Mid-latitude ionospheric TEC variations during the period from 2016 to 2019 using GNSS data from the geophysical observatory Mikhnevo

M. O. Plaksina; I. A. Ryakhovskiy; B. G. Gavrilov; Yu. V. Poklad; S. Z. Bekker

doi:10.1117/12.2575526

12 November 2020 Mid-latitude ionospheric TEC variations during the period from 2016 to 2019 using GNSS data from the geophysical observatory Mikhnevo

M. O. Plaksina, I. A. Ryakhovskiy, B. G. Gavrilov, Yu. V. Poklad, S. Z. Bekker

Author Affiliations +

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115608J (2020) https://doi.org/10.1117/12.2575526
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

This paper presents the perennial results of ionospheric vertical total electron content (TEC) variations using the Global Navigation Satellite System (GNSS) data from the Geophysical Observatory «Michnevo». TEC long data analysis revealed a TEC annual variations and TEC decreasing trend caused by the decline in solar activity during the observation period. Spectral analysis allowed to identify 27 TEC daytime variations, which can be directly related to the period of sun rotation around its axis. Also the TEC distribution from the UV solar radiation flux was made. The linear dependence of the TEC value on the UV flux can be explained by the fact, that UV solar radiation is the main ionization agent of the F region ionosphere.

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M. O. Plaksina, I. A. Ryakhovskiy, B. G. Gavrilov, Yu. V. Poklad, and S. Z. Bekker "Mid-latitude ionospheric TEC variations during the period from 2016 to 2019 using GNSS data from the geophysical observatory Mikhnevo", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115608J (12 November 2020); https://doi.org/10.1117/12.2575526

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