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

This dataset includes stable carbon isotope values, lignin, cellulose, and hemicellulose concentrations (expressed as percent of ash-free dry mass) for riparian cottonwood (Populus deltoides) tree...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-06-14T00:00:00.000+00:00

This dataset contains Isotopic composition (13C and 14C) of sedimentary organic carbon within sediments collected aboard R/V Weatherbird II and R/V Justo Sierra cruises in the southern Gulf of...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-11-07

These data are carbon and nitrogen content and stable isotope measurements of sediments from a lagoon in the Baja California Peninsula. The %N column gives the percent nitrogen, the delta-15-NAir...

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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: Department of the Interior
• Updated: 2020-08-17T00:00:00Z

Fish muscle tissue was analyzed for stable carbon and nitrogen isotope values (delta 13C and delta 15N) for two filter-feeding fishes native to China, silver carp (Hypophthalmichthys molitrix) and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-06-10T00:00:00.000+00:00

This dataset presents results from surface-tethered drifting sediment traps, zooplankton net tows, dissolved inorganic nutrient concentration analyses made on water column samples, and flow...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-02-17 00:00:00

Data set from peer-reviewed publication: A. J. Fleisher et al., Absolute 13C/12C Isotope Amount Ratio for Vienna Pee Dee Belemnite from Infrared Absorption Spectroscopy, Nature Physics....

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• Organization: Department of the Interior
• Updated: 2024-10-25T00:00:00Z

These data are nutrient concentrations of seven key forage-plant species in the ranges of three caribou herds, in northern Alaska. During the growing seasons of 2011-2014, we collected forage...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-22T00:00:00.000+00:00

This dataset contains bulk tissue carbon (delta-13C), nitrogen (delta-15N), and sulfur (delta-34S) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-02T00:00:00.000+00:00

This dataset contains bulk tissue carbon (delta-13C) and nitrogen (delta-15N) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and marsh vertebrates...

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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: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set reports stable isotope ratio data of CO2 (13C/12C and 18O/16O) associated with photosynthetic and respiratory exchanges across the biosphere-atmosphere boundary. Measurements were...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set reports leaf gas flux and leaf properties from samples collected from trees, liana, pasture saplings, and pasture grass located at eight different sampling locations in the states of...

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• Organization: Department of the Interior
• Updated: 2023-04-27T00:00:00Z

Chemical changes in hot springs, as recorded by thermal waters and their mineral deposits, provide a window into the evolution of Yellowstone’s postglacial hydrothermal system. Travertine...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set contains measurements of the concentration and stable carbon (13C / 12C) and nitrogen (15N / 14N) isotope ratios of plant (leaves, roots and fungi) and soil samples from southern...

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• Organization: Department of the Interior
• Updated: 2023-09-25T00:00:00Z

The dataset consists of geochemical and isotopic data from fine-grained sediments and glendonite crystals collected at Carter Creek on the North Slope of Alaska. Total Organic Carbon (TOC) values...

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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: 2020-12-07T00:00:00Z

Sulphur Banks, near the summit of Kīlauea Volcano on the Island of Hawai`i, is a thermal area where volcanic gases and steam are discharged. A research well drilled in the 1920s at Sulphur Banks...

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• Organization: Department of the Interior
• Updated: 2024-06-11T00:00:00Z

This dataset includes stable nitrogen-15 and carbon-13 isotope analysis data derived from freshwater aquatic and semi-aquatic primary producers, invertebrates, and fishes collected from five...

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