The electromagnetic response of a heterogeneous layer modeled by two thin sheets in a uniformly conducting half-space

Author

Robertson, R. Clark

Author_Institution

Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA

Volume

26

Issue

1

fYear

1988

fDate

1/1/1988 12:00:00 AM

Firstpage

2

Lastpage

10

Abstract

Limitations of the thin-sheet method introduced by Price (1949) are pointed out. It is shown that the variety of structures that can be modeled with the thin-sheet technique can be increased by modeling a heterogeneous layer with two thin sheets. One sheet is located on the surface and represents the upper portion of the thickness of the anomalous region, and the second sheet is embedded in the Earth and represents the lower portion of the thickness of the anomalous region. Numerical results are obtained for a representative model using both one and two thin sheets, and the results are compared. Numerical results are obtained for a representative model for both the exact and the approximate dual-thin-sheet model

Keywords

electromagnetic fields; geomagnetism; geophysical prospecting; terrestrial electricity; EM response; anomalous region; approximate dual-thin-sheet model; heterogeneous layer; thin-sheet method; uniformly conducting half-space; Conductivity; Earth; Electromagnetic fields; Electromagnetic measurements; Electromagnetic modeling; Frequency; Helium; Impedance; Magnetic field measurement; Tensile stress;

fLanguage

English

Journal_Title

Geoscience and Remote Sensing, IEEE Transactions on

Publisher

ieee

ISSN

0196-2892

Type

jour

DOI

10.1109/36.2993

Filename

2993