Articles | Volume 13, issue 11
https://doi.org/10.5194/tc-13-3061-2019
https://doi.org/10.5194/tc-13-3061-2019
Research article
 | 
20 Nov 2019
Research article |  | 20 Nov 2019

Thickness of the divide and flank of the West Antarctic Ice Sheet through the last deglaciation

Perry Spector, John Stone, and Brent Goehring

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Short summary
We describe constraints on the thickness of the interior of the West Antarctic Ice Sheet (WAIS) through the last deglaciation. Our data imply that the ice-sheet divide between the Ross and Weddell sea sectors of the WAIS was thicker than present for a period less than ~ 8 kyr within the past ~ 15 kyr. These results are consistent with the hypothesis that the divide initially thickened due to the deglacial rise in snowfall and subsequently thinned in response to retreat of the ice-sheet margin.