and E. F. DeLONG. Environmental drivers of a genomic transition zone in the ocean's interior. Nature Microbiology, in press.

  405. 2017 SOSA, O. A., D. J. REPETA, S. FERRÓN, J. A. BRYANT, D. R. MENDE, D. M. KARL and E. F. DeLONG. Isolation and characterization of bacteria that degrade phosphonates in marine dissolved organic matter. Frontiers in Microbiology, in press.

  406. 2017 WILSON, S. T., S. FERRÓN and D. M. KARL. Interannual variability of methane and nitrous oxide in the North Pacific Subtropical Gyre. Geophysical Research Letters, in press.


In Review


Invited Seminars, Symposia & Workshops

Invited speaker, ASTM-sponsored symposium on "Methodology for biomass determinations and microbial activity measurements in sediments", January 1978, Fort Lauderdale, Florida

Invited participant, NOAA-sponsored workshop on "Carrying capacity of U.S. coastal waters", August 1979, Crystal Mountain, Washington

Invited speaker, Hawaiian Academy of Science-sponsored Frontiers in Science in Hawaii Symposium on "Oasis of life in the deep-sea", September 1979, Honolulu, Hawaii

Invited speaker, Freshwater Prawn Farming Workshop on "Pond ecosystem: Heterotrophic productivity", September 1979, Honolulu, Hawaii

Invited speaker, Gordon Conference on Chemical Oceanography on "Microbial transformations of carbon at oceanic discontinuities", January 1980, Santa Barbara, California

Invited participant, Brookhaven National Laboratory-sponsored workshop on "Environmental consequences of OTEC", January 1980, Upton, New York

Invited speaker, Department of Biology Colloquium, University of Rochester on "Life without light: Biological investigations of the Galapagos Rift", January 1980, Rochester, New York

Invited participant, NSF-sponsored workshop on "Midwater ecosystems", January 1980, Santa Barbara, California

Invited speaker, Fifth Annual Student Symposium on Marine Affairs on "Oasis of life in the deep-sea", March 1980, Hilo, Hawaii

Invited session coordinator, co-chairman, "Microbially-mediated marine chemistry", American Geophysical Union meeting, December 1980, San Francisco, California

Invited speaker, American Society for Limnology and Oceanography Symposium on geochemical fluxes at the water-sediment boundary of the deep sea, "Microbial life in marine sediments: Review and prospectus", December 1980, Seattle, Washington

Invited participant, Sandia National Laboratory-sponsored workshop on "Subseabed disposal of high-level nuclear wastes", January 1981, Jackson, Wyoming

Invited participant, NSF-sponsored workshop on "Plankton rate processes in oligotrophic oceans", January 1981, San Diego, California

Invited speaker, XIII International Congress of Microbiology Symposium on aquatic microbial communities, "Microbial biomass and activity: Measurement in the planktonic community", August 1982, Boston, Massachusetts

Invited speaker, American Society for Microbiology Symposium on microbial production in the ocean, "Nucleotides, nucleotide metabolism and nucleic acid synthesis: Applications to studies in microbiological oceanography", March 1982, Atlanta, Georgia

Invited speaker and participant, Microbial Ecology and Planetary Biology summer course August 1982, Santa Clara, California

Visiting scholar, Woods Hole Oceanographic Institution "The development of new experimental methods and their application to the field of microbiological oceanography" and "The use of sediment traps to study microbial processes in the sea: Results from the VERTEX experiments", October 1982, Woods Hole, Massachusetts

Invited speaker, University of Hawaii at Hilo Sigma Xi lecture series on "The chemistry and biology of the Pacific hydrothermal vents", November 1982, Hilo, Hawaii

Invited speaker, Marine Science Institute - University of Texas on "Microbial life at the deep-sea hydrothermal vents: Results from project OASIS", March 1983

Invited speaker and participant, CCOP-SOPAC sponsored workshop on the use of manned submersibles and remotely-operated vehicles in the South Pacific, October 1983, Souva, Fiji

Invited speaker, American Zoological Society Meeting - Special Symposium on "The hydrothermal vents of the eastern Pacific: An overview", December 1983, Philadelphia, Pennsylvania

Invited participant, National Academy of Sciences-sponsored workshop on "Ocean fluxes", September 1984, Woods Hole, Massachusetts

Invited speaker, American Society for Microbiology Symposium on "Novel methods and instrumentation for microbial ecology", March 1985, Las Vegas, Nevada

Invited participant, National Science Foundation-sponsored workshop on "Global ocean flux: The Pacific Ocean experiment", November 1985, San Francisco, California

Invited speaker and participant, National Science Foundation-sponsored workshop on "Global ocean flux: Upper water column processes", March 1986, Horn Point, Maryland

Invited participant, National Academy of Sciences-sponsored planning meeting for a workshop on "Lithosphere genesis and rigdecrest processes", June 1986, Washington, D.C.

