Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14969–14982, 2020
https://doi.org/10.5194/acp-20-14969-2020
Atmos. Chem. Phys., 20, 14969–14982, 2020
https://doi.org/10.5194/acp-20-14969-2020

Research article 04 Dec 2020

Research article | 04 Dec 2020

Is there a direct solar proton impact on lower-stratospheric ozone?

Jia Jia et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jia Jia on behalf of the Authors (06 Aug 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (18 Aug 2020) by Gabriele Stiller
RR by Anonymous Referee #2 (06 Sep 2020)
RR by Anonymous Referee #1 (07 Sep 2020)
ED: Publish subject to minor revisions (review by editor) (07 Sep 2020) by Gabriele Stiller
AR by Jia Jia on behalf of the Authors (09 Sep 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (08 Oct 2020) by Gabriele Stiller
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Short summary
Recent studies have reported up to a 10 % average decrease of lower stratospheric ozone at 20 km altitude following solar proton events (SPEs). Our study uses 49 events that occurred after the launch of Aura MLS (July 2004–now) and 177 events that occurred in the WACCM-D simulation period (Jan 1989–Dec 2012) to evaluate ozone changes following SPEs. The statistical and case-by-case studies show no solid evidence of SPE's direct impact on the lower stratospheric ozone.
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