Catalog - Data.gov

#1 Federal

Dissolved organic carbon and nitrogen release from boreal Holocene permafrost and seasonally frozen soils of Alaska

Organization: Department of the Interior
Dataset Last Updated: August 31, 2020 at 12:00 AM

Permafrost (perennially frozen) and active-layer (seasonally thawed) soils varying in soil carbon (C) and nitrogen (N) content and radiocarbon age were collected from three sites in interior...

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Search relevance: 169.35 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:06 PM

#2 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: 113.35 | Views last month: 1 | Catalog Last Checked: May 29, 2026 at 07:39 PM

#3 Federal

ModMon Neuse River Estuary and Pamlico Sound Water Quality Monitoring from 1994-01-24 to 2022-01-22 (NCEI Accession 0294041)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 27, 2025 at 12:00 AM

The Neuse River Estuary Water Quality Dataset is a compilation of the biological, chemical and physical water quality data that was collected along the length of the Neuse River Estuary, North...

Search relevance: 111.84 | Views last month: 3 | Catalog Last Checked: May 29, 2026 at 08:25 PM

#4 Federal

Storm Event Chemistry and Yields for Precipitation, Throughfall, Stemflow, and Stream Water and Hourly Streamflow and Precipitation Record for the W-9 Catchment, Sleepers River Research Watershed, 2017 and 2018 (ver. 2.0, September 2022)

Organization: Department of the Interior
Dataset Last Updated: September 23, 2022 at 12:00 AM

This dataset describes water yields for precipitation, throughfall and stemflow for 22 rain events within the 41-hectare (ha) forested W-9 catchment at Sleepers River, Vermont. Sampling occurred...

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Search relevance: 108.60 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:56 PM

#5 Federal

Bottle discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), temperature, salinity, oxygen and other hydrographic and chemical parameters during the small boat Buzzards Baykeeper cruises and other platforms in the Buzzards Bay, Massachusetts from 2015-06-15 to 2017-09-01 (NCEI Accession 0206206)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 31, 2019 at 12:00 AM

This dataset includes bottle discrete data collected during the small boat Buzzards Baykeeper cruises and other platforms in the Buzzards Bay, Massachusetts from 2015-06-15 to 2017-09-01. These...

Search relevance: 105.00 | Views last month: 2 | Catalog Last Checked: May 29, 2026 at 07:36 PM

#6 Federal

Nutrients, sedimentation and total suspended solids in the St. Thomas East End Reserves in the Caribbean Sea from 2012-01-16 to 2013-11-25 (NCEI Accession 0139480)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 15, 2016 at 12:00 AM

This data set contains the results from monitoring in the St. Thomas East End Reserves (STEER) in St. Thomas, USVI, from January 2012 to November 2013. The monitoring was conducted by project...

Search relevance: 101.96 | Views last month: 5 | Catalog Last Checked: May 29, 2026 at 07:01 PM

#7 Federal

Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-07-18 to 2002-08-21 (NCEI Accession 0113953)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: February 22, 2017 at 12:00 AM

This dataset includes biological, chemical, discrete sample, physical and profile data collected from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-07-18 to 2002-08-21. These...

Search relevance: 99.71 | Views last month: 3 | Catalog Last Checked: May 29, 2026 at 06:50 PM

#8 Federal

Partial pressure (or fugacity) of carbon dioxide, dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample, profile and time series profile observations using Alkalinity titrator, CTD and other instruments from HERMANO GINES in the Caribbean Sea from 1995-11-08 to 2015-07-29 (NCEI Accession 0112926)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: May 04, 2016 at 12:00 AM

This dataset includes discrete sample, profile and time series profile data collected from HERMANO GINES in the Caribbean Sea from 1995-11-08 to 2015-07-29. These data include AMMONIUM (NH4),...

Search relevance: 98.74 | Views last month: 4 | Catalog Last Checked: May 29, 2026 at 06:47 PM

#9 Federal

Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, PAR Sensor and other instruments from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-05-05 to 2002-06-15 (NCEI Accession 0113952)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: February 22, 2017 at 12:00 AM

This dataset includes biological, chemical, discrete sample, optical, physical and profile data collected from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-05-05 to 2002-06-15....

Search relevance: 98.32 | Views last month: 5 | Catalog Last Checked: May 29, 2026 at 06:50 PM

#10 Federal

Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN510 in the Gulf of Mexico from 2012-06-27 to 2012-07-04 (NCEI Accession 0205623)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 22, 2019 at 12:00 AM

This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN510 in the northern...

