Simulation of River Bed Evolution Below Tsengwen Reservoir in Taiwan

by Chang-Tai Tsai, Natl Cheng-Kung Univ, Tainan, Taiwan,
Bor-Chyi Tsai, Natl Cheng-Kung Univ, Tainan, Taiwan,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


An uncoupled, one-dimensional river model, capable of simulating bed evolution, hydraulic sorting and armoring under unsteady flow conditions is presented in this paper. This unsteady flow over heterogeneous bed model (UFOHEB) was applied to predict the variations of bed level and armor-layer grain size distribution of along the Tsengwen River downstream of Tsengwen Dam. The simulated results showed fair agreement with observed data.

Subject Headings: River and stream beds | Rivers and streams | Reservoirs | Armor units | Hydraulic models | Hydrologic models | Flow simulation | Mathematical models | Taiwan | Asia

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