Development and Testing of New Square-Array Resistivity Sounding Method

As part of OGW BG geophysical site characterization research through the USGS Toxic Substances Hydrology Program in 2000-2001, modified square-array resistivity sounding experiments were conducted at the Mirror Lake fractured rock research site in Hubbard Brook Experimental Forest, New Hampshire.

A newly developed azimuthal resisitivity sounding method was tested at the Mirror Lake fractured-rock field site. The new array should make it possible to discriminate between azimuthal resisitivity changes induced by steeply dipping sets of fractures and resistivity changes induced by a dipping bedrock surface or lateral resistivity changes.

View the online photo gallery from this project.

Support & Collaboration

This research was conducted through the USGS Toxic Substances Hydrology Program by John W. Lane, Jr. (USGS, OGW Branch of Geophysics) and Fred Day-Lewis (Bucknell University) with assistance from OGW BG staff.

For more information:

For more information on this project, please contact John W. Lane, Jr. (Chief, USGS OGW Branch of Geophysics) or Frederick Day-Lewis (Hydrologist, USGS OGW Branch of Geophysics), or call the Branch of Geophysics at (860)487-7402.

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