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The influence of the magnetospheric convection on the current and wind systems in the lower ionosphere

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Abstract

The distributions of the current and the neutral winds driven by the electric field of convection are calculated in the dynamo-region of the ionosphere. At high latitudes the convection field drives the current and wind systems which consist of two cells with the centres at about 6 and 18 hours LT. In the northern hemisphere in the dawn cells winds and currents are clockwise, in the dusk cells they are counterclockwise. The appearance of the wind system shows that the upper atmosphere moves in the direction inverse to the displacement of the ionospheric ends of the magnetic flux tubes taking part in the convection. In the disturbed conditions the calculated wind system has the directions and velocities of the winds which are in a satisfactory agreement with the data of the irregularity drifts in the lower ionosphere in the winter season.

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Samokhin, M.V. The influence of the magnetospheric convection on the current and wind systems in the lower ionosphere. Astrophys Space Sci 44, 141–150 (1976). https://doi.org/10.1007/BF00650478

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  • DOI: https://doi.org/10.1007/BF00650478

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