Invited speaker and participant, National Science Foundation-sponsored workshop on "Global ocean flux: Transformations in the ocean's interior", September 1986, San Francisco, California

Invited session coordinator and contributor, American Association for the Advancement of Science (AAAS) Symposium on "Deep-sea hydrothermal vents and cold water seeps: Recent advances", February 1987, Chicago, Illinois

Invited speaker, Society for General Microbiology Symposium on "Ecology of microbial communities", April 1987, St. Andrews, Scotland

Invited session coordinator and speaker, American Society of Limnology and Oceanography Symposium on "Marine microbial communities", June 1987, Madison, Wisconsin

Visiting scientist, Institute for Ecosystems Studies, "The role of bacterial chemolithotrophy in the productivity of deep-sea vents", May 1987, Milbrook, New York

Invited speaker, Department of Business and Economic Development, State of Hawaii- sponsored workshop on Energy in the 1980's, "Alternate energy in the biosphere", August 1987, Honolulu, Hawaii

Invited participant, NSF-sponsored workshop on "International global ocean flux studies", September 1987, Paris, France

Invited participant, NSF-sponsored planning workshop on "Pacific Ocean global ocean flux studies", February 1988, Monterey, California

Invited participant, NSF-sponsored planning workshop on "Ridge initiative: Seafloor experimentation group", March 1987, La Jolla, California

Invited speaker, NSF-sponsored symposium on Dissertations in Chemical Oceanography, "Research opportunities in Hawaiian waters", November 1988, Honolulu, Hawaii

Invited speaker and participant, NSF/GOFS-sponsored workshop on sediment traps, "Determination of total C, N, P flux" and "Screens: A potential solution to the problem of swimmers", November 1988, Gulf Coast Research Laboratory, Mississippi

Invited participant and local host, SCOR/JGOFS-sponsored workshop on Pacific Ocean Program planning, September 1989, Honolulu, Hawaii

Local host, DISCO IX (Dissertation symposium in Chemical Oceanography) meeting, February 1990, Honolulu, Hawaii

Speaker and invited participant, US/JGOFS-sponsored workshop on the Southern Ocean, October 1990, Lamont-Doherty Geological Observatory, New York

Invited participant, "JGOFS time-series programs," December 1990, San Francisco, California

Local host, speaker and participant, NSF-sponsored workshop on "Analysis and characterization of marine particles," January 1991, Honolulu, Hawaii

Invited participant and session chair, ASLO Symposium on "What controls phytoplankton production in nutrient- rich waters," February 1991, Lake San Marcos, California

Invited speaker, "The Hawaii Ocean Time-series program: Carbon production and particle flux", The Oceanography Society 2nd Annual Meeting, March 1991, St. Petersburg, Florida

Invited participant, JGOFS time-series implementation workshop, May 1991, Bremen, Germany

Invited speaker and session chair, NATO symposium on "Biology and Ecology of Diazotrophic Marine Organisms," May 1991, Bamberg, Germany

Invited speaker, NSF-sponsored Young Scholars Polar Science Seminar, Louisiana Universities Marine Consortium (LUMCON), May 1991, Chauvin, Louisiana.

Invited participant, NSF-sponsored DOC/DON intercomparison workshop, July 1991, University of Washington, Seattle, Washington

Invited participant, NSF-sponsored workshop on "Long-Range Autonomous Underwater Vehicles," October 1991, University of New Hampshire, Durham, New Hampshire

Local host, DISCO X (Dissertation Symposium in Chemical Oceanography) meeting, November 1991, Honolulu, Hawaii

Invited speaker, NSF-sponsored GLOBEC scientific steering committee meeting, "Hawaii Ocean Time-series (HOT) program: A GLOBEC 'Blue Water' initiative," March 1992, Honolulu, Hawaii

Invited speaker and participant, IGBP International Symposium on Global Change, "Oceanic ecosystem variability: Initial results from the JGOFS Hawaii Ocean Time-series (HOT) experiment," March 1992, Tokyo, Japan

Invited speaker and participant, U.S.-Chile Antarctic Science Symposium, "Microbial interactions in Antarctic marine ecosystems: Analysis of future studies," April 1992, Punta Arenas, Chile

Invited speaker, Conoco HOT Topics Seminar Series, "The U.S.-JGOFS Hawaii Ocean Time-Series (HOT) Program: Biogeochemical Vignettes from the Oligotrophic North Pacific Ocean" and "Temporal Variability in Bioelement Flux at Station ALOHA (22°45'N, 158°W)", May 1992, Woods Hole, Massachusetts

Invited speaker, Sixth International Symposium on Microbial Ecology, "Bacterial-algal interactions in Antarctic coastal ecosystems," September 1992, Barcelona, Spain

