Ocean Science
Ocean Science
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Articles | Volume 16, issue 6
Articles | Volume 16, issue 6
https://doi.org/10.5194/os-16-1443-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-16-1443-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 6
Research article
 | 
23 Nov 2020
Research article |  | 23 Nov 2020

Multidecadal preconditioning of the Maud Rise polynya region

René M. van Westen and Henk A. Dijkstra

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Short summary
During the mid-1970s and quite recently in 2017, a large open-water area appeared in the Antarctic sea-ice pack, the so-called Maud Rise polynya. From several model studies, the reoccurrence time of this polynya seems arbitrary. In this study, we address the reoccurrence time of the polynya using a high-resolution climate model. We find a preferred multidecadal return time in polynya formation. The return time of the polynya is associated with a large-scale ocean mode in the Southern Ocean.
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