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Baseflow is the portion of streamflow derived from groundwater flow. It is an important component of the groundwater budget, and can be estimated using known total streamflow at given points...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 09, 2026 at 11:56 PM -
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 09, 2026 at 11:14 PM -
Baseflow is the portion of streamflow derived from groundwater flow. It is an important component of the groundwater budget, and can be estimated using known total streamflow at given points...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 10:11 PM -
This data release includes a polygon shapefile of grid cells attributed with values representing the simulated base-flow, evapotranspiration, and groundwater-storage depletions as a percentage of...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: June 09, 2026 at 10:57 PM -
This data release includes a polygon shapefile of grid cells attributed with values representing the simulated base-flow, evapotranspiration, and groundwater-storage depletions as a percentage of...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:47 PM -
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: June 09, 2026 at 11:26 PM -
This data set represents the extent of the alluvial and glacial aquifers north of the southern-most line of glaciation. Aquifers are shown in the States of Maine, Vermont, New Hampshire,...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 07:46 PM -
The LiDAR Digital Elevation Model (DEM) and LiDAR Point Cloud of the Wild Gardens of Acadia is an elevation data product produced and distributed by the National Park Service, Acadia National Park.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 08, 2026 at 10:07 PM -
This data release contains shapefiles of hydrogeologic regions of the conterminous United States. The United States Geological Survey (USGS) is developing a National Extent Hydrogeologic...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:39 PM
