Articles | Volume 23, issue 22
https://doi.org/10.5194/acp-23-14593-2023
https://doi.org/10.5194/acp-23-14593-2023
Research article
 | 
27 Nov 2023
Research article |  | 27 Nov 2023

Boundary of nighttime ozone chemical equilibrium in the mesopause region: long-term evolution determined using 20-year satellite observations

Mikhail Yu. Kulikov, Mikhail V. Belikovich, Aleksey G. Chubarov, Svetlana O. Dementyeva, and Alexander M. Feigin

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This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Cited articles

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Belikovich, M. V., Kulikov, M. Yu, Grygalashvyly, M., Sonnemann, G. R., Ermakova, T. S., Nechaev, A. A., and Feigin, A .M.: Ozone chemical equilibrium in the extended mesopause under the nighttime conditions, Adv. Space Res., 61, 426–432, https://doi.org/10.1016/j.asr.2017.10.010, 2018. 
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Evans, W. F. J., McDade, I. C., Yuen, J., and Llewellyn, E. J.: A rocket measurement of the O2 infrared atmospheric (0-0) band emission in the dayglow and a determination of the mesospheric ozone and atomic oxygen densities, Can. J. Phys., 66, 941–946, https://doi.org/10.1139/p88-151. 1988. 
Gan, Q., Du, J., Fomichev, V. I., Ward, W. E., Beagley, S. R., Zhang, S., and Yue, J.: Temperature responses to the 11 year solar cycle in the mesosphere from the 31 year (1979–2010) extended Canadian Middle Atmosphere Model simulations and a comparison with the 14 year (2002–2015) TIMED/SABER observations, J. Geophys. Res.-Space Phys., 122, 4801–4818, https://doi.org/10.1002/2016JA023564, 2017. 
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Short summary
In this work, the recently developed analytical criterion for determining the boundary of nighttime ozone chemical equilibrium (NOCE) in the mesopause region (80–90 km) is used (i) to study the connection of this boundary with O and H spatiotemporal variability based on 3D modeling of chemical transport and (ii) to retrieve and analyze the spatiotemporal evolution of the NOCE boundary in 2002–2021 from the SABER/TIMED data set.
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