Supporting ground water resource investigations, environmental site characterizations,
and delineation of other subsurface features
ERS personnel bring significant knowledge and experience in the use of geophysical techniques for subsurface site characterization. These techniques are based on mapping lateral and vertical variations in physical properties to interpret geology, structure, ground water, contamination, and human artifacts beneath the Earth’s surface.
Examples of the geophysical techniques employed by ERS include measurement and interpretation of variations in electric, electromagnetic, seismic, or gravity properties. These technologies have been traditionally used for prospecting of economic materials such as ores and petroleum, but the methods are relevant for a wide array of environmental, hydrological, geotechnical and engineering projects, including: