Variability of the 557-nm atmospheric emission |
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| Authors: | A V Mikhalev |
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| Institution: | 1. Institute of Solar-Terrestrial Physics, Siberian Branch, Russian Academy of Sciences, P.O. Box 4026, Irkutsk, 664033, Russia
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| Abstract: | The variability of diurnal, day-to-day, and monthly average rates of the 557.7-nm atmospheric emission (I 557.7) is considered. We use 1997–2010 airglow observation data obtained for the upper atmosphere over Eastern Siberia (52°N, 103°E). The variation coefficient KV of corresponding quantities is taken as the variability index. For the 23rd solar cycle, we examine the resulting seasonal variation of KV of monthly averaged I 557.7, the dependence of monthly averaged I 557.7 on solar activity for each month, the variation coefficient of diurnal values of I 557.7 for different seasons of the year, the variability of I 557.7 during some geophysical events, and the correlation of I 557.7 variations with global climatic indices. |
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