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The role of sediment transport in the mechanics of jökulhlaups
1996
Annals of Glaciology
The classical theory of jökulhlaups used Röthlisberger's earlier theory of ice-channel drainage to describe the development of the flood hydrograph. This theory has some drawbacks: the mechanism of initiation (breaking the seal) is opaque, the Manning roughness coefficient is too large and the hydrographs can reveal a sudden switching from channel opening to channel closure which is not simulated by the model. In this paper, we examine these features by exploring a more detailed model, which
doi:10.3189/1996aog22-1-255-259
fatcat:pbyxg3i5qzhpzacrvkbnqtygum