Application of Satellite images and fuzzy set theory in Landslide hazard Mapping in Central Zab basin
作者： H Shahabi , S Khezri , BB Ahmad , H Allahvirdiasi
DOI: 10.9790/4861-0141724
关键词:
摘要: Landslides are one kind of slopes processes have been take place in some area at worldwide and Iran every year, they associated with damaged, many people harmed losses their properties. The aim this research landslide hazard assessment central zab basin the southwest mountainsides West-Azerbaijan province, by using information layers effective factors such us: slope, aspect, litho logy, land use, distance