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Found 892 datasets matching "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA".

Federal
Cross-track Infrared Sounder (CrIS) Level 2 Earth System Science Profiling Algorithm Ammonia Retrieval Algorithm (ESSPA-NH3) V1 (SNDRSNIL2ESPNH3)
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
The objective of this limited edition data collection is to examine the ammonia products generated by the ESSPA (Earth System Science Profiling Algorithm) algorithm from the Cross-track Infrared...
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Search relevance: 55.91 | Views last month: 2
Federal
Routine hydrography and chemical observations in Lake Nitinat, British Columbia, from 1964 to 1975 (NCEI Accession 7800331)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-12-09T00:00:00.000+00:00
This report contains all of the routine hydrographic and chemical measurements obtained from Lake Nitinat, British Columbia, on cruises from 1964 to 1975. In addition, the results of several...
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Search relevance: 51.42 | Views last month: 0
Federal
Chemical and isotopic tracers and other data from the Arctic Ocean from 1990-01-01 to 1999-12-31 (NCEI Accession 0068667)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-12-03T00:00:00.000+00:00
These data are water column and sediment data largely collected in the Bering and Chukchi Seas, with some coverage for the Beaufort and East Siberian Seas, and with limited coverage for other...
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Search relevance: 51.26 | Views last month: 0
Federal
Phytoplankton, chemical, and other data from bottle and CTD casts in the North Atlantic Ocean from 04 August 1989 to 07 September 1989 (NCEI Accession 0000399)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-16T00:00:00.000+00:00
Phytoplankton, chemical, nutrients, salinity, and other data from August 4, 1989 to September 7, 1989. Data were collected using bottle and CTD casts in the North Atlantic Ocean.
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Search relevance: 51.19 | Views last month: 0
Federal
Physical, nutrients, and other data from CTD, MBT, XBT, and bottle casts from the Indian Ocean from 01 January 1976 to 31 December 1996 (NCEI Accession 0000462)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2001-05-22T00:00:00.000+00:00
Physical, nutrients, and other data were collected from CTD, MBT, XBT, and bottle casts from the Indian Ocean. Data were collected from 01 January 1976 to 31 December 1996. XBT parameters include...
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Search relevance: 50.36 | Views last month: 1
Federal
Winter temperature, salinity, oxygen, nutrients and isotopes data sampled by aircraft, April 2003 (NCEI Accession 0059129)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2009-11-02T00:00:00.000+00:00
Winter sampling was performed in the eastern area of the Shelf-Basin Interactions Project using aircraft. Flights began on 1 April 2003 and finished on 15 April. During this time, we were able...
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Search relevance: 48.98 | Views last month: 0
Federal
Chemical and physical oceanographic data in Irondequoit Bay, Lake Ontario, from 1969-08-01 to 1972-12-01 (NCEI Accession 7400630)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-12-06T00:00:00.000+00:00
This dataset consists of chemical and physical oceanographic data including water temperature, electrical conductivity, light transmission, Secchi depth, dissolved oxygen, sulfate, bromide, and...
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Search relevance: 48.96 | Views last month: 0
Federal
PHYTOPLANKTON - WET WEIGHT and Other Data from KYMA from 1970-09-30 to 1973-06-19 (NCEI Accession 7800791)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-12-07T00:00:00.000+00:00
No description was provided.
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Search relevance: 48.43 | Views last month: 0
Federal
Chemical and physical data from thermistor, fluorometer, and bottle casts in the Patuxent River from 1972-10-15 to 1972-10-19 (NCEI Accession 7601237)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-03-10T00:00:00.000+00:00
The Patuxent River estuary was investigated over a 25-hour tidal cycle from October 17-18, 1972, during the Patuxent River Cooperative Study (conducted by the University of Maryland). These data...
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Search relevance: 48.38 | Views last month: 0
Federal
Nutrients data from bottle from the Louis S. St-Laurent in the Arctic Ocean from 1997 - 1998 as part of the Surface Heat Energy Budget of the Arctic (SHEBA) project (NCEI Accession 0001273)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-12-22T00:00:00.000+00:00
This dataset is the SHEBA Nutrient Database, version 1.0, 17 May 2001. This database consists of two linked tables: station (station information), and profile (profile sample data). The station...
