Response of the upper atmosphere to irradiance increase after the solar flare on 6 September 2017

P. O. Pikulina; I. A. Mironova; E. V. Rozanov; T. V. Sukhodolov; A. V. Karagodin

doi:10.1117/12.2603374

15 December 2021 Response of the upper atmosphere to irradiance increase after the solar flare on 6 September 2017

P. O. Pikulina, I. A. Mironova, E. V. Rozanov, T. V. Sukhodolov, A. V. Karagodin

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1191680 (2021) https://doi.org/10.1117/12.2603374
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

In this study, we analyzed the reaction of the upper atmosphere to an increase in illumination after the solar flare on 6 September 2017. This intense solar-terrestrial disturbance event was caused by the active region of the Sun AR2673, which generated several powerful X-class flares. The strongest X9.3 flare occurred on 6 September 2017 inducing an increase in illumination in the extreme ultraviolet and soft X-ray ranges of the solar spectrum. We used the FISM2 empirical model to derive the flare irradiance data and the HAMMONIA 3D high-top chemistry-climate model to study the related atmospheric effects. We showed that the event has significantly affected the upper atmospheric chemistry and produced up to 300% increase in odd nitrogen around 80 km.

Citation Download Citation

P. O. Pikulina, I. A. Mironova, E. V. Rozanov, T. V. Sukhodolov, and A. V. Karagodin "Response of the upper atmosphere to irradiance increase after the solar flare on 6 September 2017", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1191680 (15 December 2021); https://doi.org/10.1117/12.2603374

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