Articles | Volume 11, issue 12
Geosci. Model Dev., 11, 5149–5172, 2018
https://doi.org/10.5194/gmd-11-5149-2018
Geosci. Model Dev., 11, 5149–5172, 2018
https://doi.org/10.5194/gmd-11-5149-2018

Model description paper 20 Dec 2018

Model description paper | 20 Dec 2018

A continuum model (PSUMEL1) of ice mélange and its role during retreat of the Antarctic Ice Sheet

David Pollard 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
AR by David Pollard on behalf of the Authors (17 May 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (21 Jun 2018) by Philippe Huybrechts
RR by Jason Amundson (16 Jul 2018)
ED: Reconsider after major revisions (12 Nov 2018) by Didier Roche
AR by David Pollard on behalf of the Authors (23 Nov 2018)  Author's response    Manuscript
ED: Publish as is (04 Dec 2018) by Didier Roche
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Short summary
Around the margins of ice sheets in contact with the ocean, calving of icebergs can generate large amounts of floating ice debris called "mélange". In major Greenland fjords, mélange significantly slows down ice flow from upstream. Our study applies numerical models to past and possible future episodes of rapid Antarctic Ice Sheet retreat. We find that, due to larger spatial scales, Antarctic mélange does not significantly impede flow or slow ice retreat and associated sea level rise.