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the numerical simulation of the 2017 september solar X-flares impact on the midlatitude lower ionosphere
Author(s): Andrey N. Lyakhov; Julia A. Korsunskaya; Yuri V. Poklad; Boris G. Gavrilov; Ilya A. Ryakhovsky; Julius I. Zetzer; Tatiana V. Losseva; M. A. Bisyarin; V. V. Kirillov; A. B. Orlov; A. E. Pronin
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Paper Abstract

The progress in the physics and chemistry of the lower ionosphere depends on the verification of the numerical models on the experimental data. We establish the framework, that the lower ionosphere model can be considered as a valid one, only if the prediction for the VLF-LF radiowave propagation coincides with evidence both in amplitude and phase temporal dynamics. The extremely strong X-flares 06 and 10 September 2017 were chosen as a testbed for the empirical and theoretical models of the midlatitude lower ionosphere. Both models used GOES-15 X-ray flux measurements. Empirical model captures only the time moment of disturbance. Theoretical model captures the main feature in VLF response. We summarize the observed problems in simulation and prospective solutions as well.

Paper Details

Date Published: 13 December 2018
PDF: 7 pages
Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108339M (13 December 2018); doi: 10.1117/12.2504292
Show Author Affiliations
Andrey N. Lyakhov, Institute of Dynamics of Geospheres (Russian Federation)
Julia A. Korsunskaya, Institute of Dynamics of Geospheres (Russian Federation)
Yuri V. Poklad, Institute of Dynamics of Geospheres (Russian Federation)
Boris G. Gavrilov, Institute of Dynamics of Geospheres (Russian Federation)
Ilya A. Ryakhovsky, Institute of Dynamics of Geospheres (Russian Federation)
Julius I. Zetzer, Institute of Dynamics of Geospheres (Russian Federation)
Tatiana V. Losseva, Institute of Dynamics of Geospheres (Russian Federation)
VNIIA im. (Russian Federation)
M. A. Bisyarin, Saint Petersburg State Univ. (Russian Federation)
V. V. Kirillov, Saint Petersburg State Univ. (Russian Federation)
A. B. Orlov, Saint Petersburg State Univ. (Russian Federation)
A. E. Pronin, Saint Petersburg State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10833:
24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Gennadii G. Matvienko; Oleg A. Romanovskii, Editor(s)

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