Articles | Volume 10, issue 6
The Cryosphere, 10, 2971–2980, 2016
The Cryosphere, 10, 2971–2980, 2016
Research article
01 Dec 2016
Research article | 01 Dec 2016

Active subglacial lakes and channelized water flow beneath the Kamb Ice Stream

Byeong-Hoon Kim et al.

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Cited articles

Alley, K. E., Scambos, T. A., Siegfried, M. R., and Fricker, H. A.: Impacts of warm water on Antarctic ice shelf stability through basal channel formation, Nat. Geosci., 9, 290–293, 2016.
Alley, R. B., Anandakrishnan, S., Bentley, C. R., and Lord, N.: A water-piracy hypothesis for the stagnation of Ice Stream C, Antarctica, Ann. Glaciol., 20, 187–194, 1994.
Alley, R. B., Lawson, D. E., Evenson, E. B., Strasser, J. C., and Larson, G. J.: Glaciohydraulic supercooling: a freeze-on mechanism to create stratified, debris-rich basal ice: II. Theory, J. Glaciol., 44, 563–569, 1998.
Anandakrishnan, S. and Alley, R. B.: Stagnation of ice stream C, West Antarctica by water piracy, Geophys. Res. Lett., 24, 265–268, 1997.
Bell, R. E.: The role of subglacial water in ice-sheet mass balance, Nat. Geosci., 1, 297–304, 2008.
Short summary
Kamb Ice Stream (KIS) in Antarctica ceased rapid ice flow approximately 160 years ago, still influencing on the current mass balance of the West Antarctic Ice Sheet. We identify two previously unknown subglacial lakes beneath the stagnated trunk of the KIS. Rapid fill-drain hydrologic events over several months indicate that the lakes are probably connected by a subglacial drainage network. Our findings support previously published conceptual models of the KIS shutdown.