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Preliminary study of site selection for the immigrants in Wenchuan earthquake
Author(s): 
Pages: 79-83
Year: Issue:  12
Journal: Geotechnical Investigation & Surveying

Keyword:  移民选址 地质灾害 汶川地震 空间分析;
Abstract: 5.12汶川特大地震造成成千上万的家园被毁,震后灾区地质灾害频发,有些区域已不再适宜人们居住,灾民临时安置和灾后重建选址问题亟待解决。近年来,随着遥感技术的不断发展与GIS分析功能的逐步完善,遥感与GIS技术在工程选址中得到广泛应用,并取得一定成果。由于研究区背景不同,前人很少将地质灾害与植被盖度作为指标因子参与选址评价。本文以汶川县雁门地区为例,通过建立地质灾害、植被指数、水系、断层、坡度、高程六个评价指标体系,探讨了研究区的移民搬迁选址模型方案,为灾民搭建临时安置板房选址和灾后重建选址提供有力的理论依据,为决策者提供辅助参考。
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