The DeepMIP contribution to PMIP4: experimental design for model simulations of the EECO, PETM, and pre-PETM (version 1.0)

Lunt, Daniel J.; Huber, Matthew; Anagnostou, Eleni; Baatsen, Michiel L. J.; Caballero, Rodrigo; DeConto, Rob; Dijkstra, Henk A.; Donnadieu, Yannick; Evans, David; Feng, Ran; Foster, Gavin L.; Gasson, Ed; von der Heydt, Anna S.; Hollis, Chris J.; Inglis, Gordon N.; Jones, Stephen M.; Kiehl, Jeff; Kirtland Turner, Sandy; Korty, Robert L.; Kozdon, Reinhardt; Krishnan, Srinath; Ladant, Jean-Baptiste; Langebroek, Petra; Lear, Caroline H.; LeGrande, Allegra N.; Littler, Kate; Markwick, Paul; Otto-Bliesner, Bette; Pearson, Paul; Poulsen, Christopher J.; Salzmann, Ulrich; Shields, Christine; Snell, Kathryn; Stärz, Michael; Super, James; Tabor, Clay; Tierney, Jessica E.; Tourte, Gregory J. L.; Tripati, Aradhna; Upchurch, Garland R.; Wade, Bridget S.; Wing, Scott L.; Winguth, Arne M. E.; Wright, Nicky M.; Zachos, James C.; Zeebe, Richard E.

doi:https://doi.org/10.5194/gmd-10-889-2017

Articles | Volume 10, issue 2

https://doi.org/10.5194/gmd-10-889-2017

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

Special issue:

Paleoclimate Modelling Intercomparison Project phase 4 (PMIP4)...

https://doi.org/10.5194/gmd-10-889-2017

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

Articles | Volume 10, issue 2

Model experiment description paper

|

23 Feb 2017

Model experiment description paper |

| 23 Feb 2017

The DeepMIP contribution to PMIP4: experimental design for model simulations of the EECO, PETM, and pre-PETM (version 1.0)

Daniel J. Lunt, Matthew Huber, Eleni Anagnostou, Michiel L. J. Baatsen, Rodrigo Caballero, Rob DeConto, Henk A. Dijkstra, Yannick Donnadieu, David Evans, Ran Feng, Gavin L. Foster, Ed Gasson, Anna S. von der Heydt, Chris J. Hollis, Gordon N. Inglis, Stephen M. Jones, Jeff Kiehl, Sandy Kirtland Turner, Robert L. Korty, Reinhardt Kozdon, Srinath Krishnan, Jean-Baptiste Ladant, Petra Langebroek, Caroline H. Lear, Allegra N. LeGrande, Kate Littler, Paul Markwick, Bette Otto-Bliesner, Paul Pearson, Christopher J. Poulsen, Ulrich Salzmann, Christine Shields, Kathryn Snell, Michael Stärz, James Super, Clay Tabor, Jessica E. Tierney, Gregory J. L. Tourte, Aradhna Tripati, Garland R. Upchurch, Bridget S. Wade, Scott L. Wing, Arne M. E. Winguth, Nicky M. Wright, James C. Zachos, and Richard E. Zeebe

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Final revised paper (published on 23 Feb 2017)
Supplement to the final revised paper
Preprint (discussion started on 21 Jun 2016)

Interactive discussion

Status: closed

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

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- Supplement

SC1: 'Executive Editor Comment on "DeepMIP: experimental design for model simulations of the EECO, PETM, and pre-PETM"', Astrid Kerkweg, 04 Jul 2016
- EC1: 'reply to exec ed', Julia Hargreaves, 04 Jul 2016
  - SC2: 'Reply to Editor Comment', Astrid Kerkweg, 04 Jul 2016
    - EC2: 'reply to reply of exec ed', Julia Hargreaves, 04 Jul 2016
RC1: 'Review of DeepMIP paper', Anonymous Referee #1, 09 Aug 2016
RC2: 'Review of DeepMIP protocol', Anonymous Referee #2, 17 Aug 2016
EC3: 'Editor's comments', Julia Hargreaves, 29 Sep 2016
AC1: 'Response to Reviewers and Editor.', Dan Lunt, 11 Dec 2016

Peer-review completion

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

AR by Dan Lunt on behalf of the Authors (11 Dec 2016) Author's response Manuscript

ED: Publish subject to minor revisions (Editor review) (15 Jan 2017) by Julia Hargreaves

Dear Dan,

The paper is hugely improved. Just a few minor comments.

Since the reviewer thought it was misleading, I checked with CMIP6, and for the sentence explaining the relationship between DEEPMIP, PMIP and CMIP, please write the following,
"DeepMIP is a working group in the wider Paleoclimate Modelling Intercomparison Project (PMIP4), which itself is a part of the sixth phase of the Coupled Model Intercomparison Project (CMIP6, Eyring et al., 2016)." Please include Eyring et al in the reference list.

For the data availability, please can you clarify the level of public access for the PMIP and DeepMIP databases? If it is not to be entirely public, how may potential users gain access?
Please also clarify in the data availability section what it is that is contained in table 2. Does this cover all the boundary conditions for all the other experiments?

With regard to this, "We strongly recommend that all model output should be provided in CMIP6-compliant netcdf format, including the standard PMIP variables, and uploaded to the anticipated PMIP database. However, if this is not possible, then netcdf files of the variables in Appendix A, including Tables 3-5, should be uploaded to the DeepMIP Modelling Database, which will be set up if and when required." ... as I read it, there are two things here that are being discussed as if they were one thing. One is the ability to produce CMIP6-compliant netcdf files, and the second is the ability to produce all the PMIP standard variables. I think these two issues should be discussed separately so that it is clearly stated under what conditions the DeepMIP database should be used.

I am a bit confused by the addition of more authors at this stage, when the revision has mostly consisted of improving the explanation and context. I think it would be a appropriate to add a paragraph outlining the author contributions.

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AR by Dan Lunt on behalf of the Authors (23 Jan 2017) Author's response Manuscript

ED: Publish as is (24 Jan 2017) by Julia Hargreaves

AR by Dan Lunt on behalf of the Authors (25 Jan 2017)

Short summary

In this paper we describe the experimental design for a set of simulations which will be carried out by a range of climate models, all investigating the climate of the Eocene, about 50 million years ago. The intercomparison of model results is called 'DeepMIP', and we anticipate that we will contribute to the next IPCC report through an analysis of these simulations and the geological data to which we will compare them.