Dale Van Why Hebel

Research Scientist and Co-Principal Investigator
HOT Core Program

Personal

Address:        Department of Oceanography
                School of Ocean and Earth Science Technology (SOEST)
                University of Hawaii
                1000 Pope Road, MSB 630
                Honolulu, HI 96822

Telephone:      (808) 956-3312

Email:          dhebel@hawaii.edu

Education

University of California Irvine
B.S. degree, 1971
Major:  Biology

San Francisco State University
Moss Landing Marine Laboratory
M.A. degree, 1983
Major:  Biology (Marine)
Undeclared Minor:  Chemistry

Thesis

1983  Hebel, D.  Concentration and Flux of Trace Metals,
Carbon-Nitrogen, and Particulate Matter in Marine Snow.  Masters
Thesis, San Francisco State University

Positions Held

Assistant Research Specialist
Joint Global Ocean Flux Study
SOEST               
University of Hawaii 
(8/89-present)

Research Associate V
Global Ocean Flux Study
University of Hawaii 
(8/88-8/89)

Director, Environmental Services
Chemax Laboratories, Inc
(10/87-8/88)

Laboratory Manager
Great Basin Environmental Laboratories., Inc
(8/84-10/87)

Instructor
Truckee meadows Community College 
(8/84-12/84)
            
Instructor
Sierra Nevada College (8/83-1/84)

Deputy Harbormaster
Santa Cruz Port District 
(4/81-11/82)    

Graduate Research Assistant
Moss Landing Marine Lab.
(12/79-6/81)    

Physical Oceanographic Technician
Naval Postgraduate School (11/80-3/81)  

Biological Technician                   
W. F. Sigler & Assoiciates, Inc. (7/77-1/78)

Oceanographic Research Experience

1980-1982   Research Diver Moss Landing Marine Laboratories
1980        Participant/photographer VERTEX I cruise
1980        Participant and co-investigator COBALT I cruise         
1988-1990   Participated in 12 Hawaii Ocean Time-Series cruises
1989        Participant RACER II Antarctic cruise
1990-1995   Research Diver Univ. of Hawaii at Manoa
1990-1993   Participated in 29 Hawaii Ocean Time-Series cruises (5
                as chief scientist)
1992        Participant PIECES IV submersible dive Lohii, Hawaii
1993-1994   Participated in 8 Hawaii Ocean Time-Series cruises (2
                as chief scientist)
1994        Participant Santa Claus I Antarctic cruise
1994-1996   Participated in 17 Hawaii Ocean Time-Series cruises (7
                as chief scientist)
1996        Chief scientist AC-1 transect cruise
1996        Participant PD96-01 LTER Antarctic cruise
1997        Participated in 13 Hawaii Ocean Time-Series cruises (4
                as chief scientist)
1998        Participated in 13 Hawaii Ocean Time-Series cruises (4
                as chief scientist)
1999        Participated in 8 (as of 12/3/99) Hawaii Ocean
                Time-Series cruises (2 as chief scientist)
1999        Participant LTER Winter Antarctic cruise (June/July 1999)

Membership in Professional Societies

American Geophysical Union
The Oceanography Society
AAUS

Published Presentations and Abstracts

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.

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.

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.

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.

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.

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.

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.

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.  

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.

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.

1996 KARL D. M., D. V. HEBEL, 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.

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.

Scientific Publications (Non-Refereed Reports and Articles)

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.

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.

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

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

Invited Book Chapters and Refereed Scientific Publications

1982  Knauer, G., D. Hebel and F. Cipriano.  Marine Snow:  Major Site of Primary 
Production in Coastal Waters.  Nature, 300: 630-631.

1986  Hebel D, G. Knauer and J.H. Martin.  Trace Metals in Marine Agglomerates:  
Marine Snow.  Journal of Plankton Research, vol 8 no. 4 pp.819-824.

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.

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.

1993  WINN, C. D., R. LUKAS, D. HEBEL, C. CARRILLO, R. LETELIER and D.
M. KARL.  The Hawaii Ocean Time-series program: Resolving variability
in the North Pacific.  In N.  Saxena (ed.), Recent advances in marine
science and technology, 92, Proceedings of the Pacific Ocean Congress
(PACON), pp. 139-150.

