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A new approach to gradient geomagnetic sounding |
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| Authors: | V. Yu. Semenov J. Vozar V. N. Shuman |
| Affiliation: | (1) Institute of Geophysics, Polish Academy of Sciences, Warsaw, Poland;(2) Geophysical Institute, Slovak Academy of Sciences, Bratislava, Slovakia;(3) Subbotin Institute of Geophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine |
| Abstract: | A spherical model of the Earth including a heterogeneous upper mantle and excited by the magnetic field of a magnetospheric ring current is constructed. The obtained synthetic data are used for testing a new approach to gradient geomagnetic sounding ensuring the immunity of the sought impedance to distortions caused by lateral heterogeneity of the Earth. It is shown that this approach significantly increases the informativeness of deep electromagnetic sounding. |
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