• Organization: U.S. Environmental Protection Agency
• Updated: 2015-02-13

Cellulosic stable carbon and oxygen isotope values in tree-rings of mature Douglas-fir trees at five sites in western Oregon. This dataset is associated with the following publication: Lee,...

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• Organization: Department of the Interior
• Updated: 2020-09-04T00:00:00Z

An international project developed, quality-tested, and measured isotope−delta values of 10 new food matrix reference materials (RMs) for hydrogen, carbon, nitrogen, oxygen, and sulfur stable...

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• Organization: Department of the Interior
• Updated: 2021-04-08T00:00:00Z

Stable hydrogen (H), oxygen (O), and sulfur (S) isotope data were collected from the Elizabeth copper mine Superfund site, South Strafford, Vermont. Sample media include surface water (H and O),...

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• Organization: Department of the Interior
• Updated: 2024-02-21T00:00:00Z

Stable isotope compositions (the ratios deuterium/hydrogen, oxygen-18/oxygen-16, and sulfur-34/sulfur-32) are reported for alunite, jarosite, kaolinite, silica, cinnabar, marcasite, and native...

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• Organization: Department of the Interior
• Updated: 2024-08-20T00:00:00Z

Stable isotope analyses are reported (the ratios deuterium/hydrogen, carbon-13/carbon-12, oxygen-18/oxygen-16, and sulfur-34/sulfur-32) for ores and related rocks from the Pea Ridge, Lower Pilot...

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• Organization: Department of the Interior
• Updated: 2021-08-27T00:00:00Z

In support of paleoclimatology investigations, samples of mammillary calcite, calcitic folia, and flowstone were collected by the U.S. Geological Survey in Devils Hole and Devils Hole Cave 2,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-08-21T00:00:00.000+00:00

This dataset includes discrete, profile measurements of Dissolved inorganic carbon (DIC), total alkalinity, stable oxygen isotope (O-18), temperature, salinity, dissolved oxygen, associated CTD...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2023-08-13

Stable water isotopes of precipitation across the USA and from summer and winter. Additionally isotopic data was included for river water within the Willamette River in Oregon. The d18O and d2H...

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• Organization: Department of the Interior
• Updated: 2023-09-14T00:00:00Z

The stable hydrogen (delta 2H) and oxygen (delta 18O) isotopic compositions of more than 6,400 weekly composite samples of precipitation from nine National Atmospheric Deposition Program (NADP)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-07-01T00:00:00.000+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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• 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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• Organization: Department of the Interior
• Updated: 2025-02-07T00:00:00Z

The stable hydrogen (delta 2H) and oxygen (delta 18O) isotopic compositions of more than 1,400 daily or weekly composite samples of precipitation from four National Atmospheric Deposition Program...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-10-18T00:00:00.000+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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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The BOREAS group TE-05 collected measurements in the NSA and SSA on gas exchange, gas composition and tree growth. This data set contains measurements of the concentration and stable carbon...

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• 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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• 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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• Organization: Department of the Interior
• Updated: 2023-08-01T00:00:00Z

This dataset includes tables of radiocarbon, uranium thorium series, and luminescence geochronologic ages and stable carbon and oxygen isotope compositions for sedimentary and organic samples.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-17T00:00:00.000+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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• 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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• Organization: Department of the Interior
• Updated: 2021-09-22T00:00:00Z

Stable oxygen and carbon isotope composition (δ18O and δ13C) and magnesium-to-calcium (Mg/Ca) ratios were measured in the tests of planktic foraminiferal species, Globigerinoides ruber (white...

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