Chemical and physical data from Niskin bottles from the World Ocean Circulation Experiment and Joint Global Ocean Flux Study Hawaii Ocean Time-series (HOT) database during 1988-1998 in the North Pacific Ocean 100 miles north of Oahu, Hawaii (NCEI Accession 9900208)
The HOT program makes repeated observations of the physics, biology and chemistry at a site approximately 100 km north of Oahu, Hawaii. Two stations are visited about once a month: Kahe Point (Station 1: 21.34N, 158.27W) and Station ALOHA (Station 2: 22.75N, 158W). Various other stations are made intermittently in support of similar research objectives or mooring deployments. Samples of water column chemical analyses were collected mostly in the upper 1000m using Niskin bottles mounted on a rosette. The strategy was to sample at density horizons within the main thermocline at pressure horizons above and below this region (i.e., <150 dbar and >2000 dbar). Care was applied to ensure the highest possible accuracy and precision. Parameters included salinity, oxygen, dissolved inorganic carbon, titration alkalinity, pH, inorganic and organic nutrients, nitrate plus nitrite, dissolved total nitrogen, dissolved phosphate, dissolved silica, dissolved organic carbon, particulate phosphorus, adenosine 5'-triphosphate, pigments, and others.
As part of the HOT program two transect cruises (ALOHA-Climax: AC) have been conducted near the HOT area, from Oahu along the TOPEX line to station Climax (~28N, 155 20'W).
Water samples have been obtained at station HALE-ALOHA during cruises conducted for retrieval and/or re-deployment of the bottom-moored buoy. These casts are used for calibration of the sensors attached to the mooring.
As part of the HOT program two transect cruises (ALOHA-Climax: AC) have been conducted near the HOT area, from Oahu along the TOPEX line to station Climax (~28N, 155 20'W).
Water samples have been obtained at station HALE-ALOHA during cruises conducted for retrieval and/or re-deployment of the bottom-moored buoy. These casts are used for calibration of the sensors attached to the mooring.
Dataset Citation
- Cite as: Lukas, Roger; Karl, David M.; Bidigare, Robert R.; University of Hawaii (2002). Chemical and physical data from Niskin bottles from the World Ocean Circulation Experiment and Joint Global Ocean Flux Study Hawaii Ocean Time-series (HOT) database during 1988-1998 in the North Pacific Ocean 100 miles north of Oahu, Hawaii (NCEI Accession 9900208). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/9900208. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:9900208
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
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Time Period | 1988-10-01 to 1998-12-01 |
Spatial Bounding Box Coordinates |
West: -158.3
East: -155.3
South: 21.3
North: 28
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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 |
Supplemental Information | Note: Metadata for this accession were provided by the U.S. National Oceanographic Data Center (NODC) Hawai'i Regional Science Office. Please review the content of the data/0-data/nodcmeta/hostsbot_pcc.meta file for specific details regarding the data in this collection. |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2023-06-25T11:45:23Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov