• Organization: U.S. Environmental Protection Agency
• Updated: 2022-11-09

Use of table isotope in surficial sediments and bivalves for assessing anthropogenic development in watersheds of lakes and estuaries. This dataset is associated with the following...

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• Organization: Department of the Interior
• Updated: 2025-01-30T00:00:00Z

A watershed in the coastal Canadian Arctic was sampled for dissolved carbon dioxide and methane concentration and stable carbon (carbon-13) isotopes to trace the transport, production, and...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2018-11-27

This dataset contains the nutrient analysis (carbon, nitrogen, stable isotopes) for estuary water, leaf detritus, container habitat water, larvae within containers, and adult mosquitos, as well as...

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• Organization: Department of the Interior
• Updated: 2021-06-22T00:00:00Z

Total carbon and nitrogen concentrations, and delta carbon-13 and delta nitrogen-15 stable isotope ratios, were determined in sediment samples to potentially identify the sources of organic matter...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

The nature of carbon (C) cycling in the vadose zone where groundwater is in contact with abundant gas-filled voids is poorly understood. The objective of this study was to trace C cycling in a...

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• Organization: Department of the Interior
• Updated: 2021-09-23T00:00:00Z

Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and sandy overwash...

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• Organization: Department of the Interior
• Updated: 2021-08-18T00:00:00Z

This data set includes a variety of bulk organic carbon, lignin-phenol biomarker, and sedimentation rate data from a set of sites in the Blackwater Marsh in Chesapeake Bay. At each site, a short...

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• Organization: Department of the Interior
• Updated: 2021-09-23T00:00:00Z

Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and sandy overwash...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-10-25T00:00:00.000+00:00

This dataset is the SURATLANT (SURveillance ATLANTique) dataset and consists of individual data of temperature, salinity, dissolved inorganic carbon (DIC) and its isotopic composition d13CDIC,...

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• Organization: Department of the Interior
• Updated: 2021-09-23T00:00:00Z

Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and sandy overwash...

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• Organization: Department of the Interior
• Updated: 2021-09-23T00:00:00Z

Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and sandy overwash...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2023-08-16

Coastal eutrophication is a prevalent threat to the healthy functioning of ecosystems globally. While degraded water quality can be detected by monitoring oxygen, nutrient concentrations, and...

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• 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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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-02-13T00:00:00.000+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: 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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• Organization: Department of the Interior
• Updated: 2025-05-30T00:00:00Z

The data release includes zircon and titanite U-Pb-Thisotope and age data, monazite U-Pb-Th isotope, trace element and age data, carbon and sulfur stableisotope data, and graphite Raman...

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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: 2021-03-15T00:00:00Z

The St Louis River (SLR) is the second largest tributary to Lake Superior and a designated area of concern (AOC) due to past industrial contamination of organic chemicals and heavy metals,...

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• 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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• Organization: Department of the Interior
• Updated: 2021-09-21T00:00:00Z

Stable carbon and nitrogen isotope data from green turtles sampled at Dry Tortugas National Park, FL. Dataset includes: date collected, length, tissue type, percent of isotopes, calculated values...

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