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Search relevance: 48.32 | Views last month: 0
Federal
Nutrient and water chemistry data of Nu’uuli Pala Lagoon and Backreef in American Samoa from samples collected along a water quality gradient between 2024-11-08 to 2024-11-20 (NCEI Accession 0307818)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-09-30T00:00:00.000+00:00
The data described here are from water samples collected during NOAA Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD) led fly-in Mission to Nu'uuli, American...
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Search relevance: 48.24 | Views last month: 0
Federal
Examination of macroalgal bioindicators and coastal water quality during July 2001 - July 2002, in Hawaii, in support of the Kaneohe Bay Nutrient Enrichment Study (NCEI Accession 0000428)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-07-08T00:00:00.000+00:00
This project assesses the physiological status of selected macroalgae in Hawaii under various nutrient regimes, with the purpose of determining a suitable physiological test that can, with...
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Search relevance: 48.20 | Views last month: 0
Federal
Oceanographic profile bottle and CTD data, collected aboard R/V Investigator, CSIRO, Australia, in the Indian Ocean, South Pacific Ocean, and environs, from 2014-11 to 2017-11 (NCEI Accession 0169194)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-12-14T00:00:00.000+00:00
Bottle and CTD data collected in the Indian Ocean and South Pacific Ocean during fifteen cruises of R/V Investigator, from 2014-11 to 2017-11. Measured variables include pressure, temperature,...
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Search relevance: 48.16 | Views last month: 0
Federal
Mid-Atlantic Coastal Wetlands Assessment data from Tinicum Marsh from 2015-10-01 to 2018-03-31 (NCEI Accession 0173477)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-07-30T00:00:00.000+00:00
This dataset contains comprehensive data from the Mid-Atlantic Coastal Wetlands Assessment are provided for continued monitoring of the largest freshwater tidal wetland in Pennsylvania with...
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Search relevance: 48.06 | Views last month: 0
Federal
Water quality data collected from Maui, Lanai, and Hawaii, 1989-2005 (NCEI Accession 0031350)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2007-08-08T00:00:00.000+00:00
Transects were made on three Hawaiian islands (Maui, Lanai, and Hawaii) in nine areas to collect in situ water quality measurements. Each area has several survey transects from the shallows...
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Search relevance: 48.06 | Views last month: 1
Federal
Temperature, salinity and nutrients profiles from GAVESHANI in the Indian Ocean from 1976-08-27 to 1988-12-06 (NCEI Accession 9700137)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-19T00:00:00.000+00:00
Temperature, salinity, and nutrients data were collected from bottle casts in the Arabian Sea from the R/V Gaveshani from 27 August 1976 to 06 December 1988. Data include pH, temperature, and...
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Search relevance: 48.01 | Views last month: 0
Federal
Physical and water quality data collected near Honolulu, Hawaii, waste water treatment plants to assess the amount of pollutants in the adjacent waters, 1986 - 1995 (NCEI Accession 0000795)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-03T00:00:00.000+00:00
No description was provided.
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Search relevance: 47.99 | Views last month: 0
Federal
Physical and nutrients profile data from R/V ALPHA HELIX using bottle casts in the Gulf of Alaska from 1989-04-06 to 1989-04-11 (NCEI Accession 0000223)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Physical and nutrient profile data were collected using bottle casts from R/V ALPHA HELIX in the Gulf of Alaska from April 6, 1989, to April 11, 1989. Data were submitted by Dr. Thomas C. Royer of...
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Search relevance: 47.93 | Views last month: 0
Federal
Nutrients and other data from bottle casts in the Prince William Sound (Gulf of Alaska) from the ACONA in support of the Exxon Valdez Restoration Study (EVOS) from 1979-07-13 to 1979-12-12 (NCEI Accession 0000531)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-02T00:00:00.000+00:00
Nutrients and other data were collected from bottle casts from the ACONA in the Prince William Sound (Gulf of Alaska) from 13 July 1979 to 12 December 1979. Data were collected by the University...
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Search relevance: 47.86 | Views last month: 1
Federal
Temperature, salinity, nutrients, and meteorological data collected aboard multiple platforms in Caspian Sea from 1926 to 1991 (NCEI Accession 0072200)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-04-18T00:00:00.000+00:00
This dataset contains temperature, salinity, nutrients, and meteorological data collected from 1926 to 1991 aboard multiple platforms in Caspian Sea.
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Search relevance: 47.79 | Views last month: 0

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