Anomalous vertical magnetic field for electromagnetic induction in a laterally varying thin conductive sheet | Zendy

Hill David A. | Zendy; Wait James R. | Zendy

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Anomalous vertical magnetic field for electromagnetic induction in a laterally varying thin conductive sheet

Author(s) -

Hill David A.,

Wait James R.

Publication year - 1986

Publication title -

radio science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.371

H-Index - 84

eISSN - 1944-799X

pISSN - 0048-6604

DOI - 10.1029/rs021i004p00617

Subject(s) - electromagnetic induction , magnetic field , electrical conductor , electromagnetic field , conductivity , field (mathematics) , horizontal and vertical , condensed matter physics , materials science , geophysics , geology , physics , geodesy , composite material , mathematics , quantum mechanics , pure mathematics , electromagnetic coil

We employ a simple model to show how the natural electromagnetic field on the surface of the earth, which has a strong horizontal magnetic field component, can be converted to a significant vertical magnetic field at the surface. Such a conversion mechanism will be caused by lateral variations of the subsurface conductivity structure. Our idealized model is a thin conducting sheet with a periodic variation of the conductivity‐thickness product in one horizontal direction only.

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