Mitigation of the double ITCZ syndrome in BCC-CSM2-MR through improving parameterizations of boundary-layer turbulence and shallow convection

Lu, Yixiong; Wu, Tongwen; Li, Yubin; Yang, Ben

doi:https://doi.org/10.5194/gmd-14-5183-2021

Articles | Volume 14, issue 8

https://doi.org/10.5194/gmd-14-5183-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-14-5183-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 8

Development and technical paper

|

18 Aug 2021

Development and technical paper |

| 18 Aug 2021

Mitigation of the double ITCZ syndrome in BCC-CSM2-MR through improving parameterizations of boundary-layer turbulence and shallow convection

Yixiong Lu, Tongwen Wu, Yubin Li, and Ben Yang

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Final revised paper (published on 18 Aug 2021)
Preprint (discussion started on 25 Feb 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review in File', Anonymous Referee #1, 19 Mar 2020
- AC2: 'Response to Reviewer 1', Yixiong Lu, 07 Aug 2020
SC1: 'Executive editor comment: code and data availability.', David Ham, 10 Jul 2020
- AC1: 'Reply to SC1', Yixiong Lu, 11 Jul 2020
RC2: 'review of gmd-2020-40', Anonymous Referee #2, 14 Aug 2020
- AC4: 'Response to Reviewer 2', Yixiong Lu, 26 Aug 2020
SC2: 'horizontal resolution of atmospheric model matters in the double-ITCZ bias in the coupled model', Fengfei Song, 22 Aug 2020
- AC3: 'Reply to SC2', Yixiong Lu, 25 Aug 2020

Peer-review completion

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

AR by Yixiong Lu on behalf of the Authors (26 Aug 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (14 Sep 2020) by Olivier Marti

RR by Anonymous Referee #1 (16 Sep 2020)

RR by Anonymous Referee #3 (19 Apr 2021)

ED: Reconsider after major revisions (02 Jun 2021) by Olivier Marti

AR by Yixiong Lu on behalf of the Authors (07 Jul 2021) Author's response Author's tracked changes Manuscript

ED: Publish subject to minor revisions (review by editor) (09 Jul 2021) by Olivier Marti

AR by Yixiong Lu on behalf of the Authors (11 Jul 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (15 Jul 2021) by Olivier Marti

Short summary

The spurious precipitation in the tropical southeastern Pacific and southern Atlantic is one of the most prominent systematic biases in coupled atmosphere–ocean general circulation models. This study significantly promotes the marine stratus simulation and largely alleviates the excessive precipitation biases through improving parameterizations of boundary-layer turbulence and shallow convection, providing an effective solution to the long-standing bias in the tropical precipitation simulation.