Articles | Volume 15, issue 11
Research article
18 Nov 2021
Research article |  | 18 Nov 2021

Drainage of an ice-dammed lake through a supraglacial stream: hydraulics and thermodynamics

Christophe Ogier, Mauro A. Werder, Matthias Huss, Isabelle Kull, David Hodel, and Daniel Farinotti

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Cited articles

Ancey, C., Bardou, E., Funk, M., Huss, M., Werder, M. A., and Trewhela, T.: Hydraulic Reconstruction of the 1818 Giétro Glacial Lake Outburst Flood, Water Resour. Res., 55, 8840–8863,, 2019. a, b, c, d
Aydin, I., Ger, A. M., and Hincal, O.: Measurement of small discharges in open channels by slit weir, J. Hydraul. Eng., 128, 234–237,, 2002. a
Aydin, I., Altan-Sakarya, A. B., and Ger, A. M.: Performance of slit weir, J. Hydraul. Eng., 132, 987–989,, 2006. a
Bergman, T. L., Lavine, A. S., Incropera, F. P., and DeWitt, D. P.: Fundamentals of heat and mass transfer, 8th edition, Wiley, available at: (last access: 10 November 2021), 2007. a, b, c, d
Björnsson, H.: Jökulhlaups in Iceland: prediction, characteristics and simulation, Ann. Glaciol., 16, 95–106,, 1992. a
Short summary
Glacier-dammed lakes are prone to draining rapidly when the ice dam breaks and constitute a serious threat to populations downstream. Such a lake drainage can proceed through an open-air channel at the glacier surface. In this study, we present what we believe to be the most complete dataset to date of an ice-dammed lake drainage through such an open-air channel. We provide new insights for future glacier-dammed lake drainage modelling studies and hazard assessments.