濛洼蓄滞洪区洪水风险图的编制

his article systemicly introduces the process of mapping Flood Risk Map of MengWa flood detention area which includes data collection and operation, flood risk analysis, Flood Risk Map mapping and Flood Risk Map exporting. After all , the results expected that Flood Risk Map can be automatic mapped and exported were achieved. Meanwhile , the results obtained not only provide the local flood control and prevention department important technology to prevent and decrease the lost of flood ,but also set an example to other flood detention areas to make research on Flood Risk Map.