Invited speaker and participant, L. Pomeroy Retirement Symposium on "Microbial Food Web Paradigms," October 1993, Athens, Georgia

Organizer, host, speaker and participant, HOT-50 Science Symposium, East-West Center, November 1993, Honolulu, Hawaii

Invited speaker, "HOT: The first five years," The Oceanography Society Pacific Ocean Symposium, July 1994, Honolulu, Hawaii

Invited speaker, "Oceanic carbon cycle and global environmental change: A microbiological perspective," Seventh International Symposium on Microbial Ecology (ISME), August 1995, Santos, Brazil

Invited speaker and participant, "Colloquium on the Marine Environment," December 1995, University of Hawaii

Invited speaker, Princeton Environmental Institute, Princeton University, "Nutrient dynamics in the central North Pacific Ocean," April 1996, Princeton, New Jersey

Invited speaker and participant, "LMER-LTER-JGOFS Common Futures" workshop, July 1996, Madison, Wisconsin

Invited speaker and participant, JGOFS Synthesis and Modeling Workshop, August 1996, Durham, New Hampshire

Invited participant, NSF-sponsored Life in Extreme Environments (LExEn) program briefing to NSF Director Lane, October 1996, Arlington, Virginia

Invited speaker, participant and co-convenor, Inter-American Institute (IAI)-sponsored workshop on Ocean Time-series science, November 1996, Dichato, Chile

Invited participant, "Sea Ice Ecology," Gordon Research Conference, February 1997, Ventura, California

Invited participant and session convenor, NSF-sponsored "Deep biosphere" workshop, March 1997, Washington, D.C.

Invited speaker and participant, IOC sponsored workshop on Ocean Time-series, March 1997, Baltimore, Maryland

Invited keynote speaker, Hawaii Science Teachers Association (HaSTA) spring conference, May 1997

Invited participant, GLOBEC Southern Ocean planning group meeting, August 1997, San Diego, California

Invited speaker and participant, Dedication ceremonies for the research vessel Laurence M. Gould, October 1997, La Rose, Louisiana

Invited speaker and participant, "The Southern Ocean Biological Pump, " Long-Term Ecological Research (LTER) All Scientists meeting, November 1997, Santa Barbara, California

Invited speaker, "Critical Issues in Marine Science Seminar Series," University of Texas, May 1998, Port Aransas, Texas

Invited speaker and participant, National Research Council Ecosystem Panel workshop on "Grand Challenges in Ecosystems Science for the Year 2030," July 1998, St. Michaels, Maryland

Invited speaker and participant, JGOFS-SMP workshop on "The Response of Ocean Biology and Biogeochemistry to Global Warming," July 1998, Durham, New Hampshire

Invited speaker and participant, Biotechnology Partnership Opportunities workshop, July 1998, Honolulu, Hawaii

Co-Organizer (with R. Bell), speaker and participant, NSF-sponsored workshop, "Lake Vostok: A curiosity or a focus for interdisciplinary study?", November 1998, Washington, D.C.

Invited keynote speaker, Ocean Optics XIV meeting, November 1998, Kailua-Kona, Hawaii.

Group leader and participant, National Center for Ecological Analysis and Synthesis workshop on Nitrogen Transport. WG3. Nitrogen Fixation in the Worlds Oceans I, December 1998, Santa Barbara, California.

Invited speaker and participant, JGOFS North Pacific Workshop / South-East Asia Time-series Station Planning Meeting, March 1999, Taipei, Taiwan.

Invited speaker, John C. Ludwick Memorial Lecture in Oceanography and Marine Science, Old Dominion University, April 1999, Norfolk, Virginia.

Invited participant, Decade Ocean Planning Meeting, Yale University, May 1999, New Haven, Connecticut.

Invited speaker and participant, Bioastronomy 99: A New Era in Bioastronomy, 6th Bioastronomy meeting, August 1999, Kamuela, Hawaii.

Invited speaker and participant, Scientific Committee on Antarctic Research workshop on Lake Vostok, September 1999, Cambridge, United Kingdom.

Invited plenary session speaker, 2000 Ocean Sciences meeting, "The North Pacific Subtropical Gyre: New Views of an Old Ocean," January 2000, San Antonio, Texas.

Invited speaker and panelist, "You never know where science will lead you," Annual Hawaii Academy of Sciences Pacific High School Science Symposium, February 2000, Honolulu, Hawaii.

Invited speaker and participant, International Symposium on Carbon Cycle in the North Pacific, February 2000, Nagoya, Japan.

Invited speaker and participant, Ocean Carbon Transport, Exchange and Transformations (OCTET) workshop, March 2000, Warrenton, Virginia.

Invited participant, Ecological Determinants of Oceanic Carbon Cycling (EDOCC) workshop, March 2000, Timberline Lodge, Mt. Hood, Oregon.

