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Geophysical Data for Warren County, Virginia--Surface Geophysics

 
Location map for S.F. Shenandoah R. GEM-2 survey

S.F. Shenandoah R. GEM-2 Pseudosection

Location Map

GEM-2 Pseudosection

 

A multi-frequency domain electromagnetic (EM) conductivity survey was conducted along the South Fork Shenandoah River by towing a GEM-2 (photo inset) behind a canoe. Nearly 3,000 meters downstream of the USGS gaging station 01631000 GEM-2 equipment(blue triangle on location map) on the South Fork was surveyed in less than two hours. The depth of penetration of the survey was approximately 20 meters. The hotter colors on the GEM-2 pseudosection (above right) may indicate where ground water occurs at and/or below the streambed. Discrete areas of ground-discharge to streams in the Shenandoah Valley are common.
   
 

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Go to Warren Co. borehole logging data Warren County Borehole Logging data
Go To Warren Co. Geophysical data Warren County Geophysical data
Additional information on geophysical techniques used in hydrologic investigations is available at the U.S. Geological Survey, Office of Ground Water, Branch of Geophysics (http://water.usgs.gov/ogw/bgas/))

Current Water Conditions for Warren Co.

Shaded relief map of Warren County, Va.The USGS and Virginia Department of Environmental Quality provide current ("real-time") stream stage and streamflow, water-quality, and ground-water levels for 8 sites in Warren County, Va.

Current Water Conditions for the Shenandoah Valley

Shaded relief map of the Shenandoah Valley of Virginia and West VirginiaThe USGS and Virginia Department of Environmental Quality provide current ("real-time") stream stage and streamflow, water-quality, and ground-water levels for 35 sites in the Shenandoah Valley of Virginia and West Virginia.

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Page Last Modified: 18-Aug-2008 11:00:00 EDT