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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 4
The Cryosphere, 10, 1381–1393, 2016
https://doi.org/10.5194/tc-10-1381-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 10, 1381–1393, 2016
https://doi.org/10.5194/tc-10-1381-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 08 Jul 2016

Research article | 08 Jul 2016

Modeling Antarctic subglacial lake filling and drainage cycles

Christine F. Dow et al.

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Cited articles

Bartholomew, I., Nienow, P., Sole, A., Mair, D., Cowton, T., and King, M. A.: Short-term variability in Greenland Ice Sheet motion forced by time-varying meltwater drainage: Implications for the relationship between subglacial drainage system behavior and ice velocity, J. Geophys. Res., 117, F03002, https://doi.org/10.1029/2011JF002220, 2012.
Bell, R. E., Studinger, M., Shuman, C. A., Fahnestock, M. A., and Joughin, I.: Large subglacial lakes in East Antarctica at the onset of fast-flowing ice streams, Nature, 445, 904–907, 2007.
Carter, S. P. and Fricker, H. A.: The supply of subglacial meltwater to the grounding line of the Siple Coast, West Antarctica, Ann. Glaciol., 53, 267–280, 2012.
Carter, S. P., Blankenship, D. D., Young, D. A., Peters, M. E., Holt, J. W., and Siegert, M. J.: Dynamic distributed drainage implied by the flow evolution of the 1996–1998 Adventure Trench subglacial lake discharge, Earth Planet. Sc. Lett., 283, 24–37, 2009.
Carter, S. P., Fricker, H. A., Blankenship, D. D., Johnson, J. V., Lipscomb, W. H., Price, S. F., and Young, D. A.: Modeling 5 years of subglacial lake activity in the MacAyeal Ice Stream (Antarctica) catchment through assimilation of ICESat laser altimetry, J. Glaciol., 57, 1098–1112, 2011.
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Short summary
We examine the development and drainage of subglacial lakes in the Antarctic using a finite element hydrology model. Model outputs show development of slow-moving pressure waves initiated from water funneled from a large catchment into the ice stream. Lake drainage occurs due to downstream channel formation and changing system hydraulic gradients. These model outputs have implications for understanding controls on ice stream dynamics.
We examine the development and drainage of subglacial lakes in the Antarctic using a finite...
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