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Sediment Deformation
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| Some Current Research Projects: | |
| It has been recognised, rather than
treating glacier motion as being a combination of internal
deformation and sliding over bedrock alone, that as unlithified
sediments underlie many glaciers, deformation of these subglacial
sediments makes a significant contribution to overall glacier
motion. Crucial to the deforming bed model of glacier motion
are the mechanical properties of these sediments. Fatin
Altuhafi, Beatrice
Baudet (Civil
Engineering, UCL) and Peter
Sammonds are now measuring the rheological properties
of gliacal sediments from Langjokull ice cap in Iceland. This
will enable us to model the response of small ice caps to
climate change.
This follows on from a NERC "ARCICE" project with Catherine Stafford, where we cored sub-glacial and pro-glacial sediments on Langjokull, Iceland, for laboratory testing back at UCL.
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