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Found 1890 dataset(s) matching "Conterminous United States".
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This raster depicts the percentage of lithological sodium oxide (Na2O) content in surface or near surface geology. We derived these rasters by calculating the average percent Na2O content for each...
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This tabular data set represents mean infiltration-excess overland flow as a percent of streamflow, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...
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This dataset represents the base flow index values within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are defined in one of two...
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This coverage contains estimates of herbicide use for the twenty-first through the fortieth most-used herbicides in the conterminous United States as reported in Gianessi and Puffer (1991)....
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This tabular data set represents the STATSGO soil layer attribute, salinity, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States;...
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This tabular data set represents average topgraphic wetness index compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
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This dataset represents the base flow index values within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were calculated for every...
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This tabular data set represents percent NLCD 2011 Tree Canopy compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1) individual...
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This tabular data set represents select geochemical characteristics based on Olson geology types in surface or near surface geology (Olson, 2014) compiled for two spatial components of the NHDPlus...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1990 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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The U.S. Geological Survey (USGS) developed a spatial water-quality model called SPAtially Referenced Regressions On Watershed attributes (SPARROW) to estimate the major sources and environmental...
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This raster depicts the percentage of lithological potassium oxide (K2O) content in surface or near surface geology. We derived these rasters by calculating the average percent K2O content for...
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This tabular data set represents Enhanced Vegetation Index compiled for two spatial components of the NHDPlus version 2.1 data suite (NHDPlusv2) for the conterminous United States; 1) individual...
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This tabular data set represents NLCD 2006 percent imperviousness compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
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This tabular data set represents the percent of land cover classes from the 2011 National Land Cover Dataset compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...
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This dataset describes public-supply groundwater use by aquifer type within the glaciated conterminous United States between 2005 and 2014. All or part of 24 states within this glaciated region...
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This tabular data set represents the percent of land cover classes from the 2006 National Land Cover Dataset compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...
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This tabular data set represents the percent of land cover classes from the 2001 National Land Cover Dataset compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...
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This coverage contains estimates of herbicide use for the eighty-first through the ninety-sixth most-used herbicides in the conterminous United States as reported in Gianessi and Puffer (1991)....
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This tabular data set represents the STATSGO Soil texture Attributes compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
