The Cryosphere
The Cryosphere
TC
Articles | Volume 13, issue 1
Articles | Volume 13, issue 1
https://doi.org/10.5194/tc-13-79-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-13-79-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 1
Research article
 | 
10 Jan 2019
Research article |  | 10 Jan 2019

Arctic sea-ice-free season projected to extend into autumn

Marion Lebrun, Martin Vancoppenolle, Gurvan Madec, and François Massonnet

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Short summary
The present analysis shows that the increase in the Arctic ice-free season duration will be asymmetrical, with later autumn freeze-up contributing about twice as much as earlier spring retreat. This feature is robustly found in a hierarchy of climate models and is consistent with a simple mechanism: solar energy is absorbed more efficiently than it can be released in non-solar form and should emerge out of variability within the next few decades.
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