Hawaii Ocean Time-series (HOT)
in the School of Ocean and Earth Science and Technology at the University of Hawai'i at Manoa
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Spec. Topics
DSR II: v43, 2-3, 1996
HOT-75 Commemorative
Science Symposium
DSR II: v48, 8-9, 2001
Related Proj.
WHOTS
ACO
SCOPE-ALOHA
SeaGliders
ALOHA Wirewalkers
HOT LAVA
HALE-ALOHA
ALOHA-CLIMAX
Analytical Methods & Results
⚫
Hydrography
(CTD Profiling and Data Acquisition and Processing)
Sensor Correction & Calibration
CTD Temperature, Salinity, Oxygen & Potential Density
Chloropigment by Flash Fluorescence
CTD Nitrate (ISUS)
⚫
Biogeochemistry
(Discrete Water Column Measurements)
Salinity
Dissolved Oxygen
Dissolved Inorganic Carbon and Total Alkalinity
pH
Inorganic nutrients
Standard Method
High Precision, High Sensitivity Method
Dissolved Organic Matter
Particulate Bioelements
Carbon and Nitrogen
Phosphorus
Biogenic Silica
Pigments
Standard Fluorometric Method
High Performance Liquid Chromatography
Phycoerythrin
Adenosine 5'-triphosphate
⚫
Biogeochemical Rate Measurements
Primary Production
Particle Flux
⚫
Optical Measurements
Solar Irradiance by LI-COR LI-1500
Upwelling Radiance & Downwelling Irradiance by PRR-600
Upwelling Radiance & Downwelling Irradiance by HyperPro
Upwelling Radiance & Downwelling Irradiance by TSRB
Inherent Optical Properties (IOPs): Absorption and Beam Attenuation
Fast Repetition Rate Fluorometry
Laser In-Situ Scattering and Transmissometry
⚫
Microbial Community Structure
Flow Cytometry
Epi-Fluorescence Microscopy
⚫
Zooplankton Community Structure
⚫
Bottom-Moored Sediment Traps
⚫
Towed Instumentation
⚫
Thermosalinograph
⚫
Meteorology
⚫
ADCP Measurements
⚫
Inverted Echo Sounder
(IES)
⚫
Expendable Bathythermograph
(XBT)
⚫
Ancillary Experiments
Nitrous Oxide (N
2
O)
Methane (CH
4
)
Chlorophyll a, b & c
Guanosine 5'-Triphosphate
Hydrogen Peroxide
Low-level Silica
Spectrophotometric Silicate (SiO
4
)
Net community production & metabolic balance
Chlorofluorocarbon (CFC) and Sulfur Hexafluoride
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Funding provided by the
National Science Foundation
(NSF)