Articles | Volume 20, issue 14
Atmos. Chem. Phys., 20, 8923–8938, 2020
https://doi.org/10.5194/acp-20-8923-2020
Atmos. Chem. Phys., 20, 8923–8938, 2020
https://doi.org/10.5194/acp-20-8923-2020

Research article 28 Jul 2020

Research article | 28 Jul 2020

Statistical response of middle atmosphere composition to solar proton events in WACCM-D simulations: the importance of lower ionospheric chemistry

Niilo Kalakoski et al.

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Latest update: 08 May 2021
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Short summary
Effects of solar proton events (SPEs) on middle atmosphere chemistry were studied using the WACCM-D chemistry–climate model, including an improved representation of lower ionosphere ion chemistry. This study includes 66 events in the years 1989–2012 and uses a statistical approach to determine the impact of the improved chemistry scheme. The differences shown highlight the importance of ion chemistry in models used to study energetic particle precipitation.
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