Catalog - Data.gov

Found 13 datasets matching "radioisotopes".

Federal
Radioisotopes, percent organic carbon, percent inorganic sediment, and bulk density for peat and sediment cores collected in the Sacramento-San Joaquin Delta, California
- Organization: Department of the Interior
- Updated: 2020-08-12T00:00:00Z
This data release contains data from cores collected in marshes and in sediments under invasive Brazilian waterweed (Egeria densa Planchon) in the Sacramento-San Joaquin Delta of California during...
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Search relevance: 46.06 | Views last month: 1
Federal
Wetland Paleoecological Study of Coastal Louisiana: X-radiographs
- Organization: Department of the Interior
- Updated: 2021-11-09T00:00:00Z
Wetland sediment data was collected from coastal Louisiana as part of a pilot study to develop a diatom-based proxy for past wetland water chemistry and the identification of sediment deposits for...
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Search relevance: 40.87 | Views last month: 0
Federal
Wetland Paleoecological Study of Coastal Louisiana: Sediment Cores and Diatom Samples Dataset
- Organization: Department of the Interior
- Updated: 2021-11-09T00:00:00Z
Wetland sediment data was collected from coastal Louisiana as part of a pilot study to develop a diatom-based proxy for past wetland water chemistry and the identification of sediment deposits for...
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Search relevance: 38.46 | Views last month: 0
Federal
Temperature, salinity, radioisotopes, sediments, and other data from Phase II Outer Continental Shelf (OCS) Monitoring Program in the Santa Maria Basin, California from 1986-10-21 to 1987-03-08 (NCEI Accession 8900198)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-10-03T00:00:00.000+00:00
These data are part of the data collected for the California Phase II OCS Monitoring Program of the Santa Maria Basin by Dr. Hyland from Battelle Ocean Science and Dr. Lissner from SAIC spanning...
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Search relevance: 34.95 | Views last month: 0
Federal
Concentration of chemical constituents in lake sediments from selected coring locations on Lake Lanier, Georgia, May 2018 (ver. 2.0, June 2021)
- Organization: Department of the Interior
- Updated: 2021-06-22T00:00:00Z
The data herein were collected in support of a larger study in Gwinnett County, Georgia, on the potential impacts of on-site waste water treatment (septic systems) on Lake Lanier water quality....
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Search relevance: 28.32 | Views last month: 0
Federal
LBA-ECO TG-09 Soil Isotopic C, N, H2O, and N2O Data, Tapajos National Forest, Brazil
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set reports the results of carbon, nitrogen, and oxygen isotopic analyses of soil, soil water, and N2O soil gas samples; total soil carbon and nitrogen concentrations; and soil texture...
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Search relevance: 25.33 | Views last month: 0
Federal
Collection, analysis, and age-dating of sediment cores from a salt marsh platform and ponds, Rowley, Massachusetts, 2014-15
- Organization: Department of the Interior
- Updated: 2021-01-25T00:00:00Z
Sediment cores were collected from three sites within the Plum Island Ecosystems Long-Term Ecological Research (PIE-LTER) domain in Massachusetts to obtain estimates of long-term marsh...
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Search relevance: 22.86 | Views last month: 0
Federal
Radium and Radon Radioisotope Activity Data from Samples Collected Between May 2019 and September 2020 Along the West Florida Shelf (Amberjack and Green Banana Blue Holes)
- Organization: Department of the Interior
- Updated: 2022-12-29T00:00:00Z
Relict karstic features or sinkholes, often referred to as blue holes, are common features along continental shelves that are underlain by carbonate rich sediments and/or rocks. Several of these...
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Search relevance: 22.21 | Views last month: 0
Federal
Hydrocarbon concentration, gas chromatography-mass spectrometry characterization, mass-to-charge ratio and monoisotopic intensity, short-lived radioisotope, benthic infauna, sediment texture and composition data collected aboard R/V Justo Sierra cruise JS-0815 in the southern Gulf of Mexico from 2015-07-31 to 2015-08-08 (NCEI Accession 0226973)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-04-14T00:00:00.000+00:00
This dataset contains the concentration of polycyclic aromatic hydrocarbon (PAHs) and biomarkers (hopanes, steranes, alkanes) in marine sediment cores using gas chromatography-mass spectrometry...
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Search relevance: 12.17 | Views last month: 0
Federal
Short-lived radioisotope, sediment core photographs, and bulk density and porewater data from sediment cores collected aboard R/V Weatherbird II cruises WB-0813 and WB-1405 in the Gulf of Mexico from 2013-08-15 to 2013-09-27 (NCEI Accession 0229075)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-04-22T00:00:00.000+00:00
This dataset contains short-lived radioisotope (SLRad), sediment core photographs, and bulk density/porewater data from sediment cores collected aboard R/V Weatherbird II cruises WB-0813 and...
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Search relevance: 10.33 | Views last month: 0
Federal
CTD, Short-lived radioisotope, sediment sample location data, and other sediment data types collected aboard R/V Weatherbird cruise WB-0816 in the Gulf of Mexico from 2016-08-05 to 2016-09-09 (NCEI Accession 0226799)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-04-14T00:00:00.000+00:00
This dataset contains CTD, short-lived radioisotope (SLRad), sediment sample location data, and other sediment data types obtained from sediment cores collected aboard R/V Weatherbird cruise...
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Search relevance: 10.01 | Views last month: 0
Federal
Benthic foraminiferal assemblages, stable isotopes, and short-lived radioisotope measurements from sediment cores collected during the multiple cruises in the northwestern margin of Cuba and Gulf of Mexico from 2010-06-13 to 2017-07-19 (NCEI Accession 0234331)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-06-23T00:00:00.000+00:00
This dataset contains a compilation of seafloor surface benthic foraminifera assemblages, baseline stable carbon and oxygen isotope measurements from benthic foraminifera, and short-lived...
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Search relevance: 9.60 | Views last month: 0
Federal
Gas chromatography-mass spectrometry characterization, short-lived radioisotope, and other sediment data collected aboard R/V Weatherbird cruise WB-0814 in the northern Gulf of Mexico from 2014-08-14 to 2014-08-28 (NCEI Accession 0226099)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-03-12T00:00:00.000+00:00
This dataset contains data from sediment cores collected aboard R/V Weatherbird cruise WB-0814 in the northern Gulf of Mexico from 2014-08-14 to 2014-08-28. It includes gas chromatography-mass...
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- +5 more
Search relevance: 9.07 | Views last month: 0

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