Flood Routing Simulation of MengWa Detention Basin based on MIKE21
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Abstract:
In order to study the flood routing situation in the detention basin after flood diversion, MIKE21 was adopted to conduct 2D flood routing simulation of the MengWa detention basin in the midstream of Huaihe River. The measured water level data in 2007 were used to calibrate the model, and the maximum relative error of simulated and measured water levels was about 10%, which indicated that the model has a high simulation precision. The model was used to simulate the inundated elements, such as water depth, flow velocity, and arrival time, at each location of the detention basin under the scheme of the most dangerous flood diversion. . The research results can offer technical support for flood control and disaster reduction of the MengWa detention basin.
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