Articles | Volume 12, issue 5
The Cryosphere, 12, 1563–1577, 2018
https://doi.org/10.5194/tc-12-1563-2018
The Cryosphere, 12, 1563–1577, 2018
https://doi.org/10.5194/tc-12-1563-2018
Research article
03 May 2018
Research article | 03 May 2018

Simulating the roles of crevasse routing of surface water and basal friction on the surge evolution of Basin 3, Austfonna ice cap

Yongmei Gong et al.

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Cited articles

Albrecht, T. and Levermann, A.: Fracture-induced softening for large-scale ice dynamics, The Cryosphere, 8, 587–605, https://doi.org/10.5194/tc-8-587-2014, 2014. 
Åström, J. A., Riikilä, T. I., Tallinen, T., Zwinger, T., Benn, D., Moore, J. C., and Timonen, J.: A particle based simulation model for glacier dynamics, The Cryosphere, 7, 1591–1602, https://doi.org/10.5194/tc-7-1591-2013, 2013. 
Åström, J., Vallot, D., Schäfer, M., Welty, E., O'Neel, S., Bartholomaus, T., Liu, Y., Riikilä, T., Zwinger, T., Timonen, J., and Moore, J.: Termini of calving glaciers as self-organized critical systems, Nat. Geosci., 7, 874–878, https://doi.org/10.1038/ngeo2290, 2014. 
Bassis, J. and Ma, Y.: Evolution of basal crevasses links ice shelf stability to ocean forcing, Earth Planet. Sci. Lett., 409, 203–211, https://doi.org/10.1016/j.epsl.2014.11.003, 2015. 
Benn, D., Gulley, J., Luckman, A., Adamek, A., and Glowacki, P.: Englacial drainage systems formed by hydrologically driven crevasse propagation, J. Glaciol., 55, 513–523, https://doi.org/10.3189/002214309788816669, 2009. 
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Short summary
In this study we apply a discrete element model capable of simulating ice fracturing. A microscopic-scale discrete process is applied in addition to a continuum ice dynamics model to investigate the mechanisms facilitated by basal meltwater production, surface meltwater and ice crack opening, for the surge in Basin 3, Austfonna ice cap. The discrete element model is used to locate the ice cracks that can penetrate though the full thickness of the glacier and deliver surface water to the bed.