A new end-to-end workflow for the Community Earth System Model (version 2.0) for the Coupled Model Intercomparison Project Phase 6 (CMIP6)

Mickelson, Sheri; Bertini, Alice; Strand, Gary; Paul, Kevin; Nienhouse, Eric; Dennis, John; Vertenstein, Mariana

doi:https://doi.org/10.5194/gmd-13-5567-2020

Articles | Volume 13, issue 11

https://doi.org/10.5194/gmd-13-5567-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-13-5567-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 11

Development and technical paper

|

13 Nov 2020

Development and technical paper |

| 13 Nov 2020

A new end-to-end workflow for the Community Earth System Model (version 2.0) for the Coupled Model Intercomparison Project Phase 6 (CMIP6)

Sheri Mickelson, Alice Bertini, Gary Strand, Kevin Paul, Eric Nienhouse, John Dennis, and Mariana Vertenstein

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Final revised paper (published on 13 Nov 2020)
Preprint (discussion started on 24 Jun 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of A New End-to-End Workflow for the Community Earth System Model (version 2.0) for CMIP6', Anonymous Referee #1, 24 Jul 2020
- AC1: 'Response to review RC1', S.A. Mickelson, 02 Sep 2020
RC2: 'A New End-to-EndWorkflow for the Community Earth System Model(version 2.0) for CMIP6', Anonymous Referee #2, 29 Jul 2020
- AC2: 'Response to review RC2', S.A. Mickelson, 02 Sep 2020

Peer-review completion

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

AR by S.A. Mickelson on behalf of the Authors (04 Sep 2020) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (02 Oct 2020) by Sophie Valcke

Dear author,
Thank you for your revised manuscript that from my point of view answers all referee’s remarks. I just have the following comments that I would like you to consider before publishing the manuscript (the numbers of pages and lines refer to version 6 of the manuscript):
• L. 48. Consider putting the sentence at the past tense: “After the standardized data were verified by the scientist, it was …”
• L. 61 and L62. Consider putting a comma after “closed” and after “execution”
• L.62. Consider changing “open and close” for “openings and closings”
• L. 79-80-81: Consider putting this paragraph at the present tense.
• L. 116: Consider splitting the sentence into two: “… between variables. Therefore, some ranks …”
• Caption for Figure 3: Consider changing “existing” for “previous CMIP5 sequential”
• L 128- 134: Is this valid for CMIP5 and CMIP6? Can you specify?
• L. 134: can you give the more precise web reference?
• Figure 4 captions: maybe precise that the figure is for 3 MPI ranks?
• L. 147: the first part of the sentence “The number of MPI ranks within a subcommunicator was set to four, unless the total number of ranks was less than four …” does not make much sense to me, as it is obvious. Maybe rephrase?
• L. 201-205: can you clarify how much of this is automated?
• L. 265 and 266: don’t use the plural form “were” when you write “each of”
• L. 313: change “a hands” for “a hand”
• L. 324: consider merging the 2 sentences: “… our jobs, though our …”
• L. 345: consider adding “for CMIP6” after “these problems”
• L. 364: consider adding “in CMIP5” before “to know”
With best regards,
Sophie Valcke

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AR by S.A. Mickelson on behalf of the Authors (06 Oct 2020) Author's response Manuscript

ED: Publish subject to technical corrections (08 Oct 2020) by Sophie Valcke

AR by S.A. Mickelson on behalf of the Authors (08 Oct 2020) Author's response Manuscript

Short summary

Every generation of MIP exercises introduces new layers of complexity and an exponential growth in the amount of data requested. CMIP6 required us to develop a new tool chain and forced us to change our methodologies. The new methods discussed in this paper provided us with an 18 times faster speedup over our existing methods. This allowed us to meet our deadlines and we were able to publish more than half a million data sets on the Earth System Grid Federation (ESGF) for the CMIP6 project.