Articles | Volume 14, issue 6
https://doi.org/10.5194/tc-14-2115-2020
https://doi.org/10.5194/tc-14-2115-2020
Research article
 | 
30 Jun 2020
Research article |  | 30 Jun 2020

Past ice sheet–seabed interactions in the northeastern Weddell Sea embayment, Antarctica

Jan Erik Arndt, Robert D. Larter, Claus-Dieter Hillenbrand, Simon H. Sørli, Matthias Forwick, James A. Smith, and Lukas Wacker

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Short summary
We interpret landforms on the seabed and investigate sediment cores to improve our understanding of the past ice sheet development in this poorly understood part of Antarctica. Recent crack development of the Brunt ice shelf has raised concerns about its stability and the security of the British research station Halley. We describe ramp-shaped bedforms that likely represent ice shelf grounding and stabilization locations of the past that may reflect an analogue to the process going on now.