Author(s): Lianwu Liu; Hung Tao Shen
Linked Author(s): Hung Tao Shen
Keywords: No Keywords
Abstract: This paper investigates the dynamics of ice jam release surges. Numerical simulations were carried out using a two-dimensional ice dynamic model to examine the attenuation effect of ice on the surge propagation and the ice jam release processes. The simulated results are compared with the results of simplified simulations, in which the ice resistance effects were neglected. It is shown that at the instant of ice jam release, the peak discharge of the mixture of water and ice may be close to that simulated by neglecting the ice resistance. However, the ice resistance has significant effects on the stage and discharge hydrographs. The ice resistance can lower the peak discharge significantly at downstream locations.
Year: 2004