HU Shengwu, WANG Yuhong. GIS Dynamic Risk Assessment of Geological Disasters Based on Event Tree Analysis and Fuzzy Theory[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 983-989. DOI: 10.13203/j.whugis20130473
Citation: HU Shengwu, WANG Yuhong. GIS Dynamic Risk Assessment of Geological Disasters Based on Event Tree Analysis and Fuzzy Theory[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 983-989. DOI: 10.13203/j.whugis20130473
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GIS Dynamic Risk Assessment of Geological Disasters Based on Event Tree Analysis and Fuzzy Theory

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  • Riskassessmentresearchongeologicaldisastersmainlyfocusesonstaticdisasters,butgeo logicaldisastershoweveraredynamicprocess.Thestudyofdynamicgeologicaldisastersthereforeareapressingtopicatpresent.Thepaperfirstlydiscussestheuseofeventtreeanalysisandmulti levelfuzzycomprehensiveevaluationcombinedwithGIS,withtheXunzhongtownofDehuacountryinQuanzhoucity,Fujianprovinceasthestudyarea;selectingthesuratyphoonofAugust2012,andthegeologicaldisastersofAugust2nd15,August3rd10andAugust3rd23tomadeaevaluationriskmaptopredictthedevelopmentofdynamicchangewiththistrendofgeologicaldisastersrespectivelytosupportgeologicaldisasterpreventionmeasures.Theresultssuggestthatsuchtechniquesmightplayaguidingroleinprotectionfromgeologicaldisastersandcouldreduceloss.
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