Determination of one dimensional earth resistivity profile in multilayer soil

Abstract

Main intention of Geophysical resistrvity surveying is to interpret the subsurface conditions for engineering applications. The earth exhibits a far from uniform structure and therefore the surface resistivity varies from location to location as well as on seasonal basis. Often, the structure will have resistivity layers related to the physical layers such as topsoil, sub-soil, and bedrock. Clearly these layers or divisions in soil structure will have a considerable impact on both soil resistivity and earth resistance/impedance. This anisotropy found in platy structures will result in an apparent resistivity which with wide variations.