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Temperature, salinity, and water chemistry data from the Comprehensive Environmental Monitoring Program of the Ocean Thermal Energy Conversion plant at Keahole, Island of Hawaii, from shallow and deep intake pipes during 1982-2017 (NCEI Accession 0001623)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 03, 2025 | Last Modified: 2018-04-24T00:00:00.000+00:00
The Natural Energy Laboratory of Hawaii Authority (NELHA) is a state agency that operates a unique and innovative ocean science and technology park in Kailua-Kona on the island of Hawaii. It supports an Ocean Thermal Energy Conversion (OTEC) facility at Keahole Point on the west coast of the Island of Hawaii. Intake pipes at shallow (21 m) and deep (674 m) are utilized to record water characteristics. This data set includes roughly bi-weekly or monthly samples of temperature, salinity, and water chemistry, a total 16 parameters. The shallow series began in in July 1982 and the deep series in August 1988. The update to the NCEI archive in 2018 brings both series to November 2017.

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0001623 AMMONIA (NH3) AMMONIUM (NH4) bacteria CARBON - TOTAL ORGANIC DISSOLVED OXYGEN NITRATE nitrate + nitrite content (concentration) NITRATE/NITRITE RATIO NITRITE NITROGEN pH phosphate PHOSPHATE - TOTAL SALINITY Silicon suspended solids thymidine total alkalinity WATER TEMPERATURE multi-parameter water quality sensor pump sampler salinometer chemical physical time series water chemistry FIXED PLATFORM OF UNITED STATES Natural Energy Laboratory of Hawaii Authority Natural Energy Laboratory of Hawaii Authority OCEAN THERMAL ENERGY CONVERSION (OTEC) Coastal Waters of Hawaii Northeast Pacific Ocean (limit-180) oceanography DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce OTEC > Ocean Thermal Energy Conversion Comprehensive Environmental Monitoring Program (CEMP) EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITROGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SUSPENDED SOLIDS EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Alkalinity, ALK (mEq/L) Total Count Marine Agar (CFU/100 mL) Total suspended solids, TSS (mg/L) Trimethyl dihydronapthalene, TDN (uM and ug N/L) Vibrio (CFU/100mL) SALINOMETERS A.G.E Model 2100 precision salinometer YSI 556 multiprobe FIXED OBSERVATION STATIONS > FIXED OBSERVATION STATIONS OCEAN > PACIFIC OCEAN > CENTRAL PACIFIC OCEAN > HAWAIIAN ISLANDS OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN Island of Hawaii Kailua-Kona Keahole Point

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