A thin sheet numerical study of the electromagnetic field over geometrically complex high conductivity structures: depth and lateral characteristics of different apparent resistivity definitions

L. Szarka, A. Ádám, M. Menvielle, P. Tarits

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Abstract

In this paper, belonging to a series of papers dealing with thin sheet studies of the electromagnetic field over geometrically complex models, a systematic study about different apparent resistivity definitions in 1-D and 3-D environments at the surface and in the depth is given. Large and meaningful differences between the apparent resistivity definitions determined at different depth levels were found, while the lateral characteristics of these resistivity definitions were found to be more or less the same. The conventional Cagniard apparent resistivities seem to be in general acceptable, but in some special studies the use of ρReZ might give better results. -Authors

Original languageEnglish
Pages (from-to)107-124
Number of pages18
JournalActa Geodaetica et Geophysica Hungarica
Volume29
Issue number1-2
Publication statusPublished - 1994

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electromagnetic field
Electromagnetic fields
electrical resistivity
electromagnetic fields
conductivity

ASJC Scopus subject areas

  • Geology
  • Building and Construction

Cite this

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AU - Tarits, P.

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AB - In this paper, belonging to a series of papers dealing with thin sheet studies of the electromagnetic field over geometrically complex models, a systematic study about different apparent resistivity definitions in 1-D and 3-D environments at the surface and in the depth is given. Large and meaningful differences between the apparent resistivity definitions determined at different depth levels were found, while the lateral characteristics of these resistivity definitions were found to be more or less the same. The conventional Cagniard apparent resistivities seem to be in general acceptable, but in some special studies the use of ρReZ might give better results. -Authors

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