Search relevance: 97.87 | Views last month: 1 | Catalog Last Checked: May 29, 2026 at 07:36 PM

#11 Federal

Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from POLARSTERN in the South Atlantic Ocean from 1992-09-29 to 1992-11-30 (NCEI Accession 0117714)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: April 24, 2014 at 12:00 AM

This dataset includes biological, chemical, discrete sample, physical and profile data collected from POLARSTERN in the South Atlantic Ocean from 1992-09-29 to 1992-11-30 and retrieved during...

Search relevance: 96.31 | Views last month: 4 | Catalog Last Checked: May 29, 2026 at 06:55 PM

#12 Federal

Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN509 in the Gulf of Mexico from 2012-05-26 to 2012-06-19 (NCEI Accession 0205197)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 21, 2019 at 12:00 AM

This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN509 in the northern...

Search relevance: 95.83 | Views last month: 4 | Catalog Last Checked: May 29, 2026 at 07:36 PM

#13 Federal

Water quality, quantity, and gas fluxes of the Upper Mississippi River basin (WY 2012-2016)

Organization: Department of the Interior
Dataset Last Updated: August 20, 2020 at 12:00 AM

This product consists of one tabular dataset and associated metadata of water quality information related to rivers, streams, and reservoirs in the Upper Mississippi River watershed between 2012...

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Search relevance: 95.38 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:17 PM

#14 Federal

Water quality and gas fluxes of streams and lakes in Interior Alaska (ABoVE project)

Organization: Department of the Interior
Dataset Last Updated: October 01, 2020 at 12:00 AM

This product consists of multiple tabular datasets and associated metadata of water quality information related to rivers, streams, and lakes in the Yukon River watershed between 2014 and 2018....

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Search relevance: 94.86 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:51 PM

#15 Federal

NODC Standard Format Marine Chemistry from In-Situ Samples (F069) Data (1974-1982) (NCEI Accession 0014192)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: March 21, 2007 at 12:00 AM

This data type contains data from chemical analysis of seawater samples. Cruise information, position, date and time is reported for each station along with sample depth, temperature, salinity and...

Search relevance: 94.09 | Views last month: 2 | Catalog Last Checked: May 29, 2026 at 06:26 PM

#16 Federal

CTD, water, and sediment chemistry data collected aboard R/V Endeavor cruise EN527 in the northern Gulf of Mexico from 2013-06-20 to 2013-07-03 (NCEI Accession 0210558)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: May 26, 2020 at 12:00 AM

This dataset contains CTD, and water and sediment chemistry data collected aboard R/V Endeavor cruise EN527 in the northern Gulf of Mexico from 2013-06-20 to 2013-07-03. The CTD data were...

Search relevance: 93.79 | Views last month: 2 | Catalog Last Checked: May 29, 2026 at 07:43 PM

#17 Federal

CTD, and water and sediment chemistry data collected aboard R/V Endeavor cruise EN528 in the northern Gulf of Mexico from 2013-07-07 to 2013-07-23 (NCEI Accession 0217734)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: August 31, 2020 at 12:00 AM

This dataset contains CTD, and water and sediment chemistry data collected aboard R/V Endeavor cruise EN528 in the northern Gulf of Mexico from 2013-07-07 to 2013-07-03. The CTD data were...

Search relevance: 91.33 | Views last month: 2 | Catalog Last Checked: May 29, 2026 at 07:45 PM

#18 Federal

Nearshore groundwater seepage and geochemical data measured in 2015 at Guinea Creek, Rehoboth Bay, Delaware

Organization: Department of the Interior
Dataset Last Updated: June 08, 2021 at 12:00 AM

Assessment of biogeochemical processes and transformations at the aquifer-estuary interface and measurement of the chemical flux from submarine groundwater discharge (SGD) zones to coastal water...

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Search relevance: 88.78 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:05 PM

#19 Federal

Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, PAR Sensor and other instruments from Investigator in the Indian Ocean from 2015-03-21 to 2015-03-30 (NCEI Accession 0157618)

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

This dataset includes biological, chemical, discrete sample, optical, physical and profile data collected from Investigator in the Indian Ocean from 2015-03-21 to 2015-03-30. These data include...

Search relevance: 88.77 | Views last month: 8 | Catalog Last Checked: May 29, 2026 at 07:13 PM

#20 Federal

Partial pressure (or fugacity) of carbon dioxide, dissolved inorganic carbon, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from the NATHANIEL B. PALMER in the South Pacific Ocean from 1997-01-13 to 1997-02-11 (NCEI Accession 0116069)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 27, 2014 at 12:00 AM

This dataset includes chemical, discrete sample, physical and profile data collected from NATHANIEL B. PALMER in the South Pacific Ocean from 1997-01-13 to 1997-02-11 and retrieved during cruise...

Search relevance: 88.70 | Views last month: 1 | Catalog Last Checked: May 29, 2026 at 06:53 PM

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