Interannual variations of planetary wave activity from OH (6-2) observations at the Maimaga station

Vera I. Sivtseva; Petr P. Ammosov; Galina A. Gavrilyeva; Igor I. Koltovskoi; Anastasia M. Ammosova

doi:10.1117/12.2575549

12 November 2020 Interannual variations of planetary wave activity from OH (6-2) observations at the Maimaga station

Vera I. Sivtseva, Petr P. Ammosov, Galina A. Gavrilyeva, Igor I. Koltovskoi, Anastasia M. Ammosova

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115608L (2020) https://doi.org/10.1117/12.2575549
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

Temperature data of the mesopause region, obtained for the period 1999-2016 at the Maimaga station (63.04°N, 129.51°E), were studied. Registration of spectra was carried out with the help of light-sensitive infrared spectrographs SP-50, recording the OH (6-2) band. The standard deviation of temperature σ_pw from its average monthly value after deduction of seasonal temperature course is accepted as a characteristic of planetary wave activity. There is a quasi two-year cycle of planetary wave activity. A correlation is observed between the activity of planetary waves and the F10.7cm index.

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Vera I. Sivtseva, Petr P. Ammosov, Galina A. Gavrilyeva, Igor I. Koltovskoi, and Anastasia M. Ammosova "Interannual variations of planetary wave activity from OH (6-2) observations at the Maimaga station", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115608L (12 November 2020); https://doi.org/10.1117/12.2575549

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