Articles | Volume 17, issue 1
https://doi.org/10.5194/cp-17-203-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-17-203-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
15 Jan 2021
Research article |
| 15 Jan 2021
| 15 Jan 2021
DeepMIP: model intercomparison of early Eocene climatic optimum (EECO) large-scale climate features and comparison with proxy data
School of Geographical Sciences, University of Bristol, Bristol, UK
Fran Bragg
School of Geographical Sciences, University of Bristol, Bristol, UK
Wing-Le Chan
Atmosphere and Ocean Research Institute, University of Tokyo, Tokyo, Japan
David K. Hutchinson
Department of Geological Sciences, Stockholm University, Stockholm, Sweden
Jean-Baptiste Ladant
Department of Earth and Environmental Science, University of Michigan, Ann Arbor, USA
Polina Morozova
Institute of Geography, Russian Academy of Sciences, Moscow, Russia
Igor Niezgodzki
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
ING PAN – Institute of Geological Sciences, Polish Academy of Sciences, Research Center in Kraków, Biogeosystem Modelling Group, Kraków, Poland
Sebastian Steinig
School of Geographical Sciences, University of Bristol, Bristol, UK
Zhongshi Zhang
NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research, Bergen, Norway
Department of Atmospheric Science, School of Environmental Studies, China University of Geosciences, Wuhan, China
Jiang Zhu
Department of Earth and Environmental Science, University of Michigan, Ann Arbor, USA
Ayako Abe-Ouchi
Atmosphere and Ocean Research Institute, University of Tokyo, Tokyo, Japan
Eleni Anagnostou
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Agatha M. de Boer
Department of Geological Sciences, Stockholm University, Stockholm, Sweden
Helen K. Coxall
Department of Geological Sciences, Stockholm University, Stockholm, Sweden
Yannick Donnadieu
Aix Marseille Univ, CNRS, IRD, INRA, Coll France, CEREGE, Aix-en-Provence, France
Gavin Foster
School of Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Southampton, UK
Gordon N. Inglis
School of Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Southampton, UK
Gregor Knorr
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Petra M. Langebroek
NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research, Bergen, Norway
Caroline H. Lear
School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK
Gerrit Lohmann
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Christopher J. Poulsen
Department of Earth and Environmental Science, University of Michigan, Ann Arbor, USA
Pierre Sepulchre
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL, CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Jessica E. Tierney
Department of Geosciences, University of Arizona, Tucson, USA
Paul J. Valdes
School of Geographical Sciences, University of Bristol, Bristol, UK
Evgeny M. Volodin
Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Russia
Tom Dunkley Jones
School of Geography, Earth and Environmental Sciences, Birmingham University, Birmingham, UK
Christopher J. Hollis
Surface Geosciences, GNS Science, Lower Hutt, New Zealand
Matthew Huber
Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, USA
Bette L. Otto-Bliesner
Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, USA
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Latest update: 06 Nov 2025
Short summary
This paper presents the first modelling results from the Deep-Time Model Intercomparison Project (DeepMIP), in which we focus on the early Eocene climatic optimum (EECO, 50 million years ago). We show that, in contrast to previous work, at least three models (CESM, GFDL, and NorESM) produce climate states that are consistent with proxy indicators of global mean temperature and polar amplification, and they achieve this at a CO2 concentration that is consistent with the CO2 proxy record.
This paper presents the first modelling results from the Deep-Time Model Intercomparison Project...
