Articles | Volume 20, issue 16
Atmos. Chem. Phys., 20, 9771–9782, 2020
https://doi.org/10.5194/acp-20-9771-2020
Atmos. Chem. Phys., 20, 9771–9782, 2020
https://doi.org/10.5194/acp-20-9771-2020

Research article 20 Aug 2020

Research article | 20 Aug 2020

Investigating stratospheric changes between 2009 and 2018 with halogenated trace gas data from aircraft, AirCores, and a global model focusing on CFC-11

Johannes C. Laube 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 Anna Wenzel on behalf of the Authors (24 Jun 2020)  Author's response
ED: Referee Nomination & Report Request started (03 Jul 2020) by Peter Haynes
RR by Anonymous Referee #1 (15 Jul 2020)
ED: Publish subject to technical corrections (16 Jul 2020) by Peter Haynes
AR by Johannes Laube on behalf of the Authors (16 Jul 2020)  Author's response    Manuscript
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Short summary
We demonstrate that AirCore technology, which is based on small low-cost balloons, can provide access to trace gas measurements such as CFCs at ultra-low abundances. This is a new way to quantify ozone-depleting, and related, substances in the stratosphere, which is largely inaccessible to aircraft. We show two potential uses: (a) tracking the stratospheric circulation, which is predicted to change, and (b) assessing three common meteorological reanalyses driving a global stratospheric model.
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