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Ionospheric currents induced by Dst field and their effects on the geomagnetic field variation

Ionospheric currents induced by Dst field were simulated, and their effects on the geomagnetic field variation was estimate. It was found that a vortex current system is induced in the dayside ionosphere for the variation of less than 10 minutes because of the lower nighttime conductivity, and causes geomagnetic field variation in the Y-component.

This session provides an opportunity to present recent results from satellite and ground-based observations and theoretical and simulation studies on the magneotphere, ionosphere, and their coupling including the aurora phenomena, the magnetosphere-ionosphere coupling and magnetic storms/substorms. Discussions on planetary and satellite ionosphere and magnetospheres, future missions and instrument developments are also welcome.

Japan Geoscience Union Meeting 2015

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[PEM28-P05]Ionospheric currents induced by Dst field and their effects on the geomagnetic field variation

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