Monte Carlo Approach to Spillway Design Floodsby Jerson Kelman, Electric Energy Research Cent-CEPEL, Rio de Janeiro, Brazil,
Fernanda S. Costa, Electric Energy Research Cent-CEPEL, Rio de Janeiro, Brazil,
Machado Damazio, Electric Energy Research Cent-CEPEL, Rio de Janeiro, Brazil,
Abstract: This paper shows the use of a daily stochastic streamflow model for the calculation of the hydrograph for spillway design. Most of the literature related to the topic deals with the problem of how to evaluate the peak of the hydrograph with recurrence interval of T years. The availability of an extremely large number of synthetic daily streamflow sequences produced by a stochastic model is particularly helpful when one is designing jointly the spillway and the flood retention storage of a dam. In this case a T flood hydrograph is required rather than just the peak value. This paper describes how the Monte Carlo method was used to define the 10,000 year flood hydrograph for the Serra da Mesa Dam, in the Tocantins River, Brazil.
Subject Headings: Floods | Hydraulic design | Spillways | Monte Carlo method | Hydrographs | Hydrologic models | Streamflow | Hydraulic models | Stochastic processes | Europe | Monaco | Monte Carlo | Brazil | South America
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