1,031 datasets found
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Federal
Cache Historical Calibration Period Groundwater-Flow Model
Department of the Interior —
The Mississippi Alluvial Plain (MAP) is one of the most important agricultural regions in the United States and underlies about 32,000 square miles of Missouri,... -
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
Quality Control and Soil Quality Data in support of Baseline Environmental Monitoring at the Ammonium Perchlorate Rocket Motor Destruction (ARMD) Facility at the Letterkenny Army Depot, Chambersburg, Pennsylvania, 2016
Department of the Interior —
From September to December, 2016, herein referred to as the baseline characterization period, monthly samples were collected from four groundwater wells, one surface-... -
Federal
Digital surfaces and site data of well-screen top and bottom altitudes defining the irrigation production zone of the Mississippi River Valley alluvial aquifer within the Mississippi Alluvial Plain project region
Department of the Interior —
Site data contained in the ScrIntrvls_AllSrcRefs_AllWellsRev.csv dataset define the top and bottom altitudes of well screens in 64,763 irrigation wells completed in... -
Federal
Flow system boundary by D'Agnese and others (1997) for the Death Valley regional ground-water flow system study, Nevada and California
Department of the Interior —
This digital data set defines the flow-system boundary encompassing the regional ground-water flow model by D'Agnese and others (1997). The boundary encompasses an... -
Federal
Hydrologic and geophysical data from high-elevation boreholes in Redwell Basin near Crested Butte, Colorado: Borehole geophysical data
Department of the Interior —
Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by mineralized and hydrothermally altered sedimentary rock in the Elk... -
Federal
Assessing spatial variability of nutrients, phytoplankton, and related water quality constituents in the California Sacramento-San Joaquin Delta during treated wastewater effluent holds: August and September 2019 high resolution mapping surveys
Department of the Interior —
The study is comprised of daily survey data consisting of high resolution mapping and discrete sample collection of nutrients, phytoplankton, and related water... -
Federal
Temperature and geophysical data collected along the Quashnet River, Mashpee/Falmouth MA (ver. 2.0, March 2020)
Department of the Interior —
The temperature and surface geophysical data contained in this release have primarily been collected to support groundwater/surface water methods development, and to... -
Federal
Hydrogeologic Framework of the Treasure Valley and Surrounding Area, Idaho and Oregon; Hydrogeologic Framework Model Animation
Department of the Interior —
A three-dimensional hydrogeologic framework model (3D HFM) of the westernmost western Snake River Plain (WSRP) aquifer system was prepared to represent the subsurface... -
Federal
Reference springs in California 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 springs in California that were used for the regional ground-water potential map by... -
Federal
Simulated potentiometric surface contours at end of simulation (1998) in model layer 16 of the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
These contours represent the simulated potentiometric surface at the end of simulation (1998) in model layer 16 of the Death Valley regional ground-water flow system... -
Federal
Magnetotelluric sounding data, station 42, San Luis Valley, Colorado, 2007
Department of the Interior —
This dataset includes the magnetotelluric (MT) sounding data collected in 2007 in and near the San Luis Valley, Colorado. The U.S. Geological Survey conducted a... -
Federal
Extents for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System
Department of the Interior —
A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological... -
Federal
Floating transient electromagnetic (FloaTEM) surveys in the Tallahatchie River near Shellmound, Mississippi
Department of the Interior —
Floating transient electromagnetic (FloaTEM) data were acquired on the Tallahatchie River during October 2018. During the survey, approximately 18.3 line-kilometers... -
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 -- Raster surface depicting the glauconite marker horizon
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... -
State
i08 GroundwaterLevelChangeSeasonal Points
State of California —
This dataset depicts change in groundwater level at selected monitoring locations (wells) between two specified years, by season. Change values represent change in... -
Federal
Ozark Plateaus seepage point dataset, southern Missouri and northern Arkansas, 1982-2006
Department of the Interior —
This dataset was compiled to summarize discharge measurements from several published groundwater and surface-water studies in the Ozarks of southern Missouri and... -
Federal
AEM processed survey data, Shellmound, Mississippi, March 2018
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired in late February to early March 2018 along 2,364 line-kilometers in the Shellmound,... -
Federal
Altitudes of the top of model layers 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 defines the altitudes of the tops of 16 model layers simulated in the Death Valley regional ground-water flow system (DVRFS) transient flow... -
Federal
Lidar-derived closed depression vector and density raster in karst areas of the Winchester 30 x 60-minute quadrangle
Department of the Interior —
The Winchester 30 x 60 minute quadrangle, covering northern Virginia, West Virginia, and Maryland, hosts karsts within carbonate units of Devonian to Cambrian age....
1,031 datasets found