Catalog - Data.gov

Found 9 datasets matching "Isotope Ratio Mass Spectrometer with Elemental Analyzer".

Federal
Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Sulfur and oxygen isotopes of dissolved sulfate
- Organization: Department of the Interior
- Updated: 2023-03-30T00:00:00Z
Aliquots of collected water samples were prepared for isotopic analysis at the USGS laboratories in Menlo Park, CA by precipitating dissolved sulfate as barium sulfate, using the methods of...
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Search relevance: 156.33 | 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: Sulfur isotope analysis of samples from outside the Kīlauea summit crater lake
- Organization: Department of the Interior
- Updated: 2023-03-30T00:00:00Z
Samples from outside the crater lake were analyzed for their sulfur isotopic composition. Samples of sulfate alteration and native sulfur from the Kīlauea summit, Halema’uma’u crater (HMM), and...
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Search relevance: 150.82 | Views last month: 0
Federal
SAFARI 2000 Plant and Soil C and N Isotopes, Southern Africa, 1995-2000
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
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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Search relevance: 112.68 | Views last month: 0
Federal
Silicified wood from around Old Faithful Geyser, Yellowstone National Park: Radiocarbon Dating
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
Radiocarbon dating of silicified wood was performed at the U.S. Geological Survey’s Radiocarbon Laboratory in Denver, Colorado. All samples were chemically treated using the standard...
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Search relevance: 101.08 | Views last month: 0
Federal
Rock, bottom water, and sediment sample, environmental, microbial community and carbon data from samples collected from Papahānaumokuākea Marine National Monument on EV Nautilus expeditions NA134 and NA138 (NCEI Accession 0301713)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-13T00:00:00.000+00:00
Rock, sediment, and bottom water samples were collected via ROV Hercules from seamounts in the Papahānaumokuākea Marine National Monument during expeditions NA134 and NA138 of EV Nautilus, to...
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Search relevance: 64.14 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Bulk sulfur stable isotopes of on- and off-marsh fish species in restored vs. natural Louisiana marshes near the West Pointe A La Hache siphon, May 2018 (NCEI Accession 0302625)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-03-25T00:00:00.000+00:00
This dataset contains bulk sulfur stable isotope values (δ34S) derived from muscle tissue collected from fish species utilizing various marsh sub-habitats (edge, creek, ponds) along a salinity...
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Search relevance: 55.20 | Views last month: 0
Federal
Diet and stable isotope (bulk-tissue and compound specific amino acid) data of larval and juvenile deep pelagic Paralepidid fishes collected during multiple cruises in the northern Gulf of Mexico from 2010-09-10 to 2011-08-23 (NCEI Accession 0245830)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-03-21T00:00:00.000+00:00
A series of Natural Resource Damage Assessment (NRDA) cruises were conducted in 2010 and 2011 to evaluate the distribution and densities of ichthyoplankton and other zooplankton in Gulf of Mexico...
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Search relevance: 47.03 | Views last month: 0
Federal
Data from: Phenotypic and nodule microbial diversity among crimson clover (Trifolium incarnatum L.) accessions
- Organization: Department of Agriculture
- Updated: 2025-11-22
Phenotypic evaluation of 37 crimson clover (Trifolium incarnatum L.) accessions from the US National Plant Germplasm System. Focus of the trial was on traits important for cover crop performance,...
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Search relevance: 43.39 | Views last month: 2
Federal
Sea surface temperature, salinity, stable isotopes ratios of micronekton species, and other historical catch data collected during multiple cruises in Gulf of Mexico from 2007-06-20 to 2015-08-21 (NCEI Accession 0242953)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-12-20T00:00:00.000+00:00
This data package reports presence/absence and density data, and environmental data (temperature, salinity, dissolved oxygen) collected in the northern Gulf of Mexico during R/V Blazing Seven...
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Search relevance: 40.76 | Views last month: 0

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