1887
Volume 15 Number 4
  • E-ISSN: 1365-2478

Abstract

ABSTRACT

The electromagnetic field radiated from a magnetic dipole lying on the ground is considered, in the extremely low frequency range (DC to 20 000 Hertz).

Theoretical and experimental data are given on the characteristics of the surface wave (vanishing wave) generated at the air‐ground interface, in the case of an homogeneous subsurface.

The case of a subsurface with electrical resistivity varying with depth is considered.

It is shown how the above‐mentioned characteristics may be applied in the quantitative investigation of the electrical resistivity of the subsurface as a function of depth, in a method using the measurements on the ground of all the components of the radiated field: horizontal electrical components, vertical and horizontal magnetic components.

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2006-04-27
2024-04-24
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References

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  • Article Type: Research Article

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