长江流域资源与环境 >> 2016, Vol. 25 >> Issue (06): 1002-1008.doi: 10.11870/cjlyzyyhj201606018
• 自然灾害 • 上一篇
叶丽梅1, 周月华1, 向华1, 牛奔2,3, 高伟4, 周羽5
YE Li-mei1, ZHOU Yue-hua1, XIANG Hua1, NIU Ben2,3, GAO Wei4, ZHOU Yu5
摘要: 在求取襄阳中心城区重现期雨量与可抽排雨量的基础上,采用基于GIS暴雨洪涝淹没模型计算不同重现期致灾雨量的淹没水深和范围;依据城市内涝对道路的实际影响,制作城市道路内涝灾害风险区划图。结果表明,该方法能够直观表达研究区域内不同雨量阈值的内涝灾害淹没风险分布,定量评估淹没水深、淹没范围。同时给出了城市道路内涝灾害风险区划图,结合城市道路信息,准确定位高风险易涝街区,为政府部门决策提供科学依据。
中图分类号:
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