The study of temperature and night green airglow at mid-latitude in MLT during winter

O. S. Zorkaltseva; R. V. Vasilyev; A. V. Saunkin; A. I. Pogoreltsev

doi:10.1117/12.2574914

12 November 2020 The study of temperature and night green airglow at mid-latitude in MLT during winter

O. S. Zorkaltseva, R. V. Vasilyev, A. V. Saunkin, A. I. Pogoreltsev

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1156081 (2020) https://doi.org/10.1117/12.2574914
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

We studied the temperature and the emission of 557.7 nm in the MLT in the geophysical observatory “Tory” (51.8N, 103.1E) during winter 2018-2019. For analysis, we used the measurement data of the Fabry-Perot interferometer (FPI), the SABER/TIMED data, the data of the model of middle and upper atmosphere (MUAM) and the data of the ERAinterim archive. It turned out that MLT emission is decreases during an increase in the amplitude of a stationary planetary wave with a zonal wave number 1 in the stratosphere, as well as during sudden stratospheric warmings. However, the temperature according to the FPI data increases, and according to the SABER data temperature decreases during these events in the stratosphere. In this paper we discuss the reasons for these differences, which are caused by a variation in the height of the emission layer and by the features of the SABER observations. The MUAM data confirm our assumptions about the reasons for the differences between SABER and FPI temperature.

Citation Download Citation

O. S. Zorkaltseva, R. V. Vasilyev, A. V. Saunkin, and A. I. Pogoreltsev "The study of temperature and night green airglow at mid-latitude in MLT during winter", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1156081 (12 November 2020); https://doi.org/10.1117/12.2574914

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