Catalog - Data.gov

Found 42 datasets matching "elemental concentration".

#1 Federal
Primary measurement of gaseous elemental mercury concentration with a dynamic range of six decades
- Organization: National Institute of Standards and Technology
- Updated: 2022-07-13 00:00:00
Data for "Primary measurement of gaseous elemental mercury concentration with a dynamic range of six decades" article for submission
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Search relevance: 178.98 | Views last month: 0
#2 Federal
National Park Service Alaska Region Archive of Elemental Concentration of Moss Tissue, Lichen Tissue and Soils, 2000 – 2019
- Organization: Department of the Interior
- Updated: 2025-02-21T00:00:00Z
This data archive holds the elemental concentration and associated data from moss, lichen and soil collections in the NPS Alaska Region from 2000 to 2019. The sample media analyzed came from 17...
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Search relevance: 168.03 | Views last month: 0
#3 Federal
Comparison of primary laser spectroscopy and mass spectrometry methods for measuring mass concentration of gaseous elemental mercury
- Organization: National Institute of Standards and Technology
- Updated: 2020-07-30 00:00:00
Data for mass concentration analysis and spectral analysis for the paper titled, "Comparison of primary laser spectroscopy and mass spectrometry methods for measuring mass concentration of gaseous...
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Search relevance: 138.38 | Views last month: 0
#4 Federal
PM mass and elemental species concentration data for I-96 monitoring sites
- Organization: U.S. Environmental Protection Agency
- Updated: 2016-09-12
PM2.5 (fine) and PM10-2.5 (coarse) mass concentrations for monitoring sites located 10 m, 100 m and 300 m north of Interstate I-96 in Detroit, the water-soluble and acid-soluble elemental species...
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Search relevance: 84.64 | Views last month: 2
#5 Federal
Concentration Data for 12 Elements of Concern Used in the Development of Surrogate Models for Estimating Elemental Concentrations in Surface Water of Three Hydrologic Basins (Delaware River, Illinois River and Upper Colorado River)
- Organization: Department of the Interior
- Updated: 2025-06-24T00:00:00Z
The release of elements of concern (EoC) to surface water can involve both natural and anthropogenic sources. Elevated EoC concentrations can pose a risk to human health, wildlife, and ecosystem...
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Search relevance: 82.55 | Views last month: 2
#6 Federal
NOAA/WDS Paleoclimatology - Ziegler and Murray 2007 Central Pacific ODP1215 Cenozoic Elemental Concentration Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2007-04-30T00:00:00.000+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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Search relevance: 76.91 | Views last month: 0
#7 Federal
Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN510 in the Gulf of Mexico from 2012-06-27 to 2012-07-04 (NCEI Accession 0205623)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-10-22T00:00:00.000+00:00
This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN510 in the northern...
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Search relevance: 62.65 | Views last month: 0
#8 Federal
Data from the Chemical Analysis of Archived Stream-Sediment Samples, Alaska
- Organization: Department of the Interior
- Updated: 2025-05-26T00:00:00Z
This data release contains the elemental concentration data for more than 1700 archived stream-sediment samples collected in Alaska. Samples were retrieved from the USGS Mineral Program's sample...
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Search relevance: 52.89 | Views last month: 6
#9 Federal
CTD, elemental (C/N ratios) and isotopic (13C, 15N) data collected from R/V Endeavor cruise EN496 in the northern Gulf of Mexico from 2011-07-03 to 2011-07-26 (NCEI Accession 0183542)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-12-18T00:00:00.000+00:00
This dataset contains CTD, water quality and particle and zooplankton sample elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise...
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Search relevance: 52.26 | Views last month: 0
#10 Federal
Data Set
- Organization: U.S. Environmental Protection Agency
- Updated: 2019-02-15
Each sheet in the current spreadsheet contains data that was generated by the USEPA ORD and used in the manuscript entitled: Particle and Vapor Emissions from Vat Polymerization Desktop-scale...
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Search relevance: 48.75 | Views last month: 1
#11 Federal
Urban sediment and fallout radionuclide input characteristics of Dead Run watershed in Catonsville, Maryland for 2017-2018
- Organization: Department of the Interior
- Updated: 2020-08-21T00:00:00Z
This metadata record documents two comma delimited tables that contain information on fallout radionuclides and urban sediments within Dead Run watershed in Catonsville, Baltimore County,...
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Search relevance: 48.58 | Views last month: 0
#12 Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Carbon, nitrogen and sulfur stable isotope values of organisms from created and natural marsh of Lake Hermitage, West Point a la Hache, and Bay Batiste, Louisiana, May 2019 (NCEI Accession 0304324)
- 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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Search relevance: 47.37 | Views last month: 0
#13 Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Carbon and nitrogen stable isotope values of organisms from created and natural marsh of Lake Hermitage, West Point a la Hache, and Bay Batiste, Louisiana, May 2018 (NCEI Accession 0302883)
- 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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- +7 more
Search relevance: 47.37 | Views last month: 0
#14 Federal
Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN509 in the Gulf of Mexico from 2012-05-26 to 2012-06-19 (NCEI Accession 0205197)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-10-21T00:00:00.000+00:00
This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN509 in the northern...
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Search relevance: 47.23 | Views last month: 0
#15 Federal
CTD, water and sediment chemistry, particle sample elemental (C, N) and isotopic (13C, 15N) data, and time series photographs obtained from a marine snow profiling camera during R/V Endeavor cruise EN515 in the Gulf of Mexico from 2012-09-06 to 2012-09-16 (NCEI Accession 0208348)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-01-17T00:00:00.000+00:00
This dataset contains CTD, water and sediment chemistry, particle sample elemental (C,N) and isotopic (13C, 15N) data, and time series photographs obtained from a marine snow profiling camera...
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Search relevance: 47.22 | Views last month: 0
#16 Federal
Data from: Genotypic variation in lead (Pb) accumulation dataset in sweetpotato flesh for 10 accessions from the United States of America
- Organization: Department of Agriculture
- Updated: 2026-01-22
The goal of this research is to reduce the lead content in sweetpotato through development of varieties that have concentrations below the action levels for lead in processed food intended for...
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Search relevance: 45.11 | Views last month: 1
#17 Federal
Sediment Chemistry and Physical Properties from Sediments in the Aztec Drinking Water Reservoir #1
- Organization: Department of the Interior
- Updated: 2020-08-25T00:00:00Z
The elemental concentration over time of sediments from four trenches from the Aztec drinking water reservoir #1. The source of water to the reservoir is the Animas River, which has historical...
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Search relevance: 43.06 | Views last month: 0
#18 Federal
Tributary sand input data, Colorado River, Grand Canyon National Park, Arizona
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
These data were compiled from sampling pre-dam flood terraces and sand bar deposits of the Colorado River in Glen Canyon between Glen Canyon Dam and the Paria River confluence. This includes sand...
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Search relevance: 43.03 | Views last month: 0
#19 Federal
Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska
- Organization: Department of the Interior
- Updated: 2024-05-03T00:00:00Z
This data release contains elemental concentration data from the reanalysis of 13,930 archived stream-sediment sample and associated stream sediment reference material and 968 archived rock...
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Search relevance: 41.79 | Views last month: 0
#20 Federal
NARSTO_SOS_SC_UPSTATE PM2.5 Composition Data
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
The NARSTO_SOS_SC_UPSTATE_PM25_COMPOSITION data were collected during July 2001 and January of 2002 to elucidate the seasonal variability of the aerosols. Samples were collected at a rural...
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- +7 more
Search relevance: 40.15 | Views last month: 0

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