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The Cryosphere An interactive open-access journal of the European Geosciences Union
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The sea-floor geometry around the rapidly changing Thwaites Glacier is a key control on warm ocean waters reaching the ice shelf and grounding zone beyond. This area was previously unsurveyed due to icebergs and sea-ice cover. The International Thwaites Glacier Collaboration mapped this area for the first time in 2019. The data reveal troughs over 1200 m deep and, as this region is thought to have only ungrounded recently, provide key insights into the morphology beneath the grounded ice sheet.
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TC | Articles | Volume 14, issue 9
TC | Articles | Volume 14, issue 9
The Cryosphere, 14, 2883–2908, 2020
https://doi.org/10.5194/tc-14-2883-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 14, 2883–2908, 2020
https://doi.org/10.5194/tc-14-2883-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
TC | Articles | Volume 14, issue 9

Research article 09 Sep 2020

Research article | 09 Sep 2020

Revealing the former bed of Thwaites Glacier using sea-floor bathymetry: implications for warm-water routing and bed controls on ice flow and buttressing

Kelly A. Hogan et al.

Supplement

https://doi.org/10.5194/tc-14-2883-2020-supplement

Data sets

A multibeam-bathymetric compilation for the southern Amundsen Sea shelf, 1999--2019 (Version 1.0) K. A. Hogan, R. D. Larter, A. G. C. Graham, F. O. Nitsche, J. D. Kirkham, R. Totten Minzoni, R. Clark, V. Fitzgerald, J. B. Anderson, C.-D. Hillenbrand, L. Simkins, J. A. Smith, K. Gohl, J. E. Arndt, J. Hong, K. J. Heywood, E. P. Abrahamsen, A. F. Thompson, R. Dunbar, and J. S. Wellner https://doi.org/10.5285/F2DFEDA9-BF44-4EF5-89A3-EE5E434A385C

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Short summary
The sea-floor geometry around the rapidly changing Thwaites Glacier is a key control on warm ocean waters reaching the ice shelf and grounding zone beyond. This area was previously unsurveyed due to icebergs and sea-ice cover. The International Thwaites Glacier Collaboration mapped this area for the first time in 2019. The data reveal troughs over 1200 m deep and, as this region is thought to have only ungrounded recently, provide key insights into the morphology beneath the grounded ice sheet.
Read more
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The Cryosphere

An interactive open-access journal of the European Geosciences Union

All site content, except where otherwise noted, is licensed under the Creative Commons Attribution 4.0 License.
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