ISSN 1003-8035 CN 11-2852/P
    乔建平, 王萌, 吴彩燕, 樊晓一. 汶川地震扰动区小流域滑坡泥石流风险评估——以都江堰白沙河流域为例[J]. 中国地质灾害与防治学报, 2018, 29(4): 1-9.
    引用本文: 乔建平, 王萌, 吴彩燕, 樊晓一. 汶川地震扰动区小流域滑坡泥石流风险评估——以都江堰白沙河流域为例[J]. 中国地质灾害与防治学报, 2018, 29(4): 1-9.
    QIAOJianpingWANGMengWUCaiyanFANXiaoyi, . Landslide and debris flow risk assessment for small water sheels in the Wenchuan earthquake disturbance area: taking the Baishahe River Basin in Dujiangyan as an example[J]. The Chinese Journal of Geological Hazard and Control, 2018, 29(4): 1-9.
    Citation: QIAOJianpingWANGMengWUCaiyanFANXiaoyi, . Landslide and debris flow risk assessment for small water sheels in the Wenchuan earthquake disturbance area: taking the Baishahe River Basin in Dujiangyan as an example[J]. The Chinese Journal of Geological Hazard and Control, 2018, 29(4): 1-9.

    汶川地震扰动区小流域滑坡泥石流风险评估——以都江堰白沙河流域为例

    Landslide and debris flow risk assessment for small water sheels in the Wenchuan earthquake disturbance area: taking the Baishahe River Basin in Dujiangyan as an example

    • 摘要: 本文采用风险区划、风险概率、风险受损率、风险防御工程效益4要素,对汶川大地震极震扰动区的都江堰白沙河,进行了典型小流域滑坡泥石流风险综合评估研究,并建立了综合要素评估模型。评估结果,高、较高风险区面积占全区的15.76%;在大暴雨条件下,发生风险的概率>0.85;占全区65%固定资产的风险受损率>1;当进行有效工程治理后风险损失将得到折减,高风险区为37%,较高风险区为32%。综合要素评估法能够更准确预测评估区可能遭受的损失情况,为风险管理提供参考依据。

       

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