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標題: 河道泥砂運移監測技術研發與應用-以濁水溪下游為例-子計畫:動床水理輸砂模式之改良與應用
Improvements and Applications of Hydrodynamic and Sediment Transport Models
作者: 詹勳全
關鍵字: 環保工程;應用研究;輸砂公式;數值模擬;模式

The depth-averaged two-dimensional numerical models have been widely used to studythe fluvial process. Using these models, sediment transport formulas are required to evaluatethe sediment transport capacity. Due to the theory development and empirical parameters,sediment transport formulas are limited under certain flow conditions or sediment properties.Although numerous equations and formulas have been published for sediment transport, nogeneral sediment transport formulas had been developed. This study plans to improve theapplicability of sediment transport formulas for the Cho-Shui River. With the developmentof current computer technology, using depth-averaged two-dimensional numerical models tosimulate sediment transport process, which may provide more detailed and completeinformation of a fluvial river under different flow conditions and scales, becomes feasible.This information is extremely important to simulate fluvial process numerically and can beused as a feedback to improve the sediment transport formulas. Lower Cho-Shui River ischosen as a case study for the evaluation of the suitability and accuracy of previoussediment transport formulas in the flood events. According to the results of numericalsimulations, improvements of sediment transport formulas will be provided.
其他識別: NSC100-2625-M005-004-MY3
Appears in Collections:水土保持學系

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