Dynamics of the mesosphere and lower thermosphere during sudden stratospheric warmings over the Asian region

O. S. Zorkaltseva; R. V. Vasilyev; V. I. Mordvinov; N. S. Dombrovskaya

doi:10.1117/12.2540077

18 December 2019 Dynamics of the mesosphere and lower thermosphere during sudden stratospheric warmings over the Asian region

O. S. Zorkaltseva, R. V. Vasilyev, V. I. Mordvinov, N. S. Dombrovskaya

Author Affiliations +

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112086Z (2019) https://doi.org/10.1117/12.2540077
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

The mesosphere and lower thermosphere are the least studied areas of the earth atmosphere. The reason for this is the lack of monitoring. We have instrument for measuring wind speed - the Fabry-Perot interferometer of the ISTP SB RAS which was used for study atmosphere dynamics in two winter periods - 2016/2017 and 2017/2018. Sudden stratospheric warming's (SSW) are investigated according to the ERA-Interim reanalysis archive. In 2017 and 2018, the interferometer data on wind speed at an altitude of 90 km showed a responses to the SSW, with different vertical and horizontal structure, which were occurred at the different of the quasi-biennial oscillation phases.

Citation Download Citation

O. S. Zorkaltseva, R. V. Vasilyev, V. I. Mordvinov, and N. S. Dombrovskaya "Dynamics of the mesosphere and lower thermosphere during sudden stratospheric warmings over the Asian region", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112086Z (18 December 2019); https://doi.org/10.1117/12.2540077

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