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Analytical models are developed for the simulation of earthdam breach erosion. Using a reservoir water‐mass depletion equation, broad‐crested weir hydraulics and a breach‐erosion relation, solutions are derived for rectangular, triangular, and trapezoidal‐shaped breaches. Breach erosion is assumed to be either a linear or quadratic function of the outflow mean water velocity. Historical data are used to test the models. A sensitivity analysis is performed to determine the importance of the various parameters involved.
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Singh et al. (1988) studied this question.
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