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重庆万州区公路网洪灾危险性评价

DOI: 10.3969/j.issn.1674-0696.2011.04.028, PP. 828-832

Keywords: 公路网洪灾,危险性评价,GIS技术,highwaynetworkflood,riskassessment,GIStechnology

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Abstract:

:？以重庆万州区为例，以城镇为行政单元，综合考虑地质灾害、孕灾环境、公路类型、路网技术等级和路网密度等指标，基于GIS软件和AHP集成方法得到了重庆市万州区的公路网洪灾危险性分区图。结合综合评估指数将重庆万州区公路网洪灾危险等级分为2级，即中低危险性和较高危险性，所占区域总面积比例分别为68．55%和31．45%。

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