Geophysical Journal | 2009 volume 31 4

A new approach in the studies of marine geo-electrics

© M.I. Epov, E.P. Shurina, A.V. Marinenko

Water salinity at shallow sea depths in shelf areas changes with depth, which causes respective conductivity changes. We discuss algorithms for computing monochromatic electric fields using the vector finite-element method with different realizations of depth dependence of conductivity. The algorithms have been applied to compute vertical conductivity patterns and to explore its influence on the electric field measured on the surface.

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