1887
Volume 44 Number 6
  • E-ISSN: 1365-2478

Abstract

Abstract

A correspondence principle is derived that relates the Green's functions (point‐receiver responses to point‐source excitations) for 2D transient diffusive electro‐magnetic fields with electric field in the vertical plane to 2D seismic waves (in the acoustic approximation) with particle velocity in the vertical plane in arbitrarily inhomogeneous media. The constituent medium parameters in the two cases are related via two global proportionality constants. The kernels in the integral operators that express the diffusion phenomenon in terms of the wave phenomenon are of a smoothing nature. The fact that they are explicitly known can be of importance to the inverse operation. The correspondence principle is the fundamental tool in comparing the spatial resolving powers in the two methods of geophysical prospecting.

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2006-04-28
2024-04-25
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  • Article Type: Research Article

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