Invited speaker, session organizer and participant, JGOFS Open Sciences Conference, "Ocean Biogeochemistry: A New Paradigm," April 2000, Bergen Norway.

Invited speaker, International Workshop on Autonomous Measurements of Biogeochemical Parameters in the Ocean, "Autonomous Biogeochemical Measurements in HOT," February 2001, Honolulu, Hawaii.

Invited speaker and discussion leader, Gordon Research Conference on Polar Marine Sciences, "New Polar Paradigms: Planktonic Archaea and Ice-assisted Carbon Pumps," March 2001, Ventura, California.

Invited plenary speaker, American Society of Limnology and Oceanography-sponsored symposium on Ocean Fertilization, "The Ocean's Biological Pump," April 2001, Washington, D.C.

Invited plenary speaker, IGBP Global Change Open Science Conference, Challenges of a Changing Earth, July 2001, Amsterdam, The Netherlands.

Invited speaker and participant, Lake Vostok science briefing, NSF Office of Polar Programs, August 2001, Washington, D.C.

Invited speaker at symposium entitled "An Appreciation of 50 years of the Study of Primary Production in the Oceans and Lakes," presentation on "North Pacific Subtropical Gyre: A Sea of Change," March 2002, Bangor, Wales.

Invited plenary speaker, American Society of Microbiology Hawaii Brunch annual meeting, "Hidden in a Sea of Microbes," April 2002, Honolulu, Hawaii.

Co-organizer and plenary speaker, "Ocean Time-series Summit: Changing Paradigms," April 2002, Vancouver, B.C., Canada.

Invited speaker, JGOFS Synthesis and Modeling Workshop, "Deep Secrets from the Marine Microbial Food Web," July 2002, Woods Hole, Massachusetts.

Invited speaker, Gordon Research Conference in Chemical Oceanography, Ocean Chemistry Interactions with Biological Systems, presentation on "Ecological Stoichiometry in the Central North Pacific (C-N-P in the CNP)," August 2002, Oxford, England.

Distinguished lecturer, "Semester in Environmental Sciences" program, Marine Biological Laboratory, September 2002, Woods Hole, Massachusetts.

Invited plenary speaker, IGBP-SCOR Oceans: International Open Science Conference on Oceans: Ocean Biogeochemistry and Ecosystems Analysis, presentation on "A Sea of Change: Biogeochemical Variability in the North Pacific Subtropical Gyre," January 2003, Paris, France.

Invited plenary speaker, JGOFS Open Science Conference, "JGOFS Accomplishments and New Challenges", May 2003 Washington, D. C.

Invited speaker and participant, Agouron Institute-sponsored summer course in Geobiology, July 2003, Catalina Island, California.

Invited speaker and participant, A. P. Sloan and Gordon and Betty Moore Foundation-sponsored symposium on "Unveiling the Ocean's Hidden Majority: A Roadmap," November 2003, Monterey, California.

Invited speaker and participant, Agouron Institute-sponsored meeting on the "Future of Marine Microbial Ecology," January 2004, Del Mar, California.

Invited plenary speaker, MIT-ESI symposium "Was ... Is ... Might Be - perspectives on the evolution of the Earth system," March 2004, Cambridge, Massachusetts.

Invited speaker and session chair, 10th International Symposium on Microbial Ecology, "Microbial Planet: Subsurface to Space," August 2004, Cancun, Mexico.

Invited speaker and participant, The Agouron Institute-sponsored second workshop on Marine Microbial Ecology, November 2004, Pasadena, California.

Invited speaker and participant, International Census of Marine Microbes (ICoMM)'s Science Advisory Committee meeting, "Microbes in the Pelagic Realm", February 2005, Amsterdam, The Netherlands.

Member of Steering Committee and participant, National Oceanographic Partnership Programs' Ocean Ecogenomics Workshop, March 2005, Washington, D.C.

Member of Organizing Committee and participant, American Academy of Microbiology colloquium on "Marine Microbial Diversity: The Key to Earth's Habitability", April 2005, San Francisco, California, and co-author of final report (http://www.asm.org/Academy/index.asp?bid=39423).

Invited speaker and participant, International Census of Marine Microbes (ICoMM) workshop, "Microbial Oceanography: A Time for Action," May 2005, Honolulu, Hawaii

Louisiana State University Chancellor's Distinguished Lecturer, "Microbial Oceanography: Its Scope, Challenges and Opportunities," September 2005, Baton Rouge, Louisiana.

David Packard Distinguished Lecturer, "Microbial Oceanography: Its Scope, Challenges and Opportunities," November 2005, Monterey, California.

Co-organizer and faculty participant, C-MORE / Agouron Institute summer course in Microbial Oceanography, 2006-present, Honolulu Hawaii.

