Articles | Volume 18, issue 17
Atmos. Chem. Phys., 18, 13055–13073, 2018
https://doi.org/10.5194/acp-18-13055-2018

Special issue: Water vapour in the upper troposphere and middle atmosphere:...

Atmos. Chem. Phys., 18, 13055–13073, 2018
https://doi.org/10.5194/acp-18-13055-2018

Research article 11 Sep 2018

Research article | 11 Sep 2018

Response of stratospheric water vapor and ozone to the unusual timing of El Niño and the QBO disruption in 2015–2016

Mohamadou Diallo 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 Mohamadou Diallo on behalf of the Authors (20 Jul 2018)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (09 Aug 2018) by Karen Rosenlof
AR by Lorena Grabowski on behalf of the Authors (16 Aug 2018)  Author's response
ED: Publish as is (24 Aug 2018) by Karen Rosenlof
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Short summary
The unprecedented timing of an El Niño event aligned with the disrupted QBO in 2015–2016 caused a perturbation to the stratospheric circulation, affecting trace gases. This paper resolves the puzzling response of the lower stratospheric water vapor by showing that the QBO disruption reversed the lower stratosphere moistening triggered by the alignment of the El Niño event with a westerly QBO in early boreal winter.
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