The Cryosphere
The Cryosphere
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Articles | Volume 14, issue 6
Articles | Volume 14, issue 6
https://doi.org/10.5194/tc-14-2071-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-2071-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 6
Research article
 | 
25 Jun 2020
Research article |  | 25 Jun 2020

Measuring the location and width of the Antarctic grounding zone using CryoSat-2

Geoffrey J. Dawson and Jonathan L. Bamber

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Latest update: 11 Jul 2025
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Short summary
The grounding zone is where grounded ice begins to float and is the boundary at which the ocean has the most significant influence on the inland ice sheet. Here, we present the results of mapping the grounding zone of Antarctic ice shelves from CryoSat-2 radar altimetry. We found good agreement with previous methods that mapped the grounding zone. We also managed to map areas of Support Force Glacier and the Doake Ice Rumples (Filchner–Ronne Ice Shelf), which were previously incompletely mapped.
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