University of California at San Francisco Medical School - Department of Surgery, Grand Rounds Lecturer, "A Sea of Microbes," March 2006, San Francisco California.

Invited speaker at 50th anniversary of the Global Carbon Dioxide Record, "Improving the Efficiency of the Ocean's Biological Carbon Pump," November 2007, Kailua-Kona, Hawaii.

Invited plenary speaker at AAAS Annual meeting, "Breaking the Cycles: Climate & Microbes," February 2008, Boston, Massachusetts.

Invited speaker at Hopkins Marine Station, Stanford University, The van Niel Lecture, "Microbial Oceanography: A Sea of Opportunity," April 2008, Palo Alto, California.

Invited speaker at Hanauma Bay Educational Lecture Series, "Our Magnificent Marine Microbes," August 2008, Honolulu, Hawaii.

Invited speaker, 12th International Symposium on Microbial Ecology, "Microbial Processes at Station ALOHA," August 2008, Cairns, Australia.

Invited speaker at Women's Campus Club Centennial Celebration dinner, "Women's Campus Club: A Century of Leadership and Service," October 2008, Waialae Country Club, Honolulu, Hawaii.

Invited plenary speaker, IMBER-IMBIZO symposium, "Linking the Surface Ocean to the Deep Sea: Lessons from Station ALOHA," November 2008, Miami, Florida.

Co-organizer, host, participant and invited speaker at Symposium on Rising CO2 Ocean Acidification and their Impacts on Marine Microbes, "CO2, Acid and Microbes: Some Thoughts on Field Observations and Experimental Design," February 2009, East-West Center, Honolulu, Hawaii.

Invited speaker at American Institute of Architects Hawaii Branch Annual Meeting, "C-MORE Hale: A Novel Laboratory for the Study of Marine Microbes," May 2009, Honolulu, Hawaii.

Invited speaker at Gordon and Betty Moore Foundation's "Science Friday", "Our Magnificent Marine Microbes," April 2009, Palo Alto, California.

Invited distinguished lecturer at National Science Foundation Geosciences, "Marine Microbes: The Key to Earth's Habitability," April 2010, Arlington, Virginia.

Invited dinner speaker, OCB Time-series meeting, "The Joy of Time-series," September 2010, The Willows, Honolulu, Hawaii.

Invited lunch speaker, Engineers and Architects of Hawaii, "A Sea of Microbes," September 2010, Honolulu, Hawaii.

Co-organizer and participant, American Academy of Microbiology colloquium on "Linking Microbes to Climate", February 2011, Dallas, Texas.

Host and speaker for visiting Chinese delegations to the Asia-Pacific Economic Cooperation (APEC), "Ocean Observations," July 2011 and September 2011, Honolulu, Hawaii.

Organizer and speaker, COSEE-Pacific Partnership symposium on marine microbes, "Microbial Oceanography: Its Scope, Challenges and Opportunities," August 2011, Honolulu Hawaii.

Host and speaker, SOEST workshop on SWAC and OTEC, "Potential Environmental Consequences of OTEC," September 2011, Honolulu, Hawaii.

Organizer, host and participant in workshop on Enhanced Ocean Upwelling: Science, Engineering and Potential Applications, "Ocean Upwelling, New Production and Carbon Sequestration: Can We, or Should We, Enhance Nature?", November 2011, Honolulu, Hawaii.

Organizer and speaker, "Our Changing Planet: A Primer to the IPCC Process," C-MORE Hale Moore Conference Center, February 2012, Honolulu, Hawaii.

Participant, speaker, and panelist, Hawaii Executive Conference - Island Wisdom, Global Solutions, "Research as an Industry in Hawaii: Building for the Future," April 2012, Kohala, Hawaii.

Participant and co-author, University of Hawaii Sea Grant College Program's Center for Sustainable Coastal Tourism symposium "Indicators for Sustainable Coastal Tourism in Hawaii" (D. Spencer et al.) April 2012, Honolulu, Hawaii.

Invited speaker, University of Hawaii Alumni Association Golden Scholars Reunion - Class of 1962, "Aloha Class of 1962," October 2012, Honolulu, HI.

Invited speaker and organizing steering committee member, Microbial ecology and biogeochemistry of oxygen-deficient marine waters symposium, March 2013, Santa Cruz, Chile.

Invited speaker, Council on Foreign Relations roundtable, "Our Changing Planet and its Microbiome," June 2014, Washington, D.C.

Participant and speaker, "Critical Opportunities for Advanced Shipboard Oceanography in 2017: Biological Oceanography," Schmidt Ocean Institute planning workshop, August 2014, Kahuku, Hawaii.

Invited speaker, Friends of the Waikiki Aquarium Distinguished Lecture Series, "Science, Society and Sustainability in Hawaii," September 2014, Honolulu, HI.


