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Effect of the zonal E × B plasma drift on the electron number density in the low-latitude ionospheric F region at high solar activity near the December solstice

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Abstract

The variations in the electron number density of the ionospheric F2 layer maximum (NmF2) under the action of the zonal plasma drift in the geomagnetic west-geomagnetic east direction perpendicularly to the electric (E) and geomagnetic (B) fields during a geomagnetically quiet period on December 7, 1989, at high solar activity have been studied based on a three-dimensional nonstationary theoretical model of electron number densities and temperatures in the ionospheric F region. Calculated and measured NmF2 values for 12 low-latitude ionospheric sounding stations have been compared. When the zonal E × B plasma drift is ignored, the NmF2 values become smaller by up to a factor of 3 under nighttime conditions in the low-latitude ionosphere. The average effect of the zonal E × B plasma drift on NmF2 in the low-latitude ionosphere is larger during winter nights than under summer nighttime conditions.

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Correspondence to A. V. Pavlov.

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Original Russian Text © A.V. Pavlov, N.M. Pavlova, 2013, published in Geomagnetizm i Aeronomiya, 2013, Vol. 53, No. 2, pp. 198–208.

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Pavlov, A.V., Pavlova, N.M. Effect of the zonal E × B plasma drift on the electron number density in the low-latitude ionospheric F region at high solar activity near the December solstice. Geomagn. Aeron. 53, 188–197 (2013). https://doi.org/10.1134/S0016793213020138

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  • DOI: https://doi.org/10.1134/S0016793213020138

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