The effect of atmospheric nudging on the stratospheric residual circulation in chemistry–climate models

Chrysanthou, Andreas; Maycock, Amanda C.; Chipperfield, Martyn P.; Dhomse, Sandip; Garny, Hella; Kinnison, Douglas; Akiyoshi, Hideharu; Deushi, Makoto; Garcia, Rolando R.; Jöckel, Patrick; Kirner, Oliver; Pitari, Giovanni; Plummer, David A.; Revell, Laura; Rozanov, Eugene; Stenke, Andrea; Tanaka, Taichu Y.; Visioni, Daniele; Yamashita, Yousuke

doi:https://doi.org/10.5194/acp-19-11559-2019

Articles | Volume 19, issue 17

https://doi.org/10.5194/acp-19-11559-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Chemistry–Climate Modelling Initiative (CCMI) (ACP/AMT/ESSD/GMD...

https://doi.org/10.5194/acp-19-11559-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 17

Research article

|

13 Sep 2019

Research article |

| 13 Sep 2019

The effect of atmospheric nudging on the stratospheric residual circulation in chemistry–climate models

Andreas Chrysanthou, Amanda C. Maycock, Martyn P. Chipperfield, Sandip Dhomse, Hella Garny, Douglas Kinnison, Hideharu Akiyoshi, Makoto Deushi, Rolando R. Garcia, Patrick Jöckel, Oliver Kirner, Giovanni Pitari, David A. Plummer, Laura Revell, Eugene Rozanov, Andrea Stenke, Taichu Y. Tanaka, Daniele Visioni, and Yousuke Yamashita

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Final revised paper (published on 13 Sep 2019)
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Preprint (discussion started on 20 Mar 2019)
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Interactive discussion

Status: closed

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

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RC1: 'Review_ acp-2019-260', Anonymous Referee #1, 03 May 2019
- AC1: 'Reply to Anonymous Referee #1', Andreas Chrysanthou, 27 Jun 2019
RC2: 'acp-2019-260', Anonymous Referee #2, 14 May 2019
- AC2: 'Reply to Anonymous Referee #2', Andreas Chrysanthou, 27 Jun 2019

Peer-review completion

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

AR by Andreas Chrysanthou on behalf of the Authors (25 Jul 2019) Author's response Manuscript

ED: Publish as is (06 Aug 2019) by William Ward

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Short summary

We perform the first multi-model comparison of the impact of nudged meteorology on the stratospheric residual circulation (RC) in chemistry–climate models. Nudging meteorology does not constrain the mean strength of RC compared to free-running simulations, and despite the lack of agreement in the mean circulation, nudging tightly constrains the inter-annual variability in the tropical upward mass flux in the lower stratosphere. In summary, nudging strongly affects the representation of RC.