Dataset Overview | National Centers for Environmental Information (NCEI)

Temperature, salinity, and water chemistry data from quarterly bottom transects of the Comprehensive Environmental Monitoring Program at the Ocean Thermal Energy Conversion plant in Keahole, Island of Hawaii 1993-2007 (NCEI Accession 0156980)

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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. Five stations along six transects have been established where quasi-quarterly bottom water measurements are acquired for temperature, salinity, bacteria, and 12 water chemistry parameters within 1993 to 2007. Data are collected from small boats. The original data were provided as Microsoft Excel spreadsheets.

Surface samples from these same transects are available in NCEI Accession 0156452. Ocean bottom sampling was included due to concerns related to dense cold seawater sinking to lower depths when returning to the environment. Surface water samples monitored the brackish, less dense groundwater intrusion into the marine water, which tends to float when ocean mixing energy is low. Due to new protocols in 2004 which did not require bottom samples, and because data indicated little or no difference from the surface waters, the bottom samples were discontinued in 2007.

Dataset Citation

Cite as: Olson, Keith (2016). Temperature, salinity, and water chemistry data from quarterly bottom transects of the Comprehensive Environmental Monitoring Program at the Ocean Thermal Energy Conversion plant in Keahole, Island of Hawaii 1993-2007 (NCEI Accession 0156980). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0156980. Accessed [date].

Dataset Identifiers

ISO 19115-2 Metadata

gov.noaa.nodc:0156980

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Download Data	HTTPS (download) Navigate directly to the URL for data access and direct download. FTP (download) These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).
Distribution Formats	Originator data format
Ordering Instructions	Contact NCEI for other distribution options and instructions.
Distributor	NOAA National Centers for Environmental Information +1-301-713-3277 ncei.info@noaa.gov
Dataset Point of Contact	NOAA National Centers for Environmental Information ncei.info@noaa.gov

Time Period	1993-07-26 to 2007-04-16
Spatial Bounding Box Coordinates	West: -156.067 East: -156.058 South: 19.72 North: 19.735
Spatial Coverage Map

General Documentation

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Descriptive Information
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Associated Resources

Vega, Luis; Pacific International Center for High Technology Research (2002). PRESSURE - WATER and Other Data from FIXED PLATFORM from 1993-06-18 to 1995-08-17 (NCEI Accession 9800047). NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/9800047.
- https://www.ncei.noaa.gov/archive/accession/9800047
  Data files and documentation
Olson, Keith; Natural Energy Laboratory of Hawaii Authority (2004). 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). NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0001623.
- https://www.ncei.noaa.gov/archive/accession/0001623
  Data files and documentation
Olson, Keith (2016). Temperature, salinity, and water chemistry data from quarterly surface transects of the Comprehensive Environmental Monitoring Program at the Ocean Thermal Energy Conversion plant in Keahole, Island of Hawaii 1993-2017 (NCEI Accession 0156452). NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0156452.
- https://www.ncei.noaa.gov/archive/accession/0156452
  Data files and documentation

Publication Dates	publication: 2016-11-29
Data Presentation Form	Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status	Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility
Data Update Frequency	As needed
Purpose	The purpose of the Comprehensive Environmental Monitoring Program is to fulfill NELHA's regulatory requirements and to protect the unique environmental resources of the Keahole Point area.
Use Limitations	accessLevel: Public Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.

Dataset Citation	Cite as: Olson, Keith (2016). Temperature, salinity, and water chemistry data from quarterly bottom transects of the Comprehensive Environmental Monitoring Program at the Ocean Thermal Energy Conversion plant in Keahole, Island of Hawaii 1993-2007 (NCEI Accession 0156980). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0156980. Accessed [date].
Cited Authors	Olson, Keith Natural Energy Laboratory of Hawaii Authority (NELHA)
Collaborators	Patrick Caldwell US DOC; NOAA; NESDIS; National Centers for Environmental Information (NCEI)
Contributors	Natural Energy Laboratory of Hawaii Authority (NELHA)
Resource Providers	Keith Olson Natural Energy Laboratory of Hawaii Authority (NELHA) Natural Energy Laboratory of Hawaii Authority (NELHA)
Points of Contact	Keith Olson Natural Energy Laboratory of Hawaii Authority (NELHA)
Publishers	NOAA National Centers for Environmental Information
Acknowledgments	Funding Agency: Natural Energy Laboratory Hawaii Authority Funding Agency: State of Hawaii

