Timescales of outlet-glacier flow with negligible basal friction: theory, observations and modeling

• Published in: The Cryosphere
• Main Authors: Feldmann, Johannes, Levermann, Anders
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2023
• Subjects: article; Verlagsveröffentlichung; Antarctic; East Antarctica; Greenland; Mellor; Misi; Pine Island Glacier; Thwaites Glacier; West Antarctica; Antarc*; Antarctica; glacier; Ice Sheet; Pine Island; The Cryosphere
• Online Access: https://doi.org/10.5194/tc-17-327-2023; https://noa.gwlb.de/receive/cop_mods_00064607; https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00063356/tc-17-327-2023.pdf; https://tc.copernicus.org/articles/17/327/2023/tc-17-327-2023.pdf

The timescales of the flow and retreat of Greenland's and Antarctica's outlet glaciers and their potential instabilities are arguably the largest uncertainty in future sea-level projections. Here we derive a scaling relation that allows the comparison of the timescales of observed complex...