Catalog - Data.gov

#1 Federal

Physical and biochemical oceanographic data from the Hawaii Ocean Time-series (HOT) program collected by University of Hawaii at Station ALOHA in the Pacific Ocean 100 miles north of Oahu, Hawaii, since 1988

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: March 25, 2026 at 12:00 AM

This dataset includes physical and biochemical oceanographic observational data from the Hawaii Ocean Time-series (HOT) Program, including thermosalinograph, CTD, bottle and biochemical data. The...

Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: August 03, 2026 at 08:18 AM

#2 Federal

2012-2020 Greenhouse Gas National- and State-Level Emission Totals by Industry

Organization: U.S. Environmental Protection Agency
Dataset Last Updated: December 11, 2023

These data represent annual greenhouse gas (GHG) emission totals by industry sectors and households for the total U.S. and by state, for years 2012 to 2020. Industry sectors are defined by North...

Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: August 03, 2026 at 12:49 AM

#3 Federal

Surface water and shallow groundwater geochemistry and radium isotopes measured from land-based sampling in coastal Georgia, USA from 2001-07-26 to 2010-09-28 (NCEI Accession 0208686)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: July 21, 2020 at 12:00 AM

Surface water and groundwater radium activities, concentrations of various dissolved materials, and environmental parameters (water temperature, salinity, and pH). Activities of 228Ra, 226Ra,...

Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 03:32 AM

#4 Federal

Dissolved inorganic carbon (DIC), total alkalinity (TA), pH on total scale, dissolved organic carbon (DOC), chlorofluorocarbons (CFC11, CFC12, CFC113), water temperature, salinity, dissolved oxygen, nutrients and other hydrographic and chemical variables collected from discrete samples and profile observations during the R/V Thomas G. Thompson cruise on GO-SHIP repeat section I08S (EXPOCODE 325020240221) in the Indian Ocean, Southern Ocean from 2024-02-21 to 2024-04-01 (NCEI Accession 0308102)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: September 19, 2025 at 12:00 AM

This dataset includes discrete profile measurements of Dissolved inorganic carbon (DIC), total alkalinity (TA), pH on total scale, dissolved organic carbon (DOC), chlorofluorocarbons (CFC11,...

Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 05:11 AM

#5 Federal

High-resolution ocean and atmosphere pCO2 time-series measurements from mooring CB-06_125W_43N in the North Pacific Ocean (NCEI Accession 0190840)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: May 06, 2026 at 12:00 AM

This dataset includes surface chemical, meteorological, physical time series data collected from mooring CB-06_125W_43N in the North Pacific Ocean from 2017-06-10 to 2025-05-09. These data include...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 03:23 AM

#6 Federal

Phytoplankton, chemical, physical, and other data were collected using bottle, CTD casts, and other instruments in the North Sea as part of the North Sea Project, 15 April 1988 - 30 July 1991 (NCEI Accession 9300008)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: March 26, 2026 at 12:00 AM

Phytoplankton, chemical, physical, and other data were collected using bottle, current meter, net, pump, and CTD casts in the North Sea from April 15, 1988 to July 30, 1991. Data were submitted by...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 07:52 AM

#7 Federal

Water temperature, salinity, oxygen, silicate, nitrate, and other physical and hydrochemical parameters taken by CTD and Niskin bottle samples from research vessels L'Atalante, Meteor, Maria S. Merian, and Islandia in the Atlantic and Pacific Oceans from 2007-01-20 to 2017-05-06 (NCEI Accession 0206154)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: November 04, 2019 at 12:00 AM

This dataset contains hydrochemistry (nutrient concentrations (silicate, nitrate, nitrite, ammonium, phosphate), dissolved and particulate organic nutrients, stable isotope tracers, N2=...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 03:28 AM

#8 Federal

Fugacity of carbon dioxide and other variables collected from Surface underway observations using carbon dioxide (CO2) gas analyzer, showerhead equilibrator and other instruments from HUDSON, KNORR and others in the Alboran Sea, Arabian Sea and others from 1977-11-07 to 1990-04-16 (NCEI Accession 9400165)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 05, 2017 at 12:00 AM

This dataset includes surface underway, chemical, meteorological and physical data collected from HUDSON, KNORR, NOAA Ship MALCOLM BALDRIGE, MELVILLE, POLARSTERN, THOMAS G. THOMPSON and WECOMA in...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 07:55 AM

#9 Federal

Chemical Stockpile Emergency Preparedness Program (CSEPP) Meteorological Data

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: February 06, 2026 at 12:00 AM

This collection contains meteorological data collected from the US Army CSEPP program. Data were collected on 10m to 60m towers and includes wind speed, wind direction, highly accurate...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 08:18 AM

#10 Federal

Dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, dissolved organic carbon (DOC), chlorofluorocarbons (CFC-11, CFC-12), temperature, salinity and other hydrographic and chemical variables collected from discrete samples and profile observations during NOAA Ship Ronald H. Brown cruise along the GO-SHIP Section P16N_2015, Legs 1 and 2 (EXPOCODEs 33RO20150410 and 33RO20150525) in the Pacific Ocean, from 2015-04-10 to 2015-06-27 (NCEI Accession 0163182)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: May 20, 2020 at 12:00 AM

