Articles | Volume 11, issue 1
https://doi.org/10.5194/essd-11-375-2019
https://doi.org/10.5194/essd-11-375-2019
12 Mar 2019
 | 12 Mar 2019

Geology datasets in North America, Greenland and surrounding areas for use with ice sheet models

Evan J. Gowan, Lu Niu, Gregor Knorr, and Gerrit Lohmann

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Latest update: 14 Dec 2024
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Short summary
The speed of ice sheet flow is largely controlled by the strength of the ice–bed interface. We present three datasets on the geological properties of regions in North America, Greenland and Iceland that were covered by Quaternary ice sheets. These include the grain size of glacial sediments, the continuity of sediment cover and bedrock geology. Simple ice modelling experiments show that altering the basal strength of the ice sheet on the basis of these datasets impacts ice thickness.
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