• Organization: Department of the Interior
• Updated: 2020-08-30T00:00:00Z

Mesopelagic fishes represent an important component of the marine food web due to their global distributions, high abundances and ability to transport organic material throughout a large part of...

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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: 2024-09-30T00:00:00Z

This dataset contains isotope results of stable isotope (δ13C and δ15N) and radicoarbon (F14C) analyses of muscle tissue from fish collected in the nearshore Beaufort Sea, Alaska in summers 2017-2019.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

Stomach contents and stable isotope analyses were used to determine the diet of lionfish in the warm-temperate hard bottom reef community in theSoutheast US Atlantic Ocean.

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• Organization: U.S. Environmental Protection Agency
• Updated: 2024-12-01

Newly recovered xenoliths from the modern backarc region in southern Peru were collected to investigate the metasomatic history of the northern Altiplano lithosphere and improve constraints on the...

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• Organization: Department of the Interior
• Updated: 2024-12-12T00:00:00Z

Datasets of the sediment grain size and geochemistry, macrofaunal communities, stable isotope (carbon, nitrogen, sulfur) and seep video analyses associated with deep-sea corals, submarine canyons...

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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: 2022-08-12T00:00:00Z

This Data Release contains data associated with the journal article "Geochemistry of the Cretaceous Mowry Shale in the Wind River Basin, Wyoming". Data include bulk organic geochemistry, major and...

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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: 2020-08-30T00:00:00Z

The primary objective of this study was to assess deepsea food web structure and trophic niches in Baltimore and Norfolk canyons, the adjacent slopes, and chemosynthetic seeps along the...

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• Organization: Department of the Interior
• Updated: 2024-02-14T00:00:00Z

This data release contains geochemical and spectroscopic laboratory results associated with the journal article "Middle-Late Holocene paleolimnological changes in central Lake Tanganyika:...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

Small vessel surveys are conducted within estuarine and nearshore coastal waters to collect tissue biopsy samples from bottlenose dolphins. Visual surveys are conducted to find bottlenose dolphin...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

Chemistry and Isotope Data Sample Collection: Water samples were collected from approximately 100 feet (30 meters) below the water table using either a 4 foot or 6 foot long stainless-steel...

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• Organization: Department of the Interior
• Updated: 2023-11-27T00:00:00Z

This data release contains data associated with the journal article, “Comparison of δ13C Analyses on Individual Foraminifer (Orbulina universa) Shells by Secondary Ion Mass Spectrometry and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

Small vessel surveys were conducted within estuarine and nearshore coastal waters of Barataria Bay, LA and Mississippi Sound, MS to collect tissue biopsy samples from bottlenose dolphins. Visual...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

These data sets include a compilation of small vessel based studies of bottlenose dolphins that reside within Barataria Bay, LA, Mississippi Sound, MS and nearshore coastal waters. The data...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

Sediment grain-size distributions, stable carbon isotope ratios (d13C), total carbon to total nitrogen ratios (C:N), short-lived radionuclides (Beryllium-7, Cesium-137, and Lead-210),...

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• Organization: Department of the Interior
• Updated: 2023-07-07T00:00:00Z

The USGS Precipitation Chemistry Quality Assurance Project (PCQA) conducts research using the infrastructure of the National Atmospheric Deposition Program (NADP) National Trends Network (NTN)....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-07-22T00:00:00.000+00:00

We analyzed sequential δ13C and δ15N values along single whiskers sampled from unrelated northern fur seal pups and post-parturient females at San Miguel Island, California. The longest dorsal...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

During recent decades, lake levels in the Yukon Flats region of interior Alaska have fluctuated dramatically. However, prior to recorded observations, no data are available to indicate if similar...

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