利用证据权法实现滑坡易发性区划
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摘要
依托"5.12"特大地震的抗震救灾工作,以汶川地震12个极重灾县市为研究对象,在1∶5万滑坡详细调查、编录和遥感影像解译的基础上,利用DEM数据、ETM影像及基础地质数据,用证据权法完成了研究区滑坡易发性评价因子的提取与制图以及相关性统计分析,实现了1∶5万的滑坡易发性区划。
Depending on the "5.12" huge earthquake relief work,this paper selected the most severity stricken counties in Sichuan as case study areas.Based on the landslide investigation,landslide inventory and RS imagery interpretation,using the DEM data,ETM+ satellite image and feature dataset,and with the Weights of Evidence method,extracting and mapping of landslide susceptibility evaluation factors and statistical analysis of correlation were completed,and the susceptibility division of the study area was carried out
Depending on the "5.12" huge earthquake relief work,this paper selected the most severity stricken counties in Sichuan as case study areas.Based on the landslide investigation,landslide inventory and RS imagery interpretation,using the DEM data,ETM+ satellite image and feature dataset,and with the Weights of Evidence method,extracting and mapping of landslide susceptibility evaluation factors and statistical analysis of correlation were completed,and the susceptibility division of the study area was carried out
引文
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[2]Guzzetti F,Rei chenbach P,Cardinali M,et al.Probabilistic landslide hazard assessment at the basinscale[J].Geomorphography,2005,72(124):272-299.
[3]Davis J C,Chung C J,Ohlmacher G C.Two modelsfor evaluating landslide hazards[J].Computers&Geosciences,2006,32(8):1120-1127.
[4]Dai F C,Lee C F.Landslide characteristics and slopeinstability modeling using GIS,Lantau Island,Hongkong[J].Geomorphology,2002,42(324):213-228.
[5]王志旺,李端有,王湘桂.证据权法在滑坡危险度区划研究中的应用[J].岩土工程学报,2007,29(8):1268-1273.[WANG Z W,LI D Y,WANG X G.Zonation of landslide hazards based on weights ofevidence model[J].Chinese Journal of GeotechnicalEngineering,2007,29(8):1268-1273.(inChinese)]
[6]四川省地质调查院.四川县市级地质灾害调查与区划报告系列[R].北京:中国地质调查局,2008.[Sichuan academy of Geological Survey.Geologicaldisasters survey and zoning repot for Sichuan[R].Beijing:China Geological Survey,2008.(inChinese)]
[7]国土资源部,国家测绘局,中国地质调查局.四川省地震灾区42个受灾县市地质灾害综合评估报告[R].北京:中国地质调查局,2008.[Ministry ofLand and Resources of the People’s Republic ofChian,National Administration of Surveying,Mappingand Geoinformation,China Geological Survey.Geological disasters Comprehensive assessment repotfor 42 Stricken cities of Sichuan[R].Beijing:ChinaGeological Survey,2008.(in Chinese)]
[8]BONHAM-CARTER G F,AGTERBERG F P,WRIGHT D F.Integration of geological datasets forcold exploration in nova scotia[J].American Societyfor Photogrammetry and Remote Sensing,1988,54(11):1585-1592.
[9]BONHAM-CARTER G F,AGTERBERG F P,WRIGHT D F.Weights of evidence modeling:a newapproach to mapping mineral potential[C]//StaticalApplications in the Earth Sciences.1989:171-183.
[10]AGTERBERG F P,BONHAM-CARTER G F,CHENG Q,et al.Weights of evidence modeling andweighted logistic regression for mineral potentialmapping[C]//Computers in Geology,25 Years ofProgress.Oxford:Oxford University Press,1993:13-32.
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