Theme keywords	NODC DATA TYPES THESAURUS AMMONIA (NH3) bacteria CARBON - TOTAL ORGANIC CHLOROPHYLL A NITRATE pH phosphate SALINITY Silicon thymidine turbidity WATER TEMPERATURE NODC OBSERVATION TYPES THESAURUS chemical in situ physical survey time series water chemistry WMO_CategoryCode oceanography Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN OPTICS > TURBIDITY EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Provider Keywords Enterococci (Bacteria/100 ml) Fecal Coliform (Bacteria/100 ml) Trimethyl dihydronapthalene, TDN (uM and ug N/L)
Data Center keywords	NODC COLLECTING INSTITUTION NAMES THESAURUS Natural Energy Laboratory of Hawaii Authority NODC SUBMITTING INSTITUTION NAMES THESAURUS Natural Energy Laboratory of Hawaii Authority
Instrument keywords	NODC INSTRUMENT TYPES THESAURUS multi-parameter water quality sensor peristaltic pump pump sampler thermometer Global Change Master Directory (GCMD) Instrument Keywords THERMOMETERS > THERMOMETERS Provider Instruments A.G.E Model 2100 precision salinometer YSI 556 multiprobe
Place keywords	NODC SEA AREA NAMES THESAURUS Coastal Waters of Hawaii North Pacific Ocean Global Change Master Directory (GCMD) Location Keywords OCEAN > PACIFIC OCEAN > CENTRAL PACIFIC OCEAN > HAWAIIAN ISLANDS OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN Provider Place Names Island of Hawaii Kailua-Kona Keahole Point
Project keywords	NODC PROJECT NAMES THESAURUS OCEAN THERMAL ENERGY CONVERSION (OTEC) Global Change Master Directory (GCMD) Project Keywords OTEC > Ocean Thermal Energy Conversion Provider Project Names Comprehensive Environmental Monitoring Program (CEMP)
Keywords	NCEI ACCESSION NUMBER 0156980
Keywords	Send2NCEI Submission Package ID DL1CX2

Use Constraints	Cite as: Olson, Keith (2016). Temperature, salinity, and water chemistry data from quarterly bottom transects of the Comprehensive Environmental Monitoring Program at the Ocean Thermal Energy Conversion plant in Keahole, Island of Hawaii 1993-2007 (NCEI Accession 0156980). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0156980. Accessed [date].
Access Constraints	Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
Fees	In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.

Lineage information for: dataset
Processing Steps	2016-11-29T19:37:10Z - NCEI Accession 0156980 v1.1 was published.
Output Datasets	NCEI Accession 0156980 v1.1 NCEI Accession 0156980 v1.1 (download) published 2016-11-29T19:37:10Z

