344 datasets found
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Federal
Data from Decadal Change in Groundwater Quality Web Site, 1988-2020 recent views
Department of the Interior —
Evaluating Decadal Changes in Groundwater Quality: Groundwater-quality data were collected from 5,000 wells between 1988-2001 (first decadal sampling event) by the... -
Federal
Data for three-dimensional distribution of groundwater residence time metrics in the glaciated United States using metamodels trained on general numerical simulation models recent views
Department of the Interior —
Residence time distribution (RTD) is a critically important characteristic of groundwater flow systems; however, it cannot be measured directly. RTD can be inferred... -
Federal
Data for Groundwater-Quality and Select Quality-Control Data for the Colorado Plateaus Principal Aquifer recent views
Department of the Interior —
Groundwater samples were collected from 60 public supply wells in the Colorado Plateaus principal aquifer. Water quality evaluations of groundwater for drinking water... -
Federal
Mean annual solar radiation in the United States Pacific Northwest (1991-2005) recent views
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
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Mean Infiltration-Excess Overland Flow, 2002 recent views
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 catchment of... -
Federal
National Land Cover Database 2001 (NLCD01) Tile 4, Southeast United States: NLCD01_4 recent views
Department of the Interior —
This 30-meter data set represents land use and land cover for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for sandstone and carbonate rocks (gwava-dw_sscb) recent views
Department of the Interior —
This data set represents the presence or absence of sandstone and carbonate rock aquifers in the conterminous United States. The data set was used as an input data... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for orchards/vineyards (gwava-dw_orvi) recent views
Department of the Interior —
This data set represents the percent of orchards/vineyards land cover in the conterminous United States. The data set was used as an input data layer for a national... -
Federal
Red Alder Basal Area, by Stream Reach, for the Pacific Northwest recent views
Department of the Interior —
Red alder (Alnus rubra) are a common component of forests in Western Oregon and Washington. This file provides an estimate of red alder basal area in western Oregon... -
Federal
Potential range land for grazing cattle in the United States Pacific Northwest summarized for NHDPlus v2 catchments recent views
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the area of land within each incremental watershed delineated in the NHDPlus v2... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: 30-Year Average Annual Precipitation, 1971-2000 recent views
Department of the Interior —
This tabular data set represents the 30-year (1971-2000) catchment-average total annual precipitation in millimeters multiplied by 100 compiled for every MRB_E2RF1... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) in the Conterminous United States: Bedrock Geology recent views
Department of the Interior —
This data set represents the area of bedrock geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Mean Infiltration-Excess Overland Flow, 2002 recent views
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
1997 County Pesticide Use Estimates for 220 Compounds recent views
Department of the Interior —
This dataset includes information for 220 pesticides on the average amount (pounds) applied to 87 agricultural crops and the acres of crops treated for counties... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Average Daily Maximum Temperature, 2002 recent views
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
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for irrigation tailwater recovery (gwava-dw_twre) recent views
Department of the Interior —
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Base-Flow Index, 2002 recent views
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
Nutrient generation at dairies and feedlots in the United States Pacific Northwest for 2002 recent views
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: NLCD 2001 Tree Canopy recent views
Department of the Interior —
This tabular data set represents the mean percent tree canopy from the Canopy Layer of the National Land Cover Dataset 2001 (LaMotte and Wieczorek, 2010), compiled... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: STATSGO Soil Characteristics, Soil Salinity recent views
Department of the Interior —
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...
344 datasets found