Articles | Volume 15, issue 7
The Cryosphere, 15, 3401–3421, 2021
https://doi.org/10.5194/tc-15-3401-2021
The Cryosphere, 15, 3401–3421, 2021
https://doi.org/10.5194/tc-15-3401-2021

Research article 21 Jul 2021

Research article | 21 Jul 2021

Spaceborne infrared imagery for early detection of Weddell Polynya opening

Céline Heuzé et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (06 Feb 2021) by Jennifer Hutchings
AR by Céline Heuzé on behalf of the Authors (06 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (13 Feb 2021) by Jennifer Hutchings
RR by Anonymous Referee #3 (28 Feb 2021)
ED: Reconsider after major revisions (further review by editor and referees) (09 Mar 2021) by Jennifer Hutchings
AR by Céline Heuzé on behalf of the Authors (07 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to revisions (further review by editor and referees) (18 May 2021) by Jennifer Hutchings
AR by Céline Heuzé on behalf of the Authors (22 Jun 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (24 Jun 2021) by Jennifer Hutchings
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Short summary
For navigation or science planning, knowing when sea ice will open in advance is a prerequisite. Yet, to date, routine spaceborne microwave observations of sea ice are unable to do so. We present the first method based on spaceborne infrared that can forecast an opening several days ahead. We develop it specifically for the Weddell Polynya, a large hole in the Antarctic winter ice cover that unexpectedly re-opened for the first time in 40 years in 2016, and determine why the polynya opened.