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Effect of anisotropy of the earth on the impedance measurements
Authors:Janardan G Negi  Padmakar D Saraf
Institution:(1) Theoretical Geophysics Division, National Geophysical Research Institute, Hyderabad-7, (A.P.), India
Abstract:Summary Electromagnetic field response of a homogeneous uniaxially anisotropic conducting medium has been investigated in the presence of a vertical electric dipole placed at a heighth above the conducting surface. Expressions for the horizontal components of electric and magnetic fields and hence that of vertical impedance of the field, as a function of the distance of the place of observation from the source, have been derived. Numerical computations have been done and curves are given to illustrate the influence of anisotropy on the amplitude values of the impedance on the surface of the conducting medium.N.G.R.I. Contribution number 71–279.
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