The Cryosphere
The Cryosphere
TC
Articles | Volume 9, issue 6
Articles | Volume 9, issue 6
https://doi.org/10.5194/tc-9-2183-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-9-2183-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 9, issue 6
Research article
 | 
20 Nov 2015
Research article |  | 20 Nov 2015

A new methodology to simulate subglacial deformation of water-saturated granular material

A. Damsgaard, D. L. Egholm, J. A. Piotrowski, S. Tulaczyk, N. K. Larsen, and C. F. Brædstrup

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Short summary
This paper details a new algorithm for performing computational experiments of subglacial granular deformation. The numerical approach allows detailed studies of internal sediment and pore-water dynamics under shear. Feedbacks between sediment grains and pore water can cause rate-dependent strengthening, which additionally contributes to the plastic shear strength of the granular material. Hardening can stabilise patches of the subglacial beds with implications for landform development.
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