Ionization of the lower ionosphere during the x-ray solar flare on September 6, 2017

I. A. Ryakhovskiy; B. G. Gavrilov; A. N. Lyakhov; Y. V. Poklad; S. Z. Bekker; S. I. Kozlov

doi:10.1117/12.2504402

13 December 2018 Ionization of the lower ionosphere during the x-ray solar flare on September 6, 2017

I. A. Ryakhovskiy, B. G. Gavrilov, A. N. Lyakhov, Y. V. Poklad, S. Z. Bekker, S. I. Kozlov

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108339Y (2018) https://doi.org/10.1117/12.2504402
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

In the study of the ionosphere total electron content (TEC), defined from the data of global navigation satellite systems, are widely used. It is assumed that the main contribution to the value of TEC is made by the F region. At the same time, the results of many studies show that during the X-ray flares the ionization of the D region can increase substantially, reaching values of 10⁶ cm^-3. In this paper, we analyze the changes in the parameters of the D region during an X-class flare on September 6, 2017. It is shown that a correct interpretation of the variations of TEC with powerful X-ray flares requires taking into account of the contribution to its ionization value of the lower ionosphere.

Citation Download Citation

I. A. Ryakhovskiy, B. G. Gavrilov, A. N. Lyakhov, Y. V. Poklad, S. Z. Bekker, and S. I. Kozlov "Ionization of the lower ionosphere during the x-ray solar flare on September 6, 2017", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108339Y (13 December 2018); https://doi.org/10.1117/12.2504402

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