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Discussiononsomeproblemsofregionaldroughtriskassessment
1,2
1,2
3
1,2
JINJuliang ,ZHOULiangguang ,CUIYi ,JIANGShangming,
1,2
WUChengguo ,ZHOURongxing 1,2
(1.SchoolofCivilEngineering,HefeiUniversityofTechnology,Hefei 230009,China;
2.InstituteofWaterResourcesandEnvironmentalSystemsEngineering,HefeiUniversityofTechnology,Hefei 230009,China;
3.KeyLaboratoryofWaterConservancyandWaterResourcesofAnhuiProvince,WaterResourcesResearchInstituteofAnhuiProvinceand
HuaiheRiverCommission ,MinistryofWaterResources,Hefei 230088,China)
Abstract:Regionaldroughtriskassessmentisthecorelinkconnectingscientificunderstandingandprevention
practiceofdroughtrisk ,andhasalwaysbeenacutting - edgehotanddifficultpointintheresearchfieldofdrought
riskpreventiontheoryandpractice.Itisanimportantissuesupportingthehigh - qualitydevelopmentofregionalwa
terconservancy.Inviewoftheproblemsexistingintheactualdroughtriskassessment ,suchasunclearconcepts,
constrainedapplicationconditionsofmethods,andseparationofriskquantitativecalculationandphysicalanalysis,
fromtheperspectiveofthedegreetowhichtheassessmentobjectconformstotherelationshipbetweentheriskas
sessmentobjectives ,itisconcludedandanalyzedthatcomprehensiveassessmentofdroughtriskandquantitative
assessmentofdroughtriskarethemainwaysofdroughtriskassessmentresearchatpresent.Moreoverthedrought
risksystemseveralconceptualissuessuchascomprehensiveevaluationofdroughtriskandquantitativeevaluationof
droughtriskareexplored ,includingtheconstructionofsingleindexevaluationfunctions,determinationofindex
weights ,andconstructionofcomprehensiveindexevaluationfunctions,inordertofurtherpromotethein - depth
developmentofdroughtriskassessmenttheoryandpractice.
Keywords:quantitativeassessmentofdroughtrisk;comprehensiveevaluationofdroughtrisksystem;assessment
concept ;assessmentmethod
(责任编辑:耿庆斋)
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