Solar activity effects in the ionospheric D region |
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| Authors: | A D Danilov |
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| Institution: | (1) Institute of Applied Geophysics, Rostokinskaya 9, Moscow, 128 129, Russia |
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| Abstract: | Variations in the D-region electron concentration within the solar activity cycle are considered. It is demonstrated that conclusions of various authors, who have analyzed various sets of experimental data on e], differ significantly. The most reliable seem to be the conclusions based on analysis of the e] measurements carried out by the Faraday rotation method and on the theoretical concepts on the D-region photochemistry. Possible QBO effects in the relation of e] to solar activity are considered and an assumption is made that such effects may be the reason for the aforementioned disagreement in conclusions on the e] relation to solar indices.Paper Presented at the Second IAGA/ICMA (IAMAS) Workshop on Solar Activity Forcing of the Middle Atmosphere, Prague, August 1997 |
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| Keywords: | Atmospheric composition and structure Ion chemistry of the atmosphere Middle atmosphere |
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