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Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: NLCD 2001 Land Use and Land Cover
Department of the Interior —
This tabular data set represents the estimated area of land use and land cover from the National Land Cover Dataset 2001 (LaMotte, 2008), compiled for every MRB_E2RF1... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2011 Percent Imperviousness
Department of the Interior —
This tabular data set represents NLCD 2011 percent imperviousness compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean Saturation Overland Flow as a Percent of Streamflow
Department of the Interior —
This tabular data set represents mean saturation overland flow as a percent of streamflow compiled for two spatial components of the NHDPlus version 2 data suite... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Average Daily Maximum Temperature, 2002
Department of the Interior —
This tabular data set represents the average daily maximum temperature in Celsius multiplied by 100 for 2002, compiled for every MRB_E2RF1 catchment of selected Major... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Average Yearly Freshwater Withdrawals
Department of the Interior —
This data set represents annual freshwater withdrawals averaged over the years 1995-2000 compiled for two spatial components of the NHDPlus version 2.1 data suite... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Average Atmospheric (Wet) Deposition of Inorganic Nitrogen, 2002
Department of the Interior —
This data set represents the average atmospheric (wet) deposition, in kilograms per square kilometer, of inorganic nitrogen for the year 2002 compiled for every... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2001 Percent Imperviousness in 100 Meter Riparian Buffer
Department of the Interior —
This tabular data set represents NLCD 2001 percent imperviousness in the 100 meter riparian buffer zones compiled for two spatial components of the NHDPlus version 2... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Major Sites of the National Pollutant Discharge Elimination System (NPDES)
Department of the Interior —
This tabular data set represents the number and density of major National Pollutant Discharge Elimination System (NPDES) sites, as defined by Environmental Protection... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: NLCD 2001 Tree Canopy
Department of the Interior —
This data set represents the mean percentage of tree canopy from the Canopy Layer of the National Land Cover Dataset 2001, (LaMotte and Wieczorek, 2010), compiled for... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Watershed Potential to Contribute Phosphorus from Geologic Materials to Receiving Streams
Department of the Interior —
This tabular data set represents the contribution of phosphorus (P) to streams from weathering and erosion of surficial geologic materials compiled for two spatial... -
Federal
Shapefile of stream reaches used in Tennessee SPARROW models
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total... -
Federal
Tennessee SPARROW nutrient model archives
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total... -
Federal
Application of fertilizer phosphorus to nonfarm land in the United States Pacific Northwest for 2002
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer phosphorus that was applied to nonfarm land in the... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Nutrient Inputs from Fertilizer and Manure, Nitrogen and Phosphorus (N&P), 2002
Department of the Interior —
This data set represents the estimated amount of nitrogen and phosphorus in kilograms for the year 2002, compiled for every catchment of NHDPlus for the conterminous... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Mean Annual R-factor, 1971-2000
Department of the Interior —
This data set represents the average annual R-factor, rainfall-runoff erosivity measure, compiled for every catchment of NHDPlus for the conterminous United States.... -
Federal
Extent of soil with moderate phosphorus retention potential in the United States Pacific Northwest
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the extent of soils with moderate phosphorus retention potential in the Pacific... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Average Monthly Precipitation, 2002
Department of the Interior —
This data set represents the average monthly precipitation in millimeters multiplied by 100 for 2002 compiled for every catchment of NHDPlus for the conterminous... -
Federal
RSPARROW Modeling Tool used to Estimate Total Nitrogen Sources to Streams and Evaluate Source Reduction Management Scenarios in the Grande Basin, Brazil
Department of the Interior —
The data release documents the development of a hybrid (statistical-mechanistic) SPARROW (SPAtially Referenced Regression On Watershed attributes) model of long-term... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Base Flow Index
Department of the Interior —
This tabular data set represents base flow index (BFI) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Percent NLCD 2011 Tree Canopy
Department of the Interior —
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...