Theoretical resistivity sounding results over a transition layer model

Sri Niwas, ; Upadhyay, S. K. (1974) Theoretical resistivity sounding results over a transition layer model Geophysical Prospecting, 22 (2). pp. 279-296. ISSN 0016-8025

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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1365-...

Related URL: http://dx.doi.org/10.1111/j.1365-2478.1974.tb00086.x

Abstract

An earth model with a transition layer (anisotropic inhomogeneous) is considered. The inhomogeneity in σv (vertical conductivity) of the transition layer is represented by a power law variation. Expressions for potential distribution in the upper layer, transition layer and bottom layer are obtained by solving appropriate differential equation for each layer. By utilizing the boundary conditions, expressions of apparent resistivity for Wenner and Schlumberger configurations are derived. Numerical analysis is performed for linear and quadratic variation of σv. The results are presented in the form of theoretical apparent resistivity curves for both configurations. Negative apparent resistivities are the interesting feature of this analysis.

Item Type:Article
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