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Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Crop Land Data Layer 2014
Department of the Interior —
This tabular data set represents the percent of land cover classes from the 2014 Crop land Data Layer 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: Principal Aquifers and Rock Types
Department of the Interior —
This tabular data set represents Principal Aquifers and Rock Types compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the... -
Federal
Nutrients generated by livestock applied to farm land, pasture land, and range land in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments
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 that was generated by livestock and applied... -
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: Mean Day of the Year of Last Freeze, from 30 Years of Record (1961-1990)
Department of the Interior —
This tabular data set represents the mean Julian year day of the year of the last freeze, from 30 years of record (1961-1990) compiled for two spatial components of... -
Federal
Point source nutrient discharges to surface water 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 total nitrogen and total phosphorus discharged to surface waters in... -
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: Population Density from U.S. Block-Level Population Density Rasters for 2000
Department of the Interior —
This tabular data set represents population density, persons per square kilometer from 2000Census block level data, processed by James Falcone (USGS, 2016), compiled... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Base-Flow Index, 2002
Department of the Interior —
This tabular data set represents the mean base-flow index expressed as a percent, compiled for every catchment of MRB_E2RF1 catchments of Major River Basins (MRBs,... -
Federal
Nonsewered population in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the population within each incremental watershed delineated in the NHDPlus v2... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: 30-Year Average Annual Maximum Temperature, 1971-2000
Department of the Interior —
This data set represents the 30-year (1971-2000) average annual maximum temperature in Celsius multiplied by 100 compiled for every catchment of NHDPlus for the... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Normalized Atmospheric Deposition for 2002, Total Inorganic Nitrogen
Department of the Interior —
This data set represents the average normalized atmospheric (wet) deposition, in kilograms, of Total Inorganic Nitrogen for the year 2002 compiled for every catchment... -
Federal
Total atmospheric deposition of reduced nitrogen 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 wet and dry deposition of reduced nitrogen in the Pacific Northwest... -
Federal
Dry deposition of oxidized nitrogen 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 dry deposition of oxidized nitrogen in the Pacific Northwest region... -
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 Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Mean Annual Water Balance Variables for the Period of Record, 2000-2014 and Detrended for the Year 2012
Department of the Interior —
This tabular data set represents mean annual water balance variables as described in Wolock and McCabe (2017) for the period 2000-2014, detrended to 2012, compiled... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Mean Infiltration-Excess Overland Flow, 2002
Department of the Interior —
This tabular data set represents the mean value for infiltration-excess overland flow as estimated by the watershed model TOPMODEL, compiled for every MRB_E2RF1... -
Federal
Application of nitrogen generated by cattle at dairies and feedlots to farm 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 at confined cattle operations that was applied to... -
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
Water-quality and streamflow datasets used for estimating long-term mean streamflow and annual loads to be considered for use in the 2012 regional streamflow, nutrient and sediment SPARROW models, United States, 1999-2014
Department of the Interior —
The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of...