Articles | Volume 72, issue 2
Research article
21 Aug 2023
Research article |  | 21 Aug 2023

Subglacial hydrology from high-resolution ice-flow simulations of the Rhine Glacier during the Last Glacial Maximum: a proxy for glacial erosion

Denis Cohen, Guillaume Jouvet, Thomas Zwinger, Angela Landgraf, and Urs H. Fischer

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Cited articles

Alley, R. B., Strasser, J. C., Lawson, D. E., Evenson, E. B., and Larson, G. J.: Glaciological and geological implications of basal-ice accretion in overdeepenings, Geol. S. Am. S., 337, 1–9,, 1999. a
Alley, R. B., Lawson, D. E., Evenson, E. B., and Larson, G. J.: Sediment, glaciohydraulic supercooling, and fast glacier flow, Ann. Glaciol., 36, 135–141,, 2003. a
Alley, R. B., Cuffey, K. M., and Zoet, L. K.: Glacial erosion: status and outlook, Ann. Glaciol., 60, 1–13,, 2019. a, b
Andrews, L. C., Catania, G. A., Hoffman, M. J., Gulley, J. D., Lüthi, M. P., Ryser, C., Hawley, R. L., and Neumann, T. A.: Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet, Nature, 514, 80–83,, 2014. a
Arnold, N., Richards, K., Willis, I., and Sharp, M.: Initial results from a distributed, physically based model of glacier hydrology, Hydrol. Process., 12, 191–219,<191::AID-HYP571>3.0.CO;2-C, 1998. a
Short summary
During glacial times in Switzerland, glaciers of the Alps excavated valleys in low-lying regions that were later filled with sediment or water. How glaciers eroded these valleys is not well understood because erosion occurred near ice margins where ice moved slowly and was present for short times. Erosion is linked to the speed of ice and to water flowing under it. Here we present a model that estimates the location of water channels beneath the ice and links these locations to zones of erosion.