Research Grants

  1. NATIONAL SCIENCE FOUNDATION DIVISION OF OCEAN SCIENCES
    "Request for research equipment: A photomultiplier assembly"
    July 1978, $7,525 (1 year)

  2. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Microbiological studies of the Galapagos Rift vents"
    October 1978, $4,922 (1 year)

  3. UNIVERSITY OF HAWAII RESEARCH COUNCIL
    "Bacterial activities at OTEC benchmark site, Ke-ahole Point, Hawaii"
    October 1978, $4,000 (1 year)

  4. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Microbial activity and growth in the ocean: Nucleotide fingerprints and rates of stable RNA synthesis"
    January 1979, $88,900 (2 years)

  5. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Hawaiian prawn aquaculture program: Biological basis of production" (with S. Malecha and E. Laws)
    June 1979, $150,190 (2 years)

  6. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "VERTEX: Role of microorganisms in biological cycling and material transfer in the ocean"
    April 1980, $214,456 (3 years)

  7. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Ecology of microorganisms: Nucleotide fingerprints of deep-sea hydrothermal vent microbial communities"
    June 1981, $56,472 (2 years)

  8. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Compound-specific analysis of dissolved organic carbon in seawater using enzyme systems coupled to immobilized bacterial luciferase"
    July 1981, $46,710 (2 years)

  9. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Chemistry, microbiology and hydrology of submarine hydrothermal vents associated with intraplate volcanism off the island of Hawaii" (with G. McMurtry and D. Epp)
    July 1981, $76,000 (2 years)

  10. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "VERTEX: Microbial production and decomposition of organic matter in association with suspended and sinking particles"
    April 1983, $307,000 (3 years)

  11. DEPARTMENT OF ENERGY - HAWAII NATURAL ENERGY INSTITUTE
    "Evaluation of the potential for biological abatement of hydrogen sulfide during geothermal energy production"
    May 1983, $19,500 (1 year)

  12. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Chemistry, microbiology and geology of the Puna Rift Zone" (with G. McMurtry and D. Epp)
    July 1983, $187,312 (2 years)

  13. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Microbial processes at the Guaymas Basin hydrothermal vents"
    February 1984, $197,118 (3 years)

  14. NATIONAL SCIENCE FOUNDATION
    "Presidential young investigator (PYI) Award"
    July 1984, $500,000 (5 years)

  15. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION
    "Microbiology of Juan de Fuca hydrothermal vents and plumes"
    July 1984, $41,000 (1 year)

  16. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "VERTEX: The coupling of epipelagic and mesopelagic zone microbial processes"
    April 1986, $247,820 (3 years)

  17. NATIONAL SCIENCE FOUNDATION - DEPARTMENT OF POLAR PROGRAMS
    "RACER: Microbiology and vertical flux component"
    June 1986, $95,816 (2 years)

  18. UNOLS - ALVIN REVIEW COMMITTEE
    "Microbiology and geochemistry of the West Florida cold seep area" (2 ALVIN dives)
    May 1986

  19. UNOLS - ALVIN REVIEW COMMITTEE
    "Search for hydrothermal vents on Loihi Seamount, Hawaii" (2 ALVIN dives)
    February 1987

  20. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Carbon production and decomposition in the Black Sea" (with G. A. Knauer; subcontract to WHOI - H. W. Jannasch, P.I.)
    March 1987, $22,382 (1 year)

  21. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Geology, geochemistry and microbiology of Loihi Seamount hydrothermal systems" (with G. McMurtry and A. Malahoff)
    March 1987, $160,000 (2 years)

  22. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "The effects of nutrient cycling and fluxes on fisheries production in the Penguin Bank ecosystem" (C. Agegian, P.I., F. Mackenzie and D. Karl, co-P.I.s)
    June 1987, $48,079 (2 years)

  23. UNIVERSITY OF HAWAII FOUNDATION / SKINNER FOUNDATION
    "Studies of Loihi sea mountain"
    May 1988, $10,000 (3 years)

  24. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "A multidisciplinary deep-water oceanographic station north of Oahu, Hawaii: GOFS component" (with C. D. Winn)
    June 1988, $1,600,000 (5 years)

  25. NATIONAL SCIENCE FOUNDATION - DIVISION OF POLAR PROGRAMS
    "Research experience for undergraduates"
    June 1988, $3,000 (1 year)

  26. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
    "Graduate training grant for Mr. Andrew Brittain"
    September 1988, $52,500 (3 years)

  27. NATIONAL SCIENCE FOUNDATION - DIVISION OF POLAR PROGRAMS
    "Antarctic oil spill emergency response: Microbiology component"
    April 1989, $18,000 (1 year)

  28. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Microbiology and chemistry of active hydrothermal vents on Loihi Seamount"
    June 1989, $40,000 (2 years)

