洪水风险图编制技术细则.pdf

洪水风险图编制技术细则

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二〇〇九年十月
目录
1 总则······································································································ 1
2 总体技术规定························································································· 2
风险要素的规定············································································· 2
风险图编制流程与洪水计算方法·················································· 3
洪水风险图分类与基本技术要求·················································· 5
洪水风险计算分析的一般性规定·················································· 7
3 基本资料收集与分析··············································································· 9
基本要求························································································· 9
自然地理资料················································································· 9
水文及洪水资料··········································································· 10
社会经济资料··············································································· 11
工程及调度资料··········································································· 12
洪涝灾害资料··············································································· 13
基础工作底图的加工处理···························································· 14
4 洪水分析与洪水影响分析··································································· 14
洪水分析方法的选择··································································· 14
洪水分析方法的基本技术要求···················································· 16
计算条件的设置··········································································· 19
洪水过程及淹没范围、水深计算················································ 22
洪水影响分析··············································································· 24
5 江河湖泊洪水风险分析······································································· 25
基本内容与要求·································