遥感和GIS技术支持下的大石峡水电站库区滑坡敏感性评价

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1、成都理工大学硕士学位论文遥感和GIS技术支持下的大石峡水电站库区滑坡敏感性评价姓名：谢韬申请学位级别：硕士专业：摄影测量与遥感指导教师：何政伟20070501SensitiveappraisaloflandslideBaseonRSandGISinthereservoirofhydroelectricpowerinDaShixiaABSTRACTThispaperstudieslandslidehazardinDaShixia．thereservoirofhydroelectricpowerintheKumalakeRiverofXinjia

2、ng，Thetypeofthebankofthereservoirisbandinggorge．Themountainsofbothbanksarehighlyprecipitousandabruptlytremendous．Thetopographyoffivervalleyisdangerouslysteep．Itisuninhabited，andthetrafficisinconvenient．Basedonthecomplicatedgeographyandgeologicalconditionsofthestudyingarea，l

3、andslideaboutthemostseriousstabilitydestructionofbankofthereservoirissurveyedandestimatedbyremotesensingandGIStechnology．Combiningtheactualconditionsofthestudyarea，embarkingfromsourcedataofremotesensing，extractinginformationoflandslidehazard，analyzingthesensitivefactorsabou

4、tlandslide，andaskingfortherelativeweightofeveryfactoraccordingtoAHPanalyticapproach，itestimatesandanalyzesthesensitivepredictiontolandslidehazardinthestudydistrict．UsingRSandGIStechnology,itexploresatechnologicalronteandmethodsystemtoresearchthelandslideinDaShixia，thereserv

5、oirofhydroelectricpowerintheKumalakeRiverofXinjiang，Somepointsofthepaperasfollowedas：(1)ThepaperusesremotesensingdatatOinterpretlandslide27ofthestudyareacombiningthesurveyinthefield．Basedonthedifferentstrengthtothedevelopmentlandslidehazardinthestudyarea，thepaperacquires5fa

6、ctorsabouttheslope(0．4394)，geologicalstructure(0．2621)，rivererosion(0．1662)，stratumandlithology(O．0978)，aspect(0．0344)，andthendeterminesthelevelsofthefactorweightsandsensitiveappraisalmapaboutlandslidehazardinthestudyarea．(2)Basedonthedifferentfatalnessaboutlandslide，thispa

7、perstudiesksspatial2第1章绪论distributionruleinDaShixia，thereservoirofhydroelectricpowerintheKumalakeRiverofXinjiang，bythesensitiveappraisalabutlandslideinthestudyarea．(3)Togeograptficalandgeologicalenvironmentinthestudyarea，usingRSdataandtopographicmaps，thepapercreatesaworking

8、fromdataacquiring—}remotesensingimageprocessing——}landslideinformationextraction——