Articles | Volume 20, issue 12
Atmos. Chem. Phys., 20, 7153–7166, 2020
https://doi.org/10.5194/acp-20-7153-2020

Special issue: StratoClim stratospheric and upper tropospheric processes...

Atmos. Chem. Phys., 20, 7153–7166, 2020
https://doi.org/10.5194/acp-20-7153-2020

Research article 19 Jun 2020

Research article | 19 Jun 2020

Modelling the potential impacts of the recent, unexpected increase in CFC-11 emissions on total column ozone recovery

James Keeble et al.

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Wenzel on behalf of the Authors (23 Apr 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (28 Apr 2020) by Gabriele Stiller
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Short summary
The Montreal Protocol was agreed in 1987 to limit and then stop the production of man-made CFCs, which destroy stratospheric ozone. As a result, the atmospheric abundances of CFCs are now declining in the atmosphere. However, the atmospheric abundance of CFC-11 is not declining as expected under complete compliance with the Montreal Protocol. Using the UM-UKCA chemistry–climate model, we explore the impact of future unregulated production of CFC-11 on ozone recovery.
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