Articles | Volume 21, issue 8
https://doi.org/10.5194/cp-21-1443-2025
© Author(s) 2025. 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-21-1443-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Multi-model assessment of the deglacial climatic evolution at high southern latitudes
Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan
Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan
Laurie Menviel
Climate Change Research Center, The Australian Centre for Excellence in Antarctic Science, the University of New South Wales, Sydney, Australia
Ayako Abe-Ouchi
Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan
Tristan Vadsaria
Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan
Centre for Arctic Gas Hydrate, Environment and Climate, UiT The Arctic University of Norway, Tromsø, Norway
now at: Biogéosciences, UMR 6282 CNRS, Université Bourgogne Europe, 6 boulevard Gabriel, 21000 Dijon, France
Ruza Ivanovic
School of Earth & Environment, University of Leeds, Woodhouse Lane, Leeds, UK
Brooke Snoll
School of Earth & Environment, University of Leeds, Woodhouse Lane, Leeds, UK
Sam Sherriff-Tadano
School of Earth & Environment, University of Leeds, Woodhouse Lane, Leeds, UK
Paul J. Valdes
School of Geographical Sciences, University of Bristol, University Road, Bristol, UK
Lauren Gregoire
School of Earth & Environment, University of Leeds, Woodhouse Lane, Leeds, UK
Marie-Luise Kapsch
Max Planck Institute for Meteorology, Hamburg, Germany
Uwe Mikolajewicz
Max Planck Institute for Meteorology, Hamburg, Germany
Nathaelle Bouttes
Laboratoire des Sciences du Climat et de l'Environnement/Institut Pierre-Simon Laplace, UMR CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Didier Roche
Laboratoire des Sciences du Climat et de l'Environnement/Institut Pierre-Simon Laplace, UMR CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Fanny Lhardy
Laboratoire des Sciences du Climat et de l'Environnement/Institut Pierre-Simon Laplace, UMR CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
now at: Laboratoire de Géologie de Lyon Terre – Planètes – Environnement, École Normale Supérieure de Lyon, 46, allée d'Italie, 69007 Lyon, France
Chengfei He
Woods Hole Oceanographic Institution, Woods Hole, MA, USA
Bette Otto-Bliesner
Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, USA
Zhengyu Liu
Atmospheric Science Program, Department of Geography, Ohio State University, Columbus, USA
Wing-Le Chan
Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan
Data sets
Model data for the figures of Obase et al. entitled "Multi-model assessment of the deglacial climatic evolution at high southern latitudes" Takashi Obase https://doi.org/10.5281/zenodo.15428747
Short summary
This study analyses transient simulations of the last deglaciation performed by six climate models to understand the processes driving high-southern-latitude temperature changes. We find that atmospheric CO2 and AMOC (Atlantic Meridional Overturning Circulation) changes are the primary drivers of the warming and cooling during the middle stage of the deglaciation. The analysis highlights the model's sensitivity of CO2 and AMOC to meltwater and the meltwater history of temperature changes at high southern latitudes.
This study analyses transient simulations of the last deglaciation performed by six climate...