EM Response of an Arbitrary Source on a Layered Earth, A New Computational Approach

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JLajoieJAlfonsoRocheAndG FWest.pdf (2.15 MB)

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1972-11

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Abstract

The Fast Fourier transform is used to compute the EM Induction response in a layered earth by an arbitrary grounded or ungrounded source (e.g. dipole, Turam looo, grounded wire). The induction problem is expressed in the horizontal wavenumber domain, the 2-D Fourier transform of the x-y plane, where a source term and an earth transfer function may be considered separately. This new procedure results in a significant reduction in computation time and flexible straightforward programming. Several examples are described to demonstrate the advantages and limitations of the method.

Description

This paper was presented at the 42nd Annual Meeting of the Society of Exploration Geophysicists in Anaheim, California on November 28, 1972. (Mining Session, paper M-12). This paper appeared in Research in Applied Geophysics, No. 5, Geophysics Laboratory, University of Toronto, Canada.

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Geophysics, Research in Applied Geophysics

Citation

Lajoie, J., Alfonso-Roche, J. and G.F. West. (1972) EM Response of an Arbitrary Source on a Layered Earth, A New Computational Approach. Research in Applied Geophysics, No. 5, Geophysics Laboratory, University of Toronto, Canada.

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http://hdl.handle.net/1807/71933

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