Contribution to geomagneticSq-field and equatorial electrojet from the day/night asymmetry of ionospheric current under dawn-to-dusk electric field of magnetospheric origin |
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| Authors: | Naoshi Fukushima |
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| Institution: | (1) Geophysics Research Laboratory, University of Tokyo, 113 Tokyo, Japan |
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| Abstract: | If the earth and its ionosphere are immersed in a large-scale dawn-to-dusk electric field (of the order of 0.5 mV/m), the resultant dawn-to-dusk ionospheric currents are much stronger on the dayside than on the nightside. These asymmetric currents over the earth produce a magnetic field detectable on the ground, which will contribute to a considerable extent to theSq-field and equatorial electrojet.This paper was presented at the IAGA General Assembly meeting (Session 9.1) held in Vancouver, Canada, during August 1987. |
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| Keywords: | GeomagneticSq-field equatorial electrojet ionospheric current electric field of magnetospheric origin |
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