Weakly coupled atmosphere–ocean data assimilation in the Canadian global prediction system (v1)

Skachko, Sergey; Buehner, Mark; Laroche, Stéphane; Lapalme, Ervig; Smith, Gregory; Roy, François; Surcel-Colan, Dorina; Bélanger, Jean-Marc; Garand, Louis

doi:https://doi.org/10.5194/gmd-12-5097-2019

Articles | Volume 12, issue 12

https://doi.org/10.5194/gmd-12-5097-2019

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

https://doi.org/10.5194/gmd-12-5097-2019

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

Articles | Volume 12, issue 12

Development and technical paper

|

05 Dec 2019

Development and technical paper |

| 05 Dec 2019

Weakly coupled atmosphere–ocean data assimilation in the Canadian global prediction system (v1)

Sergey Skachko, Mark Buehner, Stéphane Laroche, Ervig Lapalme, Gregory Smith, François Roy, Dorina Surcel-Colan, Jean-Marc Bélanger, and Louis Garand

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Final revised paper (published on 05 Dec 2019)
Preprint (discussion started on 09 Aug 2019)

Interactive discussion

Status: closed

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

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RC1: 'Review of Weakly coupled atmospheric-ocean data assimilation in the Canadian global prediction system (v1) by Sergey Skachko et al.', Anonymous Referee #1, 13 Sep 2019
- AC2: 'Response to Referee 1', Sergey Skachko, 25 Oct 2019
RC2: 'Review of "Weakly coupled atmospheric-ocean data assimilation in the Canadian global prediction system. (v1)" by Skachko et al.', Anonymous Referee #2, 24 Sep 2019
- AC1: 'Author's response', Sergey Skachko, 21 Oct 2019

Peer-review completion

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

AR by Sergey Skachko on behalf of the Authors (26 Oct 2019)

ED: Publish subject to technical corrections (11 Nov 2019) by Sophie Valcke

AR by Sergey Skachko on behalf of the Authors (13 Nov 2019) Manuscript

Short summary

The study presents a weakly coupled atmosphere–ocean data assimilation system that uses coupled atmosphere–ocean–ice short-term forecasts as background states for atmospheric and ocean systems that independently compute atmospheric and ocean analyses. This system leads to better agreement between the coupled atmosphere–ocean analyses and coupled forecasts that have been used operationally for the last year.