Flood Risk and Duration Analysis of Ningjinbo and Daluze Flood Storage-detention District

In order to strengthen the safety construction planning of Ningjinbo and Daluze flood storage and detention area,one and two dimensional coupled model of Ningjinbo and Daluze flood storage and detention areas is established by using MIKE FLOOD software.And then the model test is verified by using 96.8 historical flood submerged data.Comparison of the analog water level and the measured value in the Huanshui Village of Ren County,the simulation results are basically consistent with the actual situation.The model is used to simulate the flood submerged process for the fifty-year frequency flood in flood storage and detention areas.The flood submerged indexes,such as flood submerged range,water depth and flood duration,are obtained.The maximum inundation depth is used to regionalize the flood risk and plot the flood risk map,which provides important basis for safety construction planning of flood storage and detention area.