Subsurface electromagnetic parameters in terms of the distribution of current

L. Szarka, G. Fischer

Research output: Article

1 Citation (Scopus)

Abstract

Electric and magnetic fields below the horizontal surface of a conducting structure have been derived in terms of the subsurface currents. The formulae obtained are valid for any subsurface electromagnetic problem, e.g. for sea-bottom magnetotellurics or mining electromagnetics. The simplifications of these general three-dimensional formulae to one-dimensional and to the basic two-dimensional situations yield a clear physical meaning to the depth-dependence of the impedance and consequently to the apparent resistivity and the phase. -from Authors

Original languageEnglish
Pages (from-to)25-38
Number of pages14
JournalGeophysical Transactions
Volume37
Issue number1
Publication statusPublished - jan. 1 1992

ASJC Scopus subject areas

  • Geophysics

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