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All News and Pages Related to "electrical resistivity imaging"

Geophysics

Posted on April 30th, 2014

The Iowa Geological Survey (IGS) incorporates electrical geophysics into a host of geologic and hydrogeologic research projects.  Geophysical surveys provide a continuous model of the shallow subsurface, complementing traditional point data. Subsurface materials can be characterized by their ability to conduct or resist electrical current.  Physical and chemical properties such as grain size, moisture content, mineralogy, and […]