SURFEX v8.0 interface with OASIS3-MCT to couple atmosphere with hydrology, ocean, waves and sea-ice models, from coastal to global scales

Voldoire, Aurore; Decharme, Bertrand; Pianezze, Joris; Lebeaupin Brossier, Cindy; Sevault, Florence; Seyfried, Léo; Garnier, Valérie; Bielli, Soline; Valcke, Sophie; Alias, Antoinette; Accensi, Mickael; Ardhuin, Fabrice; Bouin, Marie-Noëlle; Ducrocq, Véronique; Faroux, Stéphanie; Giordani, Hervé; Léger, Fabien; Marsaleix, Patrick; Rainaud, Romain; Redelsperger, Jean-Luc; Richard, Evelyne; Riette, Sébastien

doi:https://doi.org/10.5194/gmd-10-4207-2017

Articles | Volume 10, issue 11

https://doi.org/10.5194/gmd-10-4207-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

The externalised surface model SURFEX

https://doi.org/10.5194/gmd-10-4207-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 10, issue 11

Model description paper

|

20 Nov 2017

Model description paper |

| 20 Nov 2017

SURFEX v8.0 interface with OASIS3-MCT to couple atmosphere with hydrology, ocean, waves and sea-ice models, from coastal to global scales

Aurore Voldoire, Bertrand Decharme, Joris Pianezze, Cindy Lebeaupin Brossier, Florence Sevault, Léo Seyfried, Valérie Garnier, Soline Bielli, Sophie Valcke, Antoinette Alias, Mickael Accensi, Fabrice Ardhuin, Marie-Noëlle Bouin, Véronique Ducrocq, Stéphanie Faroux, Hervé Giordani, Fabien Léger, Patrick Marsaleix, Romain Rainaud, Jean-Luc Redelsperger, Evelyne Richard, and Sébastien Riette

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Final revised paper (published on 20 Nov 2017)
Preprint (discussion started on 08 May 2017)

Interactive discussion

Status: closed

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

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RC1: 'Referee comment on "The seamless and multi-model coupling between atmosphere, land, hydrology, ocean, waves and sea-ice models based on SURFEX v8 surface model using OASIS3-MCT"', Anonymous Referee #1, 13 Jun 2017
- AC1: 'Answer to reviewer 1', Aurore Voldoire, 28 Jul 2017
RC2: 'Review of The seamless and multi-model coupling between atmosphere, land, hydrology, ocean, waves and sea-ice models based on SURFEX v8 surface model using OASIS3-MCT', Anonymous Referee #2, 21 Jun 2017
- AC2: 'Answer to reviewer 2', Aurore Voldoire, 28 Jul 2017
RC3: 'Interactive comment on “The seamless and multi-model coupling between atmosphere, land, hydrology, ocean, waves and sea-ice models based on SURFEX surface model using OASIS3-MCT” by Aurore Voldoire et al.', Anonymous Referee #3, 24 Jun 2017
- AC3: 'Answer to reviewer 3', Aurore Voldoire, 28 Jul 2017

Peer-review completion

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

AR by Aurore Voldoire on behalf of the Authors (21 Aug 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (05 Sep 2017) by Astrid Kerkweg

RR by Anonymous Referee #1 (12 Sep 2017)

Suggestions for revision or reasons for rejection

Comments on the paper „ SURFEX v8.0 interface with OASIS3-MCT to couple atmosphere with hydrology, ocean, waves and sea-ice models, from coastal to global scales”
General comments
The paper has improved a lot in the review process. Only some minor issues turned up.
Page 2, lines 104ff and page 5, lines 136ff have similar sentences. Please rewrite this, so it is only mentioned once that oasis3 was already used. In the paragraph on page5, line 138, please change to the new OASIS citation Craig 2017 as is was done earlier in the text.
Page 3 or 4: It would be nice to mention here that SURFEX is freely available.
Page 7, line 194, this sentence took me a while to understand. It reads like Nemo, Symphonie and MARS3D are independent models, so it might be better to split in two sentences, and explain the connection between NEMO and the models a bit better. The next sentence is a bit too negative for my taste and I would skip it. If someone wants to add an exotic new variable to exchange, then it is obvious that the flow can change. But it is not necessary to discuss this here already.
Page 11, line 323, after time step, please add “is”. Line 325 please change: domain size, integration duration and SURFEX version used.
Page 12, line 383: lucia is only available since OASIS3-MCT3.
Page 18, line 533 please change: the applications described here show that the computational cost of the OASIS3-MCT interface are negligible compared to the costs of the individual model components.
Line 546: “fulfilled” is wrong, “edited” could be used
Line 548: Ocean models are usually run either forced by fluxes or forced by near surface atmospheric fields. In the last case, bulk formulae are embedded in the ocean code to calculate turbulent fluxes. The comparison with coupled run is not straightforward in this case as bulk formulae used in the ocean code are not the same as those used in the coupled system.
I would suggest adding two paragraphs of the first version of the paper from the conclusions. Page 18, lines 546ff: it is often hard to clearly isolate… [continued on page 19] both in the ocean and atmospheric systems.
- Discussion around the benefits of a coupled system
- Improving the mixed layer in ocean and atmosphere

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ED: Publish subject to minor revisions (Editor review) (13 Sep 2017) by Astrid Kerkweg

AR by Aurore Voldoire on behalf of the Authors (15 Sep 2017) Author's response Manuscript

ED: Publish as is (04 Oct 2017) by Astrid Kerkweg

AR by Aurore Voldoire on behalf of the Authors (05 Oct 2017) Manuscript

Short summary

This study presents the principles of the new coupling interface based on the SURFEX multi-surface model and the OASIS3-MCT coupler. As SURFEX can be plugged into several atmospheric models, it can be used in a wide range of applications. The objective of this development is to build and share a common structure for the atmosphere–surface coupling of all these applications, involving on the one hand atmospheric models and on the other hand ocean, ice, hydrology, and wave models.