147 datasets found
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Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
Federal
Application of nitrogen generated by grazing cattle to range 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 nitrogen generated by grazing cattle that was applied to range land... -
Federal
Nutrient loading, flushing rate, and lake morphometry data used to identify trophic states in selected watersheds of the eastern and southeastern United States
Department of the Interior —
For State agencies and other water-resources managers, determining which waterbodies to allocate limited funds for protection and restoration while also maximizing... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: PRISM 30-Year Average (1961-1990) Relative Humidity (percent)
Department of the Interior —
This tabular data set represents PRISM 30-year average (1961-1990) relative humidity (percent) compiled for two spatial components of the NHDPlus version 2 data suite... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year (1971 - 2000) Mean Annual Precipitation
Department of the Interior —
This tabular data set represents 30 year (1971 - 2000) mean annual precipitation in millimeters compiled for two spatial components of the NHDPlus version 2 data... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Physiographic Provinces
Department of the Interior —
This tabular data set represents the percent of physiographic provinces 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: Select Geochemical Characteristics Based on Olson Geology Types
Department of the Interior —
This tabular data set represents select geochemical characteristics based on Olson geology types in surface or near surface geology (Olson, 2014) compiled for two... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Crop Land Data Layer 2013
Department of the Interior —
This tabular data set represents the percent of land cover classes from the 2013 Crop land Data Layer compiled for two spatial components of the NHDPlus version 2... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Level 3 Ecoregions
Department of the Interior —
This data set represents the estimated area of level 3 ecological landscape regions (ecoregions), as defined by Omernik (1987), compiled for every catchment of... -
Federal
Bootstrap-Estimated Land-to-Water Coefficients from the CBTN_v4 SPARROW Model
Department of the Interior —
This file contains 200 sets of bootstrap-estimated land-to-water coefficients from the CBTN_v4 SPARROW model, which is documented in USGS Scientific Investigations... -
Federal
Mean annual solar radiation in the United States Pacific Northwest (1991-2005)
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent mean annual solar radiation in the Pacific Northwest region of the United States... -
Federal
Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States
U.S. Environmental Protection Agency —
Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields, as predicted by the 2012 regional USGS SPARROW models.Excess nitrogen and... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Nitrogen and Phosphorous Estimates from Fertilizer and Manure, 2012
Department of the Interior —
This tabular data set represents estimated loads of nitrogen and phosphorous from fertilizer and manure applied on agricultural land for the year 2012 compiled for... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year Average (1961-1990) of Maximum Monthly Precipitation in Millimeters
Department of the Interior —
This tabular data set represents 30 year average (1961-1990) of maximum monthly precipitation in millimeters compiled for two spatial components of the NHDPlus... -
Federal
Upper Colorado River Basin SPARROW model catchments and synthetic stream network - 2017
Department of the Interior —
This data collection consists of a synthetic stream network and associated catchments developed as the foundation for a Spatially Referenced Regressions on Watershed... -
Federal
Application of phosphorus generated by grazing cattle to range 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 phosphorus generated by grazing cattle that was applied to range... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Crop Land Data Layer 2012
Department of the Interior —
This tabular data set represents the percent of land cover classes from the 2012 Crop land Data Layer compiled for two spatial components of the NHDPlus version 2... -
Federal
Nutrient generation at dairies and feedlots 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 nitrogen and phosphorus generated by cattle at dairies and feedlots... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Nutrient Application (Phosphorus and Nitrogen) for Fertilizer and Manure Applied to Crops (Cropsplit), 2002
Department of the Interior —
This tabular data set represents the estimated amount of phosphorus and nitrogen fertilizers applied to selected crops for the year 2002, compiled for every MRB_E2RF1... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Select Basin Characteristics
Department of the Interior —
This tabular data set represents select basin characteristics compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous...
147 datasets found