346 datasets found
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Federal
Traces of geologic and hydrogeologic cross sections used to develop the hydrogeologic framework model of the Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital dataset defines the traces of geologic and hydrogeologic cross sections that were used in the construction of a digital three-dimensional (3D)... -
Federal
Locations, values, and uncertainties of hydraulic-head observations for the steady-state, prepumped period of the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital geospatial data set contains the locations, values, and uncertainties of 700 hydraulic-head observations used in the steady-state, prepumped period of... -
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) -- Model output data set (gwava-dw_out)
Department of the Interior —
This data set represents predicted nitrate concentration in ground water used for drinking, in milligrams per liter, in the conterminous United States, and was... -
Federal
Locations, values, and uncertainties of hydraulic-head observations for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital geospatial data set contains the locations, values, and uncertainties of hydraulic-head observations used in the calibration of the transient model of... -
Federal
Digital data set describing ground-water regions with unconsolidated watercourses in the conterminous US
Department of the Interior —
This data set describes ground-water regions in the United States defined by the U.S. Geological Survey. These ground-water regions are useful for dividing the United... -
Federal
Net infiltration of the Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
Recharge in the Death Valley regional ground-water flow system (DVRFS) was estimated from net infiltration simulated by Hevesi and others (2003) using a deterministic... -
Federal
Digital map of the elevation of the base of the High Plains Aquifer in the Republican River Basin upstream of Hardy, Nebraska, in parts of Nebraska, Kansas, and Colorado
Department of the Interior —
This digital spatial data set consists of the aquifer base elevation contours (50-foot contour interval) for part of the High Plains aquifer in the central United... -
Federal
Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-central Oklahoma
Department of the Interior —
This data set consists of digital aquifer boundaries for the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-... -
Federal
Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in central Oklahoma
Department of the Interior —
This data set consists of digital aquifer boundaries for the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in... -
Federal
Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma
Department of the Interior —
This data set consists of digital hydraulic conductivity values for the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to... -
Federal
Reference wells for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital geospatial data set is a compilation of reference points representing wells deeper than 300 meters in Nevada that were used for the regional ground-water... -
Federal
Processed Continuous Resistivity Point Data from Cape Cod National Seashore, May 17-20, 2004
Department of the Interior —
Continuous resistivity profiling (CRP) surveys were conducted at Cape Cod National Seashore in 2004 and 2006 in order to test hypotheses about groundwater flow under... -
Federal
Thicknesses of hydrogeologic units used in the hydrogeologic framework and transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
A digital three-dimensional hydrogeologic framework model (HFM) represents the geometry and extent of hydrogeologic units (HGUs) and major structures in the Death... -
Federal
Simulated constant-head boundary for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital data set represents the constant head-boundary used to simulate ground-water inflow or outflow at the lateral boundary of the Death Valley regional... -
Federal
Geospatial database of ground-water altitude and depth-to-ground-water data for Utah, 1971-2000
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Utah Department of Environmental Quality has developed a geographic database of selected ground-water-level... -
Federal
Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma
Department of the Interior —
This data set consists of digital polygons of constant recharge rates for the High Plains aquifer in Oklahoma. This area encompasses the panhandle counties of... -
Federal
Raster dataset showing the probability of elevated concentrations of nitrate in ground water in Colorado, hydrogeomorphic regions not included and fertilizer use estimates included.
Department of the Interior —
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a... -
Federal
Faults of the Lake Tahoe Basin
Department of the Interior —
These data present a ground-water inventory of existing geospatial data and other information needed to determine the extent and characteristics of the aquifers in... -
Federal
Pumpage for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital data set represents ground-water discharged from the Death Valley regional ground-water flow system (DVRFS) through pumped wells. Pumping from wells in... -
Federal
Data used to map water-level changes in the High Plains aquifer, predevelopment (about 1950) to 2015 and 2013 to 2015
Department of the Interior —
This USGS data release consists of two geospatial raster datasets and three geospatial vector data sets of water-level data. The data sets include a raster (A1)...
346 datasets found