The Cryosphere
The Cryosphere
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Articles | Volume 17, issue 11
Articles | Volume 17, issue 11
https://doi.org/10.5194/tc-17-4797-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-17-4797-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 11
Research article
 | 
15 Nov 2023
Research article |  | 15 Nov 2023

The evolution of isolated cavities and hydraulic connection at the glacier bed – Part 1: Steady states and friction laws

Christian Schoof

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Cited articles

Andrews, L., Catania, G., Hoffman, M., Gulley, J., Lüthi, M., Ryser, C., Hawley, R., and Neumann, T.: Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet, Nature, 514, 80–83, 2014. a
de Diego, G. G., Farrell, P. E., and Hewitt, I. J.: Numerical approximation of viscous contact problems applied to glacial sliding, J. Fluid Mech., 938, 21, https://doi.org/10.1017/jfm.2022.178, 2022. a, b, c, d, e
de Diego, G. G., Farrell, P. E., and Hewitt, I. J.: On the Finite Element Approximation of a Semicoercive Stokes Variational Inequality Arising in Glaciology, SIAM J. Numer. Anal., 61, 1–25, https://doi.org/10.1137/21M1437640, 2023. a, b, c, d
Flowers, G. E.: Modelling water flow under glaciers and ice sheets, P. Roy. Soc. A, 471, 20140907, https://doi.org/10.1098/rspa.2014.0907, 2015. a
Fontelos, M. and Muñoz, A.: A free boundary problem in glaciology: the motion of grounding lines, Interface. Free Bound., 9, 67–93, 2007. a
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Computational models that seek to predict the future behaviour of ice sheets and glaciers typically rely on being able to compute the rate at which a glacier slides over its bed. In this paper, I show that the degree to which the glacier bed is hydraulically connected (how easily water can flow along the glacier bed) plays a central role in determining how fast ice can slide.
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