Hysteresis of idealized, instability-prone outlet glaciers under variation of pinning-point buttressing

• Main Authors: Feldmann, Johannes, Levermann, Anders, Winkelmann, Ricarda
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2024
• Subjects: article; Verlagsveröffentlichung; Antarctic; Pine Island Glacier; Thwaites Glacier; Antarc*; Ice Shelf
• Online Access: https://doi.org/10.5194/egusphere-2024-457; https://noa.gwlb.de/receive/cop_mods_00072236; https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00070459/egusphere-2024-457.pdf; https://egusphere.copernicus.org/preprints/2024/egusphere-2024-457/egusphere-2024-457.pdf

Ice rises or ice rumples act as ice-shelf pinning points that can have 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...