Influence of seasonal variation of neutral winds on the coupling between North and South Hemispheres in a realistic Earth main field |
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| Authors: | YaFen Yang ChuXin Chen |
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| Institution: | YANG YaFen & CHEN ChuXin School of Earth , Space Sciences,University of Science , Technology of China,Hefei 230026,China |
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| Abstract: | The neutral wind dynamo contributes significantly to the ionospheric electrodynamics, and the variation of the neutral winds thus affects the ionosphere. Here we study the effects of the seasonal variation of the winds in a realistic Earth main field. The two-dimensional ionospheric dynamo equation is expressed in the framework of a revision of the International Geomagnetic Reference Field (IGRF) under the assumptions of equipotential field lines and conservation of current. A revision of IGRF and typical u... |
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| Keywords: | neutral winds seasonal variation shell currents Birkeland currents coupling realistic Earth main field |
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