Articles | Volume 18, issue 4
https://doi.org/10.5194/tc-18-1733-2024
https://doi.org/10.5194/tc-18-1733-2024
Research article
 | 
12 Apr 2024
Research article |  | 12 Apr 2024

Alpine topography of the Gamburtsev Subglacial Mountains, Antarctica, mapped from ice sheet surface morphology

Edmund J. Lea, Stewart S. R. Jamieson, and Michael J. Bentley

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Latest update: 21 Jun 2024
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Short summary
We use the ice surface expression of the Gamburtsev Subglacial Mountains in East Antarctica to map the horizontal pattern of valleys and ridges in finer detail than possible from previous methods. In upland areas, valleys are spaced much less than 5 km apart, with consequences for the distribution of melting at the bed and hence the likelihood of ancient ice being preserved. Automated mapping techniques were tested alongside manual approaches, with a hybrid approach recommended for future work.