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- W2382145217 abstract "For developing quantitative approaches and methodologies for landslide susceptibility assessment and mapping,RS and GIS were applied as the main tools,and the regional area of Geheyan reservoir on the Qingjiang River in the eastern Hubei Province was selected as the case study area.Based on the landslide inventory database,we use DEM data to extract topographic,geomorphologic and hydrological factors;use the Landsat7 ETM+ satellite image to extract land-cover indices like NDVI,NDSI,etc.;and use DEM,feature dataset,lithological map and typical landside investigation and analysis to generate landslide diagnostic factors like the slope topographic/bedding relationship indices,the engineering geological indices,the range of bank ruin of reservoir,etc.Further,we carry out the statistical analysis of the relationship between the landslide spatial distribution and the diagnostic factors,in which we employ the integrated information model,use entropy calculation to determine the weight of each factor and use the spatial analysis function of GIS.Based on the statistical analysis,we bring about the landslide susceptibility zonation of the Geheyan reservoir area of the Qingjiang River.According to the landslide susceptibility,the area is divided into three classes: the high class covers 15.65%,which contains 73.17% of known landslides;the moderate class covers 41.54%,which contains 17.81% of known landslides;whereas the low class covers 42.81% and only 9.02% of known landslides in this area." @default.
- W2382145217 created "2016-06-24" @default.
- W2382145217 creator A5067639679 @default.
- W2382145217 date "2007-01-01" @default.
- W2382145217 modified "2023-09-27" @default.
- W2382145217 title "ETM+ imagery and GIS-based landslide susceptibility mapping for the regional area of Geheyan reservoir on the Qingjiang River,Hubei Province,China" @default.
- W2382145217 hasPublicationYear "2007" @default.
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