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.

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 Nio.  Nature 373:
230-234.

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.

1995  WINN, C. D., L. CAMPBELL, J. R. CHRISTIAN, R. M. LETELIER, D. V.
HEBEL, J.  E. DORE, L. FUJIEKI and D. M. KARL.  Seasonal variability in
the phytoplankton community of the North Pacific Subtropical Gyre.
Global Biogeochemical Cycles 9: 605-620.

1996  KARL, D. M., J. R. CHRISTIAN, J. E. DORE, D. V. HEBEL, R. M.
LETELIER, L. M.  TUPAS and C. D. WINN.  Seasonal and interannual
variability in primary production and particle flux at Station ALOHA.
Deep-Sea Research (part II) 43: 539-568.

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

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


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.

1999 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 special volume (in
prep.).

Other Publications

1986 Blue Water Diving Guidelines.  Contributor and Participant; 
John Heine editor, California Sea Grant College Program.

Technical Reports

1990 KARL, D.M., C.D. WINN, D.V. HEBEL and R. LETELIER.  Hawaii Ocean 
Time-series Program: Field and Laboratory Protocols. University of Hawaii

1993 TUPAS, L.M., F. SANTIAGO-MANDUJANO, D. HEBEL, R. LUKAS, 
D. KARL and E.FIRING.  Hawaii Ocean Time-series Program: Data Report 4: 1992.
University of Hawaii, School of Ocean and Earth Science and Technology
Technical Report 93-14. 248 pages.

1994 TUPAS, L.M., F. SANTIAGO-MANDUJANO, D. HEBEL, E. FIRING,
 F. BINGHAM, R. LUKAS and D. KARL.  Hawaii Ocean Time-series Program: Data
Report 5: 1993.  University of Hawaii, School of Ocean and Earth
Science and Technology Technical Report 94-5. 156 pages.

1995 TUPAS, L.M., F. SANTIAGO-MANDUJANO, D. HEBEL, E. FIRING, 
R. LUKAS and D. KARL.  Hawaii Ocean Time-series Program: Data Report 6: 1994.
University of Hawaii, School of Ocean and Earth Science and Technology
Technical Report 95-6. 199 pages.

1996 KARL, D., TUPAS, L.M., F. SANTIAGO-MANDUJANO, C. NOSSE, D. HEBEL, 
E. FIRING and R. LUKAS.  Hawaii Ocean Time-series Program: Data Report 7: 1995.
University of Hawaii, School of Ocean and Earth Science and Technology
Technical Report 96-09. 228 pages.

1997 TUPAS, L.M., F. SANTIAGO-MANDUJANO, D. HEBEL, C. NOSSE, L. FUJIEKI.
E. FIRING, R. LUKAS and D. KARL.  Hawaii Ocean Time-series Program: Data Report 8: 
1996. University of Hawaii, School of Ocean and Earth Science and Technology
Technical Report 97-03. 296 pages.

1998 TUPAS, L.M., F. SANTIAGO-MANDUJANO, D. HEBEL, C. NOSSE, L. FUJIEKI,
R. LUKAS and D. KARL.  Hawaii Ocean Time-series Program: Data Report 9: 
1997. University of Hawaii, School of Ocean and Earth Science and Technology
Technical Report 98-09. 159 pages.

1999 F. SANTIAGO-MANDUJANO, L.M. TUPAS, C. NOSSE, D. HEBEL, , L. FUJIEKI,
R. LUKAS and D. KARL.  Hawaii Ocean Time-series Program: Data Report 10: 
1998. University of Hawaii, School of Ocean and Earth Science and Technology
Technical Report 99-05. 246 pages.

Research Grants and Contracts

NSF - 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)

NSF - CHEMICAL/BIOLOGICAL OCEANOGRAPHY 
"The Hawaii Ocean Time-series program: JGOFS component"(D.
Karl, P.I.; D. Hebel, L. Tupas, B. Bidigare, M. Landry, co-P.I.s) 
August 1998, $2,100,000 (3 years)