Daytime ozone photochemical equilibrium and its application for retrieving the O and H distributions at the altitudes of the mesosphere-lower thermosphere

Mikhail Yu. Kulikov; Mikhail V. Belikovich; Alexey G. Chubarov; Alexander M. Feigin

doi:10.1117/12.2603721

15 December 2021 Daytime ozone photochemical equilibrium and its application for retrieving the O and H distributions at the altitudes of the mesosphere-lower thermosphere

Mikhail Yu. Kulikov, Mikhail V. Belikovich, Alexey G. Chubarov, Alexander M. Feigin

Author Affiliations +

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119168F (2021) https://doi.org/10.1117/12.2603721
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

On the example of the SABER/TIMED satellite data measured in 2003, we analyze the quality of daytime O and H retrieval at the altitudes of the mesosphere - lower thermosphere with the use of the condition of ozone photochemical equilibrium, which takes into account only the main chemical sink of this component due to photodissociation. It is shown that neglecting the reaction H+O₃→O₂+OH in this condition weakly manifests itself in the H distributions, but leads to a significant (up to 50-70%) systematic underestimation of the monthly mean and annually mean O distributions at the altitudes of 75-90 km.

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Mikhail Yu. Kulikov, Mikhail V. Belikovich, Alexey G. Chubarov, and Alexander M. Feigin "Daytime ozone photochemical equilibrium and its application for retrieving the O and H distributions at the altitudes of the mesosphere-lower thermosphere", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119168F (15 December 2021); https://doi.org/10.1117/12.2603721

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