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The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database

The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database
The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database

The early Eocene (56 to 48 million years ago) is inferred to have been the most recent time that Earth's atmospheric CO2 concentrations exceeded 1000 ppm. Global mean temperatures were also substantially warmer than those of the present day. As such, the study of early Eocene climate provides insight into how a super-warm Earth system behaves and offers an opportunity to evaluate climate models under conditions of high greenhouse gas forcing. The Deep Time Model Intercomparison Project (DeepMIP) is a systematic model-model and model-data intercomparison of three early Paleogene time slices: latest Paleocene, Paleocene-Eocene thermal maximum (PETM) and early Eocene climatic optimum (EECO). A previous article outlined the model experimental design for climate model simulations. In this article, we outline the methodologies to be used for the compilation and analysis of climate proxy data, primarily proxies for temperature and CO2. This paper establishes the protocols for a concerted and coordinated effort to compile the climate proxy records across a wide geographic range. The resulting climate "atlas" will be used to constrain and evaluate climate models for the three selected time intervals and provide insights into the mechanisms that control these warm climate states. We provide version 0.1 of this database, in anticipation that this will be expanded in subsequent publications.

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Dickens, Gerald R.
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Frieling, Joost
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Kennedy, Elizabeth M.
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Kozdon, Reinhard
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Pälike, Heiko
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Pearson, Paul N.
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Röhl, Ursula
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Tripati, Aradhna
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Huber, Matthew
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Lunt, Daniel J.
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Hollis, Christopher J.
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Dunkley Jones, Tom
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Anagnostou, Eleni
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Bijl, Peter K.
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Cramwinckel, Margot J.
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Eley, Yvette
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Kennedy, Elizabeth M.
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Kozdon, Reinhard
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Röhl, Ursula
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Royer, Dana L.
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Schubert, Brian A.
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Seebeck, Hannu
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Tierney, Jessica
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Tripati, Aradhna
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Wade, Bridget
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Westerhold, Thomas
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Witkowski, Caitlyn
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Huber, Matthew
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Lunt, Daniel J.
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Hollis, Christopher J., Dunkley Jones, Tom, Anagnostou, Eleni, Bijl, Peter K., Cramwinckel, Margot J., Cui, Ying, Dickens, Gerald R., Edgar, Kirsty M., Eley, Yvette, Evans, David, Foster, Gavin L., Frieling, Joost, Inglis, Gordon N., Kennedy, Elizabeth M., Kozdon, Reinhard, Lauretano, Vittoria, Lear, Caroline H., Littler, Kate, Lourens, Lucas, Nele Meckler, A., Naafs, B. David A., Pälike, Heiko, Pancost, Richard D., Pearson, Paul N., Röhl, Ursula, Royer, Dana L., Salzmann, Ulrich, Schubert, Brian A., Seebeck, Hannu, Sluijs, Appy, Speijer, Robert P., Stassen, Peter, Tierney, Jessica, Tripati, Aradhna, Wade, Bridget, Westerhold, Thomas, Witkowski, Caitlyn, Zachos, James C., Ge Zhang, Yi, Huber, Matthew and Lunt, Daniel J. (2019) The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database. Geoscientific Model Development, 12 (7), 3149-3206. (doi:10.5194/gmd-12-3149-2019).

Record type: Review

Abstract

The early Eocene (56 to 48 million years ago) is inferred to have been the most recent time that Earth's atmospheric CO2 concentrations exceeded 1000 ppm. Global mean temperatures were also substantially warmer than those of the present day. As such, the study of early Eocene climate provides insight into how a super-warm Earth system behaves and offers an opportunity to evaluate climate models under conditions of high greenhouse gas forcing. The Deep Time Model Intercomparison Project (DeepMIP) is a systematic model-model and model-data intercomparison of three early Paleogene time slices: latest Paleocene, Paleocene-Eocene thermal maximum (PETM) and early Eocene climatic optimum (EECO). A previous article outlined the model experimental design for climate model simulations. In this article, we outline the methodologies to be used for the compilation and analysis of climate proxy data, primarily proxies for temperature and CO2. This paper establishes the protocols for a concerted and coordinated effort to compile the climate proxy records across a wide geographic range. The resulting climate "atlas" will be used to constrain and evaluate climate models for the three selected time intervals and provide insights into the mechanisms that control these warm climate states. We provide version 0.1 of this database, in anticipation that this will be expanded in subsequent publications.

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Accepted/In Press date: 3 July 2019
Published date: 25 July 2019

Identifiers

Local EPrints ID: 433133
URI: http://eprints.soton.ac.uk/id/eprint/433133
ISSN: 1991-959X
PURE UUID: bc11aa01-f776-47c0-b936-a325f1ab287a
ORCID for Margot J. Cramwinckel: ORCID iD orcid.org/0000-0002-6063-836X
ORCID for Gavin L. Foster: ORCID iD orcid.org/0000-0003-3688-9668

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Date deposited: 09 Aug 2019 16:30
Last modified: 18 Feb 2021 17:42

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Contributors

Author: Christopher J. Hollis
Author: Tom Dunkley Jones
Author: Eleni Anagnostou
Author: Peter K. Bijl
Author: Ying Cui
Author: Gerald R. Dickens
Author: Kirsty M. Edgar
Author: Yvette Eley
Author: David Evans
Author: Gavin L. Foster ORCID iD
Author: Joost Frieling
Author: Elizabeth M. Kennedy
Author: Reinhard Kozdon
Author: Vittoria Lauretano
Author: Caroline H. Lear
Author: Kate Littler
Author: Lucas Lourens
Author: A. Nele Meckler
Author: B. David A. Naafs
Author: Heiko Pälike
Author: Richard D. Pancost
Author: Paul N. Pearson
Author: Ursula Röhl
Author: Dana L. Royer
Author: Ulrich Salzmann
Author: Brian A. Schubert
Author: Hannu Seebeck
Author: Appy Sluijs
Author: Robert P. Speijer
Author: Peter Stassen
Author: Jessica Tierney
Author: Aradhna Tripati
Author: Bridget Wade
Author: Thomas Westerhold
Author: Caitlyn Witkowski
Author: James C. Zachos
Author: Yi Ge Zhang
Author: Matthew Huber
Author: Daniel J. Lunt

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