-
Digital data sets that describe aquifer characteristics of the Vamoosa-Ada aquifer in east-central Oklahoma 미국
This data set consists of digitized polygons of constant hydraulic conductivity values for the Vamoosa-Ada aquifer in east-central Oklahoma. The Vamoosa-Ada aquifer is an important source... -
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 confined manure (gwava-dw conf) 미국
This data set represents the average annual nitrogen input from confined animal manure, 1992 and 1997, in kilograms per hectare, in the conterminous United States. The data set was used... -
Anza-Terwilliger hydrogeologic structures in Riverside County, California 미국
This digital geospatial dataset documents the fault traces in the Anza and Terwilliger area of southwest Riverside County, California, that were modified from Moyle (1971) by Woolfenden... -
Reference wells for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California 미국
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 potential map by... -
Horizontal flow barriers for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California 미국
This digital dataset defines the surface traces of regional features simulated as horizontal flow barriers in the Death Valley regional ground-water flow system (DVRFS) transient flow... -
DS-777 Average Annual Precipitation Data, 2000 to 2009, in inches estimated from an Inverse-Distance-Weighted (IDW) interpolation, for the High Plains Aquifer in Parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming 미국
The water-budget-components geodatabase contains selected data from maps in the, "Selected Approaches to Estimate Water-Budget Components of the High Plains, 1940 through 1949 and 2000... -
Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma 미국
This data set consists of digitized water-level elevation contours for the High Plains aquifer in western Oklahoma. This area encompasses the panhandle counties of Cimarron, Texas, and... -
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 미국
This data set consists of digital water-level elevation contours for the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-central... -
Boundary of the Death Valley region by Bedinger and others (1989), for the Death Valley regional ground-water flow system study, Nevada and California 미국
This digital data set delineates the boundary of the Death Valley region that was first evaluated by the U.S. Geological Survey (USGS) as a potential hydrogeologic environment for... -
Depth to ground water of Nevada 미국
This is a raster-based, depth to ground-water data set for the State of Nevada. The source of this data set is a statewide water-table contour data set constructed from water-table... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for orchards/vineyards (gwava-s orvi) 미국
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 model to predict... -
Spring point coverage for the potentiometric coverages for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood Aquifers in the Black Hills Area, South Dakota 미국
This dataset describes springs in the Black Hills area that were used to create potentiometric surface maps for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood aquifers. -
Model grid and infiltration values for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California 미국
This digital data set defines the model grid and infiltration values simulated in the transient ground-water flow model of the Death Valley regional ground-water flow system (DVRFS), an... -
Probability of nitrate contamination of recently recharged ground waters in the conterminous United States 미국
This data set is a national map of predicted probability of nitrate contamination of shallow ground waters based on a logistic regression (LR) model. The LR model was used to predict the... -
Hydrogeology of the Lake Tahoe Basin Study Area Boundary 미국
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 the Tahoe Basin.... -
False-color composite of Landsat data for the Death Valley regional ground-water flow system project, Nevada and California 미국
The false-color composite image of the Death Valley regional ground-water flow system (DVRFS), an approximately 100,000 square-kilometer region of southern Nevada and California, was... -
Net infiltration of the Death Valley regional ground-water flow system, Nevada and California 미국
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 mass-balance method.... -
Boundary of the area contributing flow to the Death Valley regional ground-water flow system, Nevada and California 미국
This digital data set defines the boundary of the area contributing ground-water flow to the Death Valley regional ground-water flow-system (DVRFS) model domain. The boundary encompasses... -
Digital Map Of Base of Aquifer for High Plains Aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming 미국
This data set consists of digital base of aquifer elevation contours for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees to... -
Reference springs in Nevada for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California 미국
This digital geospatial data set is a compilation of reference points representing springs in Nevada that were used for the regional ground-water potential map by Bedinger and Harrill...