Articles | Volume 14, issue 5
Geosci. Model Dev., 14, 2959–2975, 2021
https://doi.org/10.5194/gmd-14-2959-2021
Geosci. Model Dev., 14, 2959–2975, 2021
https://doi.org/10.5194/gmd-14-2959-2021

Development and technical paper 26 May 2021

Development and technical paper | 26 May 2021

A Schwarz iterative method to evaluate ocean–atmosphere coupling schemes: implementation and diagnostics in IPSL-CM6-SW-VLR

Olivier Marti et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Olivier Marti on behalf of the Authors (19 Mar 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (21 Mar 2021) by Qiang Wang
RR by Jan Streffing (05 Apr 2021)
RR by Anonymous Referee #1 (10 Apr 2021)
ED: Publish as is (15 Apr 2021) by Qiang Wang
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Short summary
State-of-the-art Earth system models, like the ones used in CMIP6, suffer from temporal inconsistencies at the ocean–atmosphere interface. In this study, a mathematically consistent iterative Schwarz method is used as a reference. Its tremendous computational cost makes it unusable for production runs, but it allows us to evaluate the error made when using legacy coupling schemes. The impact on the climate at longer timescales of days to decades is not evaluated.