Hysteresis of idealized, instability-prone outlet glaciers in response to pinning-point buttressing variation

• Published in: The Cryosphere
• Main Authors: Feldmann, Johannes, Levermann, Anders, Winkelmann, Ricarda
• Format: Text
• Language: English
• Published: 2024
• Subjects: Pine Island Glacier; Thwaites Glacier; Antarc*; Ice Shelf
• Online Access: https://doi.org/10.5194/tc-18-4011-2024; https://tc.copernicus.org/articles/18/4011/2024/

Ice rises or ice rumples act as ice-shelf pinning points that can play an important role in regulating the ice discharge of marine outlet glaciers. As an example, the observed recent gradual ungrounding of the ice shelf of West Antarctica's Thwaites Glacier from its last pinning points likely d...