Articles | Volume 17, issue 1
https://doi.org/10.5194/cp-17-95-2021
https://doi.org/10.5194/cp-17-95-2021
Research article
 | 
12 Jan 2021
Research article |  | 12 Jan 2021

Impact of mid-glacial ice sheets on deep ocean circulation and global climate

Sam Sherriff-Tadano, Ayako Abe-Ouchi, and Akira Oka

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Latest update: 12 Dec 2024
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Short summary
We perform simulations of Marine Isotope Stage 3 and 5a with an atmosphere–ocean general circulation model to explore the effect of the southward expansion of mid-glacial ice sheets on the Atlantic Meridional Overturning Circulation (AMOC) and climate. We find that the southward expansion of the mid-glacial ice sheet causes a surface cooling over the North Atlantic and Southern Ocean, but it exerts a small impact on the AMOC due to the competing effects of surface wind and surface cooling.