2,241 datasets found for "Aquifers"
-
Federal
Surface-water-altitude data, from streamgages, considered for the potentiometric-surface map, Mississippi River Valley alluvial aquifer, spring 2018
Department of the Interior —
This dataset contains surface-water-altitude (SWA) data from streamgages that was used or considered to create a potentiometric-surface map for the Mississippi River... -
Federal
Lower Claiborne Confining Unit: Alabama, Arkansas, Louisiana, Mississippi 2006-2008
Department of the Interior —
Digital hydrogeologic surface of the Lower Claiborne Confining Unit in Alabama, Arkansas, Louisiana, Mississippi. The hydrogeologic unit dataset contains 414 rows and... -
Federal
Dikes 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
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 irrigation tailwater recovery (gwava-s_twre)
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
Magnetotelluric data, Southern San Luis Valley, Colorado, 2006: Station 19
Department of the Interior —
This dataset includes the magnetotelluric (MT) sounding data collected in 2006 in the Southern San Luis Valley, Colorado. The U.S. Geological Survey conducted a... -
Federal
Transient electromagnetic (TEM) sounding data; San Luis Valley, Colorado, 2011
Department of the Interior —
Transient electromagnetic (TEM) soundings were made in the San Luis Valley, Colorado, to map the location of a blue clay unit as well as to investigate the presence... -
Federal
Base of aquifer contours for the Northern High Plains aquifer
Department of the Interior —
Several pre-existing datasets that characterize portions of the Northern High Plains aquifer base were merged together in order to define the entire base of the... -
Federal
Southern boundary of the glacial aquifer system in the Williston structural basin
Department of the Interior —
This feature class represents the southern extent of glacial deposits in the Williston Structural basin. -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Points for the thickness of the MAPCU
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
GIS files required to run the Groundwater Nitrate Decision Support Tool for Wisconsin
Department of the Interior —
A Groundwater Nitrate Decision Support Tool (GW-NDST) for wells in Wisconsin was developed to assist resource managers with assessing how legacy and possible future... -
Federal
MODFLOW-2000 model used to evaluate alternative withdrawal strategies on groundwater flow in the unconfined Kirkwood-Cohansey aquifer system, the Rio Grande water-bearing zone, and the Atlantic City 800-foot sand in the Great Egg Harbor and Mullica River Basins, New Jersey
Department of the Interior —
A three-dimensional groundwater-flow model (MODFLOW-2000 ) of the Kirkwood-Cohansey aquifer system, Rio Grande water-bearing zone, and Atlantic City 800-foot sand in... -
Federal
Combined PDF of acquisition logs maintained on U.S. Geological Survey Field Activity 2009-021-FA in Greenwich Bay, Rhode Island, May 14-15, 2009
Department of the Interior —
As part of a larger investigation to understand groundwater-surface water interactions in Greenwich Bay, Rhode Island, a geophysical survey was conducted from a small... -
Federal
Transect 4 time-domain electromagnetic soundings to delineate saline groundwater in the Genesee valley-fill aquifer system, New York (2016-2017)
Department of the Interior —
This folder contains the raw and processed TEM data and inverted soundings showing resistivity (in ohm-m) with depth for all survey sites that were part of transect... -
Federal
Magnetotelluric data, Southern San Luis Valley, Colorado, 2006: Station 10
Department of the Interior —
This dataset includes the magnetotelluric (MT) sounding data collected in 2006 in the Southern San Luis Valley, Colorado. The U.S. Geological Survey conducted a... -
Federal
Salinas and Carmel Rivers Basin Study (SCRBS): Future Climate Central Tendency (CT) Scenario
Department of the Interior —
This digital dataset contains the Central Tendency (CT) climate scenario data used for the Salinas and Carmel Rivers Basin Study (SCRBS). The Central Tendency (CT)... -
Federal
RES2DINV format continuous resistivity profiling data collected in Greenwich Bay, Rhode Island, May 14 and 15, 2009, on U.S. Geological Survey Field Activity 2009-021-FA
Department of the Interior —
As part of a larger investigation to understand groundwater-surface water interactions in Greenwich Bay, Rhode Island, a geophysical survey was conducted from a small... -
Federal
Point Locations of 849 Continuous Record Streamflow Gages Used to Estmate Annual and Average Values of Water-Budget Components Based on Hydrograph Separation and PRISM Precipitation in the Appalachian Plateaus Region, 1900-2011
Department of the Interior —
As part of the U.S. Geological Survey’s Groundwater Resources Program study of the Appalachian Plateaus aquifers, estimates of annual water-budget components were... -
Federal
Digital map of the elevation of base of the upper layer of the phase-three Elkhorn-Loup Model, north-central Nebraska
Department of the Interior —
In 2006, a cooperative study was established to compile reliable data describing groundwater and surface-water interactions in the Elkhorn and Loup River Basins. The... -
Federal
DS-777 Spatial Location of Wells with Water-Level Measurements taken in the Spring and Fall from September 1940 to April 2009 for the Northern High Plains Groundwater-Flow Model in Parts of Colorado, Kansas, Nebraska, South Dakota, and Wyoming
Department of the Interior —
This data set is one of many developed in support of The High Plains Groundwater Availability Project and the U.S. Geological Survey Data Series Report: Geodatabase... -
Federal
MODFLOW-2005 and MODPATH6 models used to simulate groundwater flow and transport and base-flow age in two tributaries to the Upper Chester River, Maryland
Department of the Interior —
A steady state three-dimensional groundwater flow (MODFLOW-2005) and advective transport (MODPATH6) model was developed to examine subsurface travel times to wells...
2,241 datasets found for "Aquifers"