This dataset includes discrete and profile observation data collected from NOAA Ship Ronald H. Brown in the Pacific Ocean from 2015-04-10 to 2015-06-27. These data include water temperature,...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 02:59 AM

#11 Federal

Dissolved inorganic carbon (DIC), total alkalinity, pH on seawater scale, partial pressure of carbon dioxide (pCO2), dissolved organic carbon (DOC), chlorofluorocarbons (CFC-11, CFC-12), temperature, salinity and other hydrographic and chemical variables collected from discrete samples and profile observations during NOAA Ship Ronald H. Brown cruise CLIVAR_A16N_2013 (EXPOCODE 33RO20130803) in the Atlantic Ocean from 2013-08-03 to 2013-10-01 (NCEI Accession 0157363)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: December 20, 2018 at 12:00 AM

This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, pH on seawater scale, partial pressure of carbon dioxide (pCO2), dissolved organic carbon...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 02:50 AM

#12 Federal

Discrete measurement of Carbon Dioxide, Hydrographic, and Chemical Data and surface underway measurements of partial pressure of CO2 during the R/V Meteor cruise 68/3 in the tropical Atlantic Ocean from 2006-07-12 to 2006-08-06 (NCEI Accession 0109917)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: June 06, 2017 at 12:00 AM

This dataset includes chemical, discrete sample, physical and profile data collected from METEOR in the North Atlantic Ocean from 2006-07-12 to 2006-08-06 and retrieved during cruise MT68_3_2006....

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 02:17 AM

#13 Federal

Physical, chemical, and biological CTD and bottle data from NATHANIEL B. PALMER in eastern tropical South Pacific Ocean near Peru/Chile from 2013-06-24 to 2013-07-22 (NCEI Accession 0128141)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: August 14, 2017 at 12:00 AM

This report contains data from R/V Nathaniel B. Palmer cruise NBP 1305 to the eastern tropical south pacific oxygen deficient zone. The objective of the cruise was to study denitrification and...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 02:35 AM

#14 Federal

Impacts assessment of nitrification inhibitors on U.S. agricultural emissions of reactive nitrogen gases

Organization: U.S. Environmental Protection Agency
Dataset Last Updated: August 17, 2023

Impacts assessment of nitrification inhibitors on U.S. agricultural emissions of reactive nitrogen gases. This dataset is not publicly accessible because: Publicly available data, included in the...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 12:50 AM

#15 Federal

Physical and chemical ocean data taken by CTD, Niskin bottles, and other instrumentation from the research vessel Sonne, cruise SO298, along cross Equatorial Pacific Ocean transect from 2023-04-14 to 2023-05-28 (NCEI Accession 0281823)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: July 15, 2025 at 12:00 AM

This dataset contains data and final cruise reports describing physical and chemical ocean data taken by CTD, Niskin bottles, and other instrumentation from the research vessel Sonne, cruise...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:28 AM

#16 Federal

Dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, dissolved organic carbon (DOC), chlorofluorocarbons, temperature, salinity and other hydrographic and chemical variables collected from discrete samples and profile observations during the R/V Nathaniel B. Palmer cruise GO-SHIP_P16S_2014 (EXPOCODE 320620140320) in the South Pacific Ocean from 2014-03-20 to 2014-05-05 (NCEI Accession 0157621)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: December 20, 2016 at 12:00 AM

This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, dissolved organic carbon (DOC), temperature, salinity, oxygen,...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 02:54 AM

#17 Federal

Chlorofluorocarbons, nutrients, dissolved oxygen, temperature, salinity and other measurements collected from discrete samples and profile observations during the R/V Meteor MT80/2 cruise (EXPOCODE 06MT20091126) in the Tropical Atlantic Ocean from 2009-11-26 to 2009-12-22 (NCEI Accession 0186104)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: March 08, 2019 at 12:00 AM

This dataset includes discrete sample and profile data collected during the R/V Meteor MT80/2 cruise (EXPOCODE 06MT20091126) in the Tropical Atlantic Ocean from 2009-11-26 to 2009-12-22. These...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 03:18 AM

#18 Federal

Surface water and atmospheric CO2 and N2O dataset in the world-wide ocean from multiple cruises from 1977-11-07 to 1990-04-16 (NCEI Accession 0000072)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: March 13, 2013 at 12:00 AM

Temperature and chemical data were collected using bottle and gas chromatograph casts from NOAA Ship Malcolm Baldrige and other platforms in the Atlantic and Pacific Ocean from 07 November 1977 to...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 01:06 AM

#19 Federal

SPLASH Field Study; NOAA PSL thermodynamic profiles retrieved from ASSIST infrared radiances with the optimal estimation physical retrieval TROPoe (NCEI Accession 0303808)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: April 29, 2025 at 12:00 AM

This dataset contains daily files with thermodynamic profiles retrieved with the optimal estimation physical retrieval TROPoe (TROPoe, Turner and Löhnert 2014; Turner and Blumberg 2019; Turner and...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 05:00 AM

#20 Federal

Compilation of dissolved organic matter (DOM) data obtained from global ocean observations from 1994 to 2021, Version 2 (NCEI Accession 0227166)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: November 04, 2022 at 12:00 AM

This dataset consists of measurements of dissolved organic matter (DOM) and other chemical and hydrographic parameters obtained during the global ocean observations from 1994-01-01 to 2021-05-29....

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 03:50 AM

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