Search Data.gov
Found 1729 dataset(s) matching "reference concentration".
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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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This data release includes three tables containing cosmogenic beryllium-10 and aluminum-26 concentrations and related data from samples collected at four sites in central Alaska in 2020, prepared...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of hafnium. A unit of SRM 3122 consists of 50 mL of an acidified...
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Geochemical data were obtained to investigate the fate and transport of nitrogen in a subterranean estuary near East Falmouth, Massachusetts. The goal of this investigation was to assess nitrogen...
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The goal of this study was to complete a comprehensive evaluation of a low-dose copper treatment for zebra mussel (Dreissena polymorpha Pallas 1771) suppression. The treatment objective was to...
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These data are derived from pumice and scoria from Pacheco stage (as defined by Harpel et al., 2021) tephra-fall deposits (TFD) emplaced between <21 ka and 2 ka by eruptions from Misti...
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During the final months of 2MASS observatory operations, a campaign of targeted "long exposure" observations was carried out during times when no previously unscanned parts of the sky were...
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During the final months of 2MASS observatory operations, a campaign of targeted "long exposure" observations was carried out during times when no previously unscanned parts of the sky were...
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During the final months of 2MASS observatory operations, a campaign of targeted "long exposure" observations was carried out during times when no previously unscanned parts of the sky were...
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During the final months of 2MASS observatory operations, a campaign of targeted "long exposure" observations was carried out during times when no previously unscanned parts of the sky were...
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This dataset is four tables containing cosmogenic beryllium-10 and aluminum-26 concentrations and related data, as well as infrared stimulated luminescence data, from samples collected at 21 sites...
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During the final months of 2MASS observatory operations, a campaign of targeted "long exposure" observations was carried out during times when no previously unscanned parts of the sky were...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of antimony. A unit of SRM 3102a consists of 50 mL of an acidified...
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The data files correspond to the figures in the manuscript and can be read into the open-source R software using standard commands (e.g., data <- readRDS('filename.rds') ). Citation information...
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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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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of tungsten. A unit of SRM 3163 consists of 50 mL of an acidified...
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This dataset contains oceanographic and surface meteorological data collected from non-Federal stations throughout the mid-Atlantic region of the United States. The data is predominantly long time...
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The goal of this study was to develop a suite of inter-related water quality monitoring approaches capable of modeling and estimating the spatial and temporal gradients of particulate and...
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This data release includes new major and trace element geochemical data acquired by the U.S. Geological Survey (USGS) for igneous rocks in the Cripple Creek district in Colorado. Cripple Creek is...
