Abstract
This session was organized by the Interdivisional Working Group on the Relations between the External and Internal Magnetic Variations. Its purpose was to consider the geomagnetic induction problems associated with coastal current channeling effects and with stationary and moving ionospheric current sources whose fields at the earth's surface cannot be modeled properly by plane wave approximations. In past years, induction studies of crustal conductivity properties have largely neglected the effects of irregular current source characteristics. At high latitudes the research efforts in solar terrestrial physics properties seem to have neglected the consideration of geomagnetic data adjustments for induction effects.
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