  29. UNIVERSITY OF HAWAII OFFICE OF THE VICE PRESIDENT FOR RESEARCH AND GRADUATE EDUCATION PROJECT DEVELOPMENT GRANT
    "Establishment of a common-use seafloor laboratory facility in Hawaiian waters" (with C. D. Winn)
    July 1989, $60,000 (1 year)

  30. NATIONAL SCIENCE FOUNDATION - DIVISION OF POLAR PROGRAMS
    "Research on Antarctic coastal ecosystem rates: Microbial dynamics and carbon flux"
    July 1989, $470,663 (4 years)

  31. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Hawaii Ocean Time-Series: US-JGOFS Program Augmentation" (with C. D. Winn)
    September 1990, $251,000 (3 years)

  32. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - GLOBAL CHANGE OFFICE
    "Biogeochemical dynamics of the carbon cycle in the Central Pacific: A long-term monitoring program at Station Aloha (C. D. Winn, P.I.; D. M. Karl and F. Mackenzie, co-P.I.s)
    January 1991, $300,000 (2 years)

  33. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Isotopic analyses of DOC and cell concentrates" (B. N. Popp, P.I.; D. M. Karl and J. M. Hayes, co- P.I.s)
    October 1991, $250,000 (2 years)

  34. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Microbiology and chemistry of active hydrothermal vents on Loihi Seamount"
    August 1991, $42,336 (1 year)

  35. NATIONAL SCIENCE FOUNDATION - DIVISION OF POLAR PROGRAMS
    "Long-term ecological research (LTER) on the antarctic marine ecosystem: Microbiology and carbon flux"
    April 1992, $639,475 (4 years)

  36. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "The Hawaii Ocean Time-series program: JGOFS component" (D. Karl, P.I.; D. Hebel and L. Tupas, co- P.I.s)
    June 1993, $3,148,158 (5 years)

  37. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - SEA GRANT
    "Biodiversity and microbial processes at an active, hydrothermal vent system, Loihi Seamount, Hawaii" (D. Karl, P.I.; F. Dobbs, co-P.I.)
    August 1993, $180,000 (2 years)

  38. NATIONAL SCIENCE FOUNDATION DIVISION OF OCEAN SCIENCES
    "University of Hawaii Alfred Wegener Institute cooperative research program: Biochemistry of silica"
    June 1994, $57,269 (1 year)

  39. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION CARBON & GLOBAL CHANGE
    "Continuous measurements of biogeochemically relevant parameters within the US- JGOFS Hawaii Ocean Time-Series (HOT) Program"
    September 1994, $20,000 (1 year)

  40. NATIONAL SCIENCE FOUNDATION - DIVISION OF ENVIRONMENTAL BIOLOGY
    "LTER cross-site comparison: Microbial loop dynamics and regulation of bacterial physiology in subtropical and polar marine habitats"
    January 1996, $149,588 (2 years)

  41. NATIONAL SCIENCE FOUNDATION - DIVISION OF POLAR PROGRAMS
    "LTER: An ice-dominated environment"
    October 1996, $600,000 (6 years)

  42. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    "Deep-ocean instrumented mooring facility"
    October 1996, $186,700 + $93,350 UH matching funds (3 years)

  43. NATIONAL SCIENCE FOUNDATION DIVISION OF OCEAN SCIENCES
    "The Hawaii Ocean Time-series program: JGOFS component"
    August 1998, $2,100,000 (3 years)

  44. NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION SEA GRANT
    Rapid detection of specific marine microorganisms for marine environmental monitoring (with E. DeLong)
    March 1999, $40,000 (1 year)

  45. NATIONAL SCIENCE FOUNDATION DIVISION OF OCEAN SCIENCES
    Coupled intensification of nitrogen and phosphorus cycles in the subtropical North Pacific Ocean
    September 1999, $211,845 (3 years)

  46. NATIONAL SCIENCE FOUNDATION DIVISION OF OCEAN SCIENCES
    Biocomplexity: Collaborative research: Oceanic N2 fixation and global climate
    January 2000, $300,000 (5 years) U.H. portion; total grant $5,000,000
    (A. F. Michaels and D. Capone, USC, lead P.I.s)

  47. NATIONAL SCIENCE FOUNDATION - DIVISION OF OCEAN SCIENCES
    Special Creativity Extension: The Hawaii Ocean Time-series Program JGOFS Component
    August 2001, $1,500,000 (2 years)

  48. NOAA - SEAGRANT
    The Hawaii Offshore Aquaculture Research Project (HOARP) Phase III: Critical Research and Development Issues for Commercialization (P.I.s C. Helsley, A. Ostrowski)
    September 2001, $600,000 (2 years)

