Evidence of marine ice-cliff instability in Pine Island Bay from iceberg-keel plough marks.

• Main Authors: Wise, Matthew G, Dowdeswell, Julian A, Jakobsson, Martin, Larter, Robert D
• Format: Article in Journal/Newspaper
• Language: English
• Published: Springer Science and Business Media LLC 2017
• Subjects: 0406 Physical Geography and Environmental Geoscience; 0403 Geology; Antarctic; The Antarctic; West Antarctica; Island Bay; Pine Island Bay; Buttress; Antarc*; Antarctica; Ice Sheet; Ice Shelves; Iceberg*; Pine Island
• Online Access: https://www.repository.cam.ac.uk/handle/1810/275729; https://doi.org/10.17863/CAM.22993

Marine ice-cliff instability (MICI) processes could accelerate future retreat of the Antarctic Ice Sheet if ice shelves that buttress grounding lines more than 800 metres below sea level are lost. The present-day grounding zones of the Pine Island and Thwaites glaciers in West Antarctica need to ret...