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

• Published in: The Cryosphere
• Main Authors: Hogan, Kelly A., Larter, Robert D., Graham, Alastair G.C., Arthern, Robert, Kirkham, James D., Minzoni, Rebecca Totten, Jordan, Tom A., Clark, Rachel, Fitzgerald, Victoria, Wåhlin, Anna K., Anderson, John B., Hillenbrand, Claus-Dieter, Nitsche, Frank O., Simkins, Lauren, Smith, James A., Gohl, Karsten, Arndt, Jan Erik, Hong, Jongkuk, Wellner, Julia
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2020
• Subjects: Thwaites Glacier; Antarc*; Ice Sheet; Ice Shelf; Sea ice; The Cryosphere
• Online Access: https://hdl.handle.net/1911/109566; https://doi.org/10.5194/tc-14-2883-2020

The geometry of the sea floor immediately beyond Antarctica's marine-terminating glaciers is a fundamental control on warm-water routing, but it also describes former topographic pinning points that have been important for ice-shelf buttressing. Unfortunately, this information is often lacking...