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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 4
The Cryosphere, 9, 1649–1661, 2015
https://doi.org/10.5194/tc-9-1649-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 9, 1649–1661, 2015
https://doi.org/10.5194/tc-9-1649-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 21 Aug 2015

Research article | 21 Aug 2015

Temporal variations in the flow of a large Antarctic ice stream controlled by tidally induced changes in the subglacial water system

S. H. R. Rosier et al.
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Short summary
We use a full-Stokes model to investigate the long period modulation of Rutford Ice Stream flow by the ocean tide. We find that using a nonlinear sliding law cannot fully explain the measurements and an additional mechanism, whereby tidally induced subglacial pressure variations are transmitted upstream from the grounding line, is also required to match the large amplitude and decay length scale of the observations.
We use a full-Stokes model to investigate the long period modulation of Rutford Ice Stream flow...
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