Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 38, issue 4
Articles | Volume 38, issue 4
https://doi.org/10.5194/angeo-38-833-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-38-833-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 38, issue 4
Regular paper
 | 
13 Jul 2020
Regular paper |  | 13 Jul 2020

Magnetic-local-time dependency of radiation belt electron precipitation: impact on ozone in the polar middle atmosphere

Pekka T. Verronen, Daniel R. Marsh, Monika E. Szeląg, and Niilo Kalakoski

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Short summary
This paper is the first to study how the representation of the magnetic-local-time (MLT) dependency of electron precipitation impacts middle-atmospheric-ozone response on monthly timescales. We use a state-of-the-art chemistry–climate model with detailed lower-ionospheric chemistry for an advanced representation of atmospheric impacts of electron forcing. We find that the use of daily zonal-mean electron forcing will provide an accurate ozone response in long-term climate simulations.
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