Using results from the PlioMIP ensemble to investigate the Greenland Ice Sheet during the mid-Pliocene Warm Period

Dolan, A. M.; Hunter, S. J.; Hill, D. J.; Haywood, A. M.; Koenig, S. J.; Otto-Bliesner, B. L.; Abe-Ouchi, A.; Bragg, F.; Chan, W.-L.; Chandler, M. A.; Contoux, C.; Jost, A.; Kamae, Y.; Lohmann, G.; Lunt, D. J.; Ramstein, G.; Rosenbloom, N. A.; Sohl, L.; Stepanek, C.; Ueda, H.; Yan, Q.; Zhang, Z.

doi:https://doi.org/10.5194/cp-11-403-2015

Articles | Volume 11, issue 3

https://doi.org/10.5194/cp-11-403-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/cp-11-403-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 11, issue 3

Research article

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05 Mar 2015

Research article | Highlight paper |

| 05 Mar 2015

Using results from the PlioMIP ensemble to investigate the Greenland Ice Sheet during the mid-Pliocene Warm Period

A. M. Dolan, S. J. Hunter, D. J. Hill, A. M. Haywood, S. J. Koenig, B. L. Otto-Bliesner, A. Abe-Ouchi, F. Bragg, W.-L. Chan, M. A. Chandler, C. Contoux, A. Jost, Y. Kamae, G. Lohmann, D. J. Lunt, G. Ramstein, N. A. Rosenbloom, L. Sohl, C. Stepanek, H. Ueda, Q. Yan, and Z. Zhang

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Final revised paper (published on 05 Mar 2015)
Supplement to the final revised paper
Preprint (discussion started on 26 Aug 2014)

Interactive discussion

Status: closed

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

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RC C1637: 'Review by Bas de Boer', Bas de Boer, 02 Oct 2014
- AC C2238: 'Response to reviewer 1 for paper: Using results from the PlioMIP ensemble to investigate the Greenland Ice Sheet during the warm Pliocene', Aisling Dolan, 28 Jan 2015
RC C1677: 'Review of Dolan et al.', Anonymous Referee #2, 16 Oct 2014
- AC C2248: 'Response to reviewer 2 for paper: Using results from the PlioMIP ensemble to investigate the Greenland Ice Sheet during the warm Pliocene', Aisling Dolan, 28 Jan 2015

Peer-review completion

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

AR by Aisling Dolan on behalf of the Authors (28 Jan 2015) Author's response Manuscript

ED: Publish subject to technical corrections (02 Feb 2015) by Marie-France Loutre

Dear authors,

I read your final response to the interactive comments and the revised manuscript that you provided. I am rather happy with what you wrote and I think that your manuscript is almost ready for publication. However, there is still the pending issue of the use of mid-Pliocene. As far as I understand, on a stratigraphic point of view, the term ‘mid-Pliocene’ is not used anymore. Indeed the Pliocene is now subdivided into Late and Early Pliocene (see the ICS). However, I understand that for your simulations you would like to keep the term that is commonly used in the modelling community. This is now also clearly explained in the paper. However, I would like you to be more cautious in your paper. When you are discussing reconstruction (such as temperature), which are directly related to geological evidence, I strongly invite you to avoid the use of mid-Pliocene. In particular, you start your abstract with « During the mid-Pliocene Warm Period ». I do not think that it is a good idea and I strongly  invite you to carefully revise this formulation. When comparing the mid-Pliocene simulations to the pre-industrial ones (either in the text or in the figure caption), you used either mid-Pliocene or Pliocene. Please check that it is consistent. Along the same line, you agreed with referee #2 to use ‘mid-Pliocene’ in the title. I am not convinced that it is a good idea. However, I leave it to you to decide.

The following comments are minor.
• In the response to referee #1, you wrote that « The unit of mean annual precipitation has not been changed as in its current state (mm per year) … » but in the table, the unit is mm day-1. Could you please check.
• Line 1045 of the revised manuscript. Change foe into for.
• Table 5 : (Krinner et al., 2005) is between parentheses while the other references are not. If there is not special reason, please standardize.

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AR by Aisling Dolan on behalf of the Authors (10 Feb 2015) Author's response Manuscript

Short summary

Climate and ice sheet models are often used to predict the nature of ice sheets in Earth history. It is important to understand whether such predictions are consistent among different models, especially in warm periods of relevance to the future. We use input from 15 different climate models to run one ice sheet model and compare the predictions over Greenland. We find that there are large differences between the predicted ice sheets for the warm Pliocene (c. 3 million years ago).