第48卷第2期2023年4月Vol.48No.2Apr.2023测绘地理信息JournalofGeomatics基于地理探测器的四川地区冰川面积变化影响因素探究汪宙峰1,2樊尚杰1汪裕峻3贺相綦1曾义龙11西南石油大学地球科学与技术学院,四川成都,6105002西南石油大学天然气地质四川省重点实验室,四川成都,6105003合肥市测绘设计研究院,安徽合肥,230031ResearchonInfluencingFactorsofGlacierAreaChangeinSichuanBasedonGeographicDetectorsWANGZhoufeng1,2FANShangjie1WANGYujun3HEXiangqi1ZENGYilong11SchoolofGeoscienceandTechnology,SouthwestPetroleumUniversity,Chengdu610500,China2NaturalGasGeologyKeyLaboratoryofSichuanProvince,SouthwestPetroleumUniversity,Chengdu610500,China3HefeiSurveyingandMappingInstitute,Hefei230031,China摘要:结合GIS和RS技术,应用地理探测器方法分析四川区域2007—2017年冰川面积变化空间分异特征及其影响因素,选取坡度、坡向、海拔等7个影响因子,通过权重叠加作出该区域冰川脆弱性示意图。结果表明:①10年间东南向冰川占比减少,北向冰川占比增加;东向冰川减退面积较大,西向冰川面积整体持平。②期间,影响四川地区冰川面积变化区域空间差异的主要因素是冰川规模,小型冰川(面积小于或等于1km2)的面积变化主要受夏季温度和降水变化影响;而中型冰川(面积大于1km2)不仅受夏季温度和降水变化影响,还受地形因子的影响。③四川冰川脆弱性示意图显示区域内冰川均呈不同程度的脆弱性,总体上为轻-强度脆弱。关键词:冰川面积变化;脆弱性;地理探测器;权重叠加中图分类号:P208文献标志码:AAbstract:Geographicdetectormethodisadoptedincombina‐tionwithGISandRStechnologytoquantitativelyanalyzethespatialdifferentiationcharacteristicsofglacierareachangeinSichuanfrom2007to2017anditsinfluencingfactors.Seveninfluencingfactorssuchasslope,aspect,elevation,andsoonareselectedtodrawtheschematicdiagramofglaciervulnera‐bilityintheregionthroughweightedoverlapanalysis.There‐sultsshowthat:①Inthepasttenyears:theproportionofgla‐ciersinthesoutheastdirectionhasdecreased,andthepropor‐tionofglaciersinthenorthdirectionhasincreased.Themelt‐ingareaofglaciersintheeastdirectionhasbecomelarger,andthemeltingareaofglaciersinthewestdirectionhasre‐mainedthesame.②Ona...