  49. NATIONAL OCEAN PARTNERSHIP PROJECT
    PARADIGM: The Partnership for Advancing Interdisciplinary Global Modeling February 2002, $375,000 (5 years) UH portion, total grant $5,000,000
    (lead P.I: Lew Rothstein, URI)

  50. NATIONAL OCEAN PARTNERSHIP PROJECT
    Multi-disciplinary Ocean Sensors for Environmental Analyses and Networks (MOSEAN)
    August 2002, $600,000 (5 years) UH portion; total $3,100,000 (lead P.I: Tommy Dickey, UCSB)

  51. NATIONAL SCIENCE FOUNDATION
    Acquisition of a High-performance Sorting Flow Cytometer for Oceanographic and Marine Ecological Research (lead P.I.: M. Landry)
    September 2002, $509,000 (3 years)

  52. NATIONAL SCIENCE FOUNDATION
    Development of the ANZCAN-ALOHA Ocean Observatory (lead P.I: Fred Duennebier)
    October 2002, $1,999,841 (3 years)

  53. NATIONAL SCIENCE FOUNDATION
    Collaborative Research: Hawaii Ocean Time-series Program: Biogeochemistry and Ecology Component
    August 2003, $5,332,083 (7 years)

  54. GORDON AND BETTY MOORE FOUNDATION
    "Investigator in Marine Science" Career Developement Award
    May 2004, $3,850,000 (5 years)

  55. AGOURON INSTITUTE
    "Contemporary challenges in Microbial Oceanography: A proposal to the Agouron Institute to Establish a new Special-Focus Training Course"
    March 2006, $2,671,279 (5 years)

  56. GORDON AND BETTY MOORE FOUNDATION
    "ALOHA Sea-Gliders"
    May 2006, $450,000 (2 years)

  57. NATIONAL SCIENCE FOUNDATION
    "Center for Microbial Oceanography: Research and Education (C-MORE)"
    August 2006, $18,900,000 (5 years)

  58. GORDON AND BETTY MOORE FOUNDATION
    "Equipment for Ocean Science Facility"
    November 2007, $1,995,400 (3 years)

  59. GORDON AND BETTY MOORE FOUNDATION
    "Moore Foundation Award: 2008-2012"
    May 2008, $3,796,946 (4 years)

  60. NATIONAL SCIENCE FOUNDATION
    "ALOHA cabled observatory: Installation and operation" (lead P.I.: Bruce Howe)
    July 2009, $815,490 (2 years)

  61. NATIONAL SCIENCE FOUNDATION
    "The Hawaii Ocean Time-series (HOT): Sustaining ocean ecosystem and climate observations in the North Pacific Subtropical Gyre" (lead P.I.: Matt Church)
    August 2009, $6,201,878 (4 years)

  62. GORDON AND BETTY MOORE FOUNDATION
    "Training course in microbial oceanography"
    May 2010, $453,578 (3 years)

  63. NATIONAL SCIENCE FOUNDATION
    "Center for Microbial Oceanography: Research and Education (C-MORE)"
    August 2011, $17,975,999 (5 years)

  64. NATIONAL SCIENCE FOUNDATION
    "Hydrogen production and nitrogen fixation in the North Pacific Subtropical Gyre"
    April 2012, $281,421 (3 years)

  65. NATIONAL SCIENCE FOUNDATION
    "The Hawaii Ocean Time-series (HOT): Sustaining ocean ecosystem and climate observations in the North Pacific Subtropical Gyre" (lead P.I.: Matt Church)
    August 2013, $8,148,909 (5 years)

  66. GORDON AND BETTY MOORE FOUNDATION
    "David Karl Investigator Award"
    September 2013, $2,102,000 (5 years)

  67. POHANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    "Global Research Lab"
    December 2013, 250,000,000 Korean won ($243,187 US) (5 years)

  68. VICTOR AND PEGGY BRANDSTROM PAVEL
    "Victor and Peggy Brandstrom Pavel Endowed Chair in Ocean and Earth Science and Technology"
    April 2014, ~$80,000/year (10 years)

  69. SIMONS FOUNDATION
    "Simons Collaboration on Ocean Processes and Ecology (SCOPE)" (co-lead P.I. Edward DeLong)
    July 2014, $80,000,000 (10 years)

  70. INTERNATIONAL BALZAN FOUNDATION
    "Microbial Processes at Ocean Station ALOHA"
    January 2016, 375,000 CHF ($371,000 USA) (3 years)

  71. UNIVERSITY OF WASHINGTON
    "Oceanography at the Gyre's Edge"
    March 2016, $85,001 (1 year)

  72. WOODS HOLE OCEANOGRAPHIC INSTITUTION
    "Methane, ethylene, and dissolved organic phosphorus cycling in the Western North Atlantic Ocean"
    September 2016, $86,225 (3 years)