Articles | Volume 10, issue 5
The Cryosphere, 10, 1915–1932, 2016
https://doi.org/10.5194/tc-10-1915-2016
The Cryosphere, 10, 1915–1932, 2016
https://doi.org/10.5194/tc-10-1915-2016
Research article
05 Sep 2016
Research article | 05 Sep 2016

Sliding of temperate basal ice on a rough, hard bed: creep mechanisms, pressure melting, and implications for ice streaming

Maarten Krabbendam

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Short summary
The way that ice moves over rough ground at the base of an ice sheet is important to understand and predict the behaviour of ice sheets. Here, I argue that if basal ice is at the melting temperature, as is locally the case below the Greenland Ice Sheet, this basal motion is easier and faster than hitherto thought. A thick (tens of metres) layer of ice at the melting temperature may better explain some ice streams and needs to be taken into account when modelling future ice sheet behaviour.