Lineage information for: dataset
Processing Steps	Data Type: PHOSPHATE - TOTAL (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: Marine water quality monitoring from 1993 to 2007 followed the 1989 GK & Associates HOST and NELH Coorerative Environmental Monitoring Program report and incorporated the recommendations from the 1992 West Hawaii Coastal Monitoring Program Guidelines. The frequency of sampling is quarterly. The marine transects utilized a small boat.; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Nitrate NO3 (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: Marine water quality monitoring from 1993 to 2007 followed the 1989 GK & Associateds HOST and NELH Coorerative Environmental Monitoring Program report and incorporated the recommendations from the 1992 West Hawaii Coastal Monitoring Program Guidelines. The frequency of sampling is quarterly. The marine transects utilized a small boat.; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Ammonia NH3 (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Silicon, Si (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Thymidine diphosphate, TDP (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Trispyrazolylborate TP (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Trimethyl dihydronapthalene, TDN (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Total organic carbon, TOC (measured); Units: mgC/L; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: turbidity (measured); Units: NTU; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Salinity (measured); Units: psu; Observation Type: in situ; Sampling Instrument: A.G.E Model 2100 precision salinometer; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: TEMPERATURE - BOTTOM WATER [WATER TEMPERATURE] (measured); Units: degrees Celsius; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: pH (measured); Units: unit; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: DISSOLVED OXYGEN (measured); Units: ppm; Observation Type: in situ; Sampling Instrument: Winkler Titration; Sampling and Analyzing Method: Dissolved oxygen is measured using the Winkler Titration method, so the samples are preserved with a two chemical process immediately after the sample is taken.; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Chlorophyll-A (measured); Units: ug/L; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Fecal Coliform (measured); Units: Bacteria/100 ml; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured Data Type: Enterococci (measured); Units: Bacteria/100 ml; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured

Lineage information for: dataset

Processing Steps

Data Type: PHOSPHATE - TOTAL (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: Marine water quality monitoring from 1993 to 2007 followed the 1989 GK & Associates HOST and NELH Coorerative Environmental Monitoring Program report and incorporated the recommendations from the 1992 West Hawaii Coastal Monitoring Program Guidelines. The frequency of sampling is quarterly. The marine transects utilized a small boat.; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Nitrate NO3 (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: Marine water quality monitoring from 1993 to 2007 followed the 1989 GK & Associateds HOST and NELH Coorerative Environmental Monitoring Program report and incorporated the recommendations from the 1992 West Hawaii Coastal Monitoring Program Guidelines. The frequency of sampling is quarterly. The marine transects utilized a small boat.; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Ammonia NH3 (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Silicon, Si (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Thymidine diphosphate, TDP (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Trispyrazolylborate TP (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Trimethyl dihydronapthalene, TDN (measured); Units: micromole; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Total organic carbon, TOC (measured); Units: mgC/L; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: turbidity (measured); Units: NTU; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Salinity (measured); Units: psu; Observation Type: in situ; Sampling Instrument: A.G.E Model 2100 precision salinometer; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: TEMPERATURE - BOTTOM WATER [WATER TEMPERATURE] (measured); Units: degrees Celsius; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: pH (measured); Units: unit; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: DISSOLVED OXYGEN (measured); Units: ppm; Observation Type: in situ; Sampling Instrument: Winkler Titration; Sampling and Analyzing Method: Dissolved oxygen is measured using the Winkler Titration method, so the samples are preserved with a two chemical process immediately after the sample is taken.; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Chlorophyll-A (measured); Units: ug/L; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Fecal Coliform (measured); Units: Bacteria/100 ml; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured
Data Type: Enterococci (measured); Units: Bacteria/100 ml; Observation Type: in situ; Sampling Instrument: YSI 556 multiprobe; Sampling and Analyzing Method: standard methods; Data Quality Information: Each data value is a separate sample that is corrected against the calibration of the machine it is run on. The instrumentation is calibrated against a set of standards that are either solutions formulated by our chemists or against a standard that comes in a sealed glass ampoule from a certified lab on the mainland or Europe. A set of samples (15-50) are run on the calibrated instrumentation (machines) over a period of about 2-8 hours depending on the parameter measured

Acquisition Information (collection)
Instrument	multi-parameter water quality sensor peristaltic pump pump sampler thermometer

Last Modified: 2025-04-16T13:13:17Z
For questions about the information on this page, please email: ncei.info@noaa.gov

Temperature, salinity, and water chemistry data from quarterly bottom transects of the Comprehensive Environmental Monitoring Program at the Ocean Thermal Energy Conversion plant in Keahole, Island of Hawaii 1993-2007 (NCEI Accession 0156980)

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