Articles | Volume 18, issue 3
https://doi.org/10.5194/tc-18-1125-2024
https://doi.org/10.5194/tc-18-1125-2024
Research article
 | 
08 Mar 2024
Research article |  | 08 Mar 2024

The staggered retreat of grounded ice in the Ross Sea, Antarctica, since the Last Glacial Maximum (LGM)

Matthew A. Danielson and Philip J. Bart

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Short summary
The post-Last Glacial Maximum (LGM) retreat of the West Antarctic Ice Sheet in the Ross Sea was more significant than for any other Antarctic sector. Here we combined the available dates of retreat with new mapping of sediment deposited by the ice sheet during overall retreat. Our work shows that the post-LGM retreat through the Ross Sea was not uniform. This uneven retreat can cause instability in the present-day Antarctic ice sheet configuration and lead to future runaway retreat.