Variability of mesopause temperature from the hydroxyl airglow observations over mid-latitudinal sites,Zvenigorod and Tory,Russia |
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| Authors: | VI Perminov AI Semenov IV Medvedeva YuA Zheleznov |
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| Institution: | 1. A.M. Obukhov Institute of Atmospheric Physics RAS, 3 Pyzhevsky per., 119017 Moscow, Russia;2. Institute of Solar-Terrestrial Physics of Siberian Branch RAS, 126-a Lermontov str., 664033 Irkutsk, Russia;3. Institute of Electrophysics and Electric Power RAS, 18 Dvortsovaya nab., 191186 St. Petersburg, Russia |
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| Abstract: | We obtained data on temperature in the mesopause vicinity from ground-based observations of the hydroxyl airglow at mid-latitudinal sites, Zvenigorod (56°N, 37°E), located near Moscow, over 2000–2012, and Tory (52°N, 103°E), Eastern Siberia, over 2008–2012. Seasonal behavior of the temperature and its monthly and nightly mean variances are presented. A comparison of the results obtained at two different regions of Russia shows higher values of the mesopause temperature variability in Eastern Siberia. We perform an analysis of the multi-year changes in the temperature variability characteristics based on the Zvenigorod observational data. |
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| Keywords: | Hydroxyl airglow Mesopause temperature Seasonal and multi-year changes Nightly variability |
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