NDLI: Influence of a magnetically permeable surface layer on transient electromagnetic field of a vertical magnetic dipole on a two-layer conducting earth

Content Provider	IEEE Xplore Digital Library
Author	Sami, G.M.
Copyright Year	2003
Description	Author affiliation: Dept. of Math., Ain Shams Univ., Cairo, Egypt (Sami, G.M.)
Abstract	The transient electromagnetic field, in the frequency domain, on a two-layered conducting earth is reexamined when the usually neglected magnetic permeability contrast is considered. It is shown that for two-layered earth model, where the upper is permeable, the electromagnetic induction response is modified over the nonpermeable case. It is obtained as a summation of waveguide modes plus contributions from branch-cuts in the complex - plane of the longitudinal wave - number. The results from this paper can be used to evaluate numerical solution of other more complicated forward modeling algorithms. It can also be used in developing fast and simple interpretation tools, which can deliver quick estimation of the earth structure at the field.
Sponsorship	Chinese Inst. of Electron. IEEE Beijing Section IEE Beijing Branch China Committee for URSI
Starting Page	809
Ending Page	814
File Size	328066
Page Count	6
File Format	PDF
ISBN	0780378318
DOI	10.1109/ISAPE.2003.1276810
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic transients Electromagnetic fields Earth Magnetic domains Frequency domain analysis Permeability Electromagnetic modeling Electromagnetic induction Electromagnetic waveguides Planar waveguides
Content Type	Text
Resource Type	Article

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