Linking uncertainty in simulated Arctic ozone loss to uncertainties in modelled tropical stratospheric water vapour

Thölix, Laura; Karpechko, Alexey; Backman, Leif; Kivi, Rigel

doi:https://doi.org/10.5194/acp-18-15047-2018

Articles | Volume 18, issue 20

https://doi.org/10.5194/acp-18-15047-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-15047-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 20

Research article

|

19 Oct 2018

Research article |

| 19 Oct 2018

Linking uncertainty in simulated Arctic ozone loss to uncertainties in modelled tropical stratospheric water vapour

Laura Thölix, Alexey Karpechko, Leif Backman, and Rigel Kivi

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Final revised paper (published on 19 Oct 2018)
Preprint (discussion started on 24 Apr 2018)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of the manuscript by Thoelix et al.', Anonymous Referee #2, 03 May 2018
RC2: 'major work required in spite of a very relevant scientific topic', Anonymous Referee #1, 26 May 2018
AC1: 'Authors’ response to Referee #1 and Referee #2 comments on "Linking the uncertainty in simulated arctic ozone losses to modelling of tropical stratospheric water vapour"', Laura Thölix, 22 Aug 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Laura Thölix on behalf of the Authors (19 Sep 2018) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (24 Sep 2018) by Farahnaz Khosrawi

AR by Laura Thölix on behalf of the Authors (28 Sep 2018) Author's response Manuscript

ED: Publish as is (04 Oct 2018) by Farahnaz Khosrawi

Short summary

We analyse the impact of water vapour (WV) on Arctic ozone loss and find the strongest impact during intermediately cold stratospheric winters when chlorine activation increases with increasing PSCs and WV. In colder winters the impact is limited because chlorine activation becomes complete at relatively low WV values, so further addition of WV does not affect ozone loss. Our results imply that improved simulations of WV are needed for more reliable projections of ozone layer recovery.