Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 1, issue 2
Articles | Volume 1, issue 2
https://doi.org/10.5194/wcd-1-715-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-1-715-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 1, issue 2
Research article
 | 
20 Nov 2020
Research article |  | 20 Nov 2020

The role of Barents–Kara sea ice loss in projected polar vortex changes

Marlene Kretschmer, Giuseppe Zappa, and Theodore G. Shepherd

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Short summary
The winds in the polar stratosphere affect the weather in the mid-latitudes, making it important to understand potential changes in response to global warming. However, climate model projections disagree on how this so-called polar vortex will change in the future. Here we show that sea ice loss in the Barents and Kara (BK) seas plays a central role in this. The time when the BK seas become ice-free differs between models, which explains some of the disagreement regarding vortex projections.
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