Catalog - Data.gov

Found 41 datasets matching "Stable Oxygen Isotopes".

Federal
LBA-ECO CD-02 Carbon, Nitrogen, Oxygen Stable Isotopes in Organic Material, Brazil
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set reports the measurement of stable carbon, nitrogen, and oxygen isotope ratios in organic material (plant, litter and soil samples) in forest canopy profiles and pasture (grasses and...
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Search relevance: 103.86 | Views last month: 0
Federal
Stable oxygen isotopes, water temperature, salinity, and others taken by CTD and water samples from the research vessel Thomas G. Thompson in the South Indian Ocean from 2018-11-07 to 2018-12-12 (NCEI Accession 0292785)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-05-20T00:00:00.000+00:00
This dataset contains water temperature, salinity, and oxygen concentration taken by CTD, as well as stable oxygen and hydrogen isotope observations inferred from laboratory analyses of seawater...
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Search relevance: 99.23 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Eastern Amazon Tree Ring Oxygen Stable Isotopes and Precipitation Reconstruction 1885–2016 CE
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-12T00:00:00.000+00:00
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
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Search relevance: 96.32 | Views last month: 0
Federal
Trace elements and stable isotopes of Uvigerina peregrina and Globorotalia inflata from multicore core-tops taken from the Roger Revelle in the Southwest Pacific from 2005-02-26 to 2005-03-24 (NCEI Accession 0250370)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-04-26T00:00:00.000+00:00
Foraminifera (Uvigerina peregrina and Globorotalia inflata) samples were selected from core-top material of multicores located in the southwest Pacific in New Zealand's Bay of Plenty and along...
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Search relevance: 95.23 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Central Peruvian Andes Oxygen and Carbon Stable Isotopes Data from 1879 to 2007 CE
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-07T00:00:00.000+00:00
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
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Search relevance: 94.92 | 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: 93.35 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - South American Altiplano tree-ring oxygen stable isotopes and precipitation reconstruction data from 1700 to 2013 CE
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-14T00:00:00.000+00:00
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
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Search relevance: 88.01 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Core top study of stable isotopes of carbon and oxygen from fossil planktonic foraminifers shells on the Rio Grande Rise
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-02-20T00:00:00.000+00:00
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
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Search relevance: 85.94 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC) and total alkalinity (TA), water temperature, salinity and other parameters, collected from discrete sample and profile observations during the R/V Rachel Carson cruise RC0083 (EXPOCODE 32RC20220812) in the Gulf of Alaska, North Pacific Ocean from 2022-08-11 to 2022-08-24 (NCEI Accession 0297461)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-09-20T00:00:00.000+00:00
This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, dissolved oxygen, macronutrients, and oxygen isotopes...
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Search relevance: 82.90 | Views last month: 0
Federal
NRSA2324 Nitrate Stable Isotope Ratios
- Organization: U.S. Environmental Protection Agency
- Updated: 2025-06-02
Stable Isotope Ratios of Nitrate from the National Aquatic Resource Survey 2023 and 2024. We analyzed 163 samples with nitrate concentrations above 2 mg-N/L for oxygen and nitrogen isotopes of...
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Search relevance: 80.28 | Views last month: 0
Federal
Coral geochemistry time series from Kahekili, west Maui
- Organization: Department of the Interior
- Updated: 2021-06-08T00:00:00Z
Geochemical analysis (including stable boron, boron:calcium ratio, and carbon and oxygen isotopes) were measured from coral cores collected in July 2013 from the shallow reef at Kahekili in...
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Search relevance: 77.86 | Views last month: 1
Federal
Characterization of water residence time, nutrients, phytoplankton and related water quality constituents in the Cache Slough Complex of the California Sacramento-San Joaquin Delta in 2017 and 2018
- Organization: Department of the Interior
- Updated: 2024-07-31T00:00:00Z
Data was collected in the Cache Slough Complex located in the northern San Francisco Estuary to characterize water quality parameters at high spatial resolution. Data collection was conducted on...
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Search relevance: 75.76 | Views last month: 0
Federal
Stream water isotope data from the Snoqualmie River Basin 2017-2018, and related watershed information
- Organization: U.S. Environmental Protection Agency
- Updated: 2020-10-20
Water stable isotope data (both hydrogen and oxygen isotopes of H2O) from the Snoqualmie River Basin from 2017-2018. This data was paired with USGS gauge data so includes watershed...
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Search relevance: 75.49 | Views last month: 1
Federal
"RV Manta - FGBNMS - FGBNMS-17-06-DiMarco_WTX01.nc - 29.31N, 94.82W - 2017-06-11"
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-10-15T00:00:00.000+00:00
To conduct oceanographic research in the northwestern Gulf of Mexico, 12-16 June 2017, to estimate the areal extent and vertical distribution of dissolved oxygen concentration, nitrate stable...
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Search relevance: 73.52 | Views last month: 0
Federal
Geochemistry of authigenic carbonates from Cascadia Margin
- Organization: Department of the Interior
- Updated: 2023-08-04T00:00:00Z
Geochemical analysis of authigenic carbonates from the Cascadia Subduction Zone. Powdered carbonate samples for stable carbon (delta-C-13) and oxygen (delta-O-18) isotopes and carbonate phase were...
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Search relevance: 73.06 | Views last month: 0
Federal
Isotope analyses (234U/238U, 87Sr/86Sr, δ13C, and δ18O) and U-series disequilibrium ages for speleothem, water, and rock samples associated with Fitton Cave, Buffalo National River, Arkansas, USA
- Organization: Department of the Interior
- Updated: 2023-08-30T00:00:00Z
This data release contains tabular data (comma-separated-value files) of natural radiogenic isotopes of strontium, uranium, and thorium for samples of modern water, speleothems, associated with...
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Search relevance: 71.79 | Views last month: 0
Federal
Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Water Isotopes
- Organization: Department of the Interior
- Updated: 2023-03-30T00:00:00Z
Water samples for Oxygen-18 and deuterium isotope determinations were stored unfiltered in 15 ml glass bottles and analyzed at the USGS laboratories in Reston, Virginia. Analysis of oxygen...
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Search relevance: 68.15 | Views last month: 0
Federal
LBA-ECO CD-02 Carbon and Oxygen Isotopes in Atmospheric CO2 in the Amazon: 1999-2004
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set reports carbon and oxygen stable isotope ratios of atmospheric carbon dioxide (CO2) collected at several forest and pasture sites and in the free troposphere over Amazonia. There are...
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Search relevance: 67.15 | Views last month: 0
Federal
Water stable isotopes data from Pipestem Creek, North Dakota, 2014-2015
- Organization: U.S. Environmental Protection Agency
- Updated: 2017-10-03
Water stable isotope data (hydrogen and oxygen isotopes of H2O) from wetlands and streams within the Pipestem Creek watershed. This data was collected over two open water seasons (May-September):...
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Search relevance: 64.52 | Views last month: 0
Federal
Cross Basin Isoscapes
- Organization: U.S. Environmental Protection Agency
- Updated: 2020-10-20
Water stable isotope data (hydrogen and oxygen isotopes of H2O) for 5 river basins in Washington state and Alaska. The samples were collected in 2017 during summer baseflow season. Collection...
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Search relevance: 62.78 | Views last month: 1

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