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

• Published in: The Cryosphere
• Main Authors: Feldmann, Johannes, Levermann, Anders
• Format: Text
• Language: English
• Published: 2023
• Subjects: Antarctic; East Antarctica; Greenland; Mellor; Misi; Pine Island Glacier; Thwaites Glacier; West Antarctica; Antarc*; Antarctica; glacier; Ice Sheet; Pine Island
• Online Access: https://doi.org/10.5194/tc-17-327-2023; https://tc.copernicus.org/articles/17/327/2023/

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...