Articles | Volume 17, issue 1
Clim. Past, 17, 111–131, 2021
https://doi.org/10.5194/cp-17-111-2021
Clim. Past, 17, 111–131, 2021
https://doi.org/10.5194/cp-17-111-2021
Research article
12 Jan 2021
Research article | 12 Jan 2021

Can we reconstruct the formation of large open-ocean polynyas in the Southern Ocean using ice core records?

Hugues Goosse et al.

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Latest update: 29 Jun 2022
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Short summary
Polynyas are ice-free oceanic areas within the sea ice pack. Small polynyas are regularly observed in the Southern Ocean, but large open-ocean polynyas have been rare over the past decades. Using records from available ice cores in Antarctica, we reconstruct past polynya activity and confirm that those events have also been rare over the past centuries, but the information provided by existing data is not sufficient to precisely characterize the timing of past polynya opening.