洪水风险图是对可能发生的超标准洪水的洪水演进路线、到达时间、淹没水深、淹没范围及流速大小等过程特征进行预测,以标示洪泛区内各处受洪水灾害的危险程度的一种重要的防洪非工程措施。
然后提出洪水风险图制作的方法和步骤。
After that figure out the method and details of flood risk map making system.
洪水风险图是实施洪水管理的重要手段和基础。
Flood hazard map is an essential tool and basis for flood management.
洪水风险图综合自然、社会经济和洪水灾害等多种信息,在防洪减灾中可发挥重要参考作用。
And flood risk map contains comprehensive information such as area nature, socio-economy and flood calamity, so it can play an important reference role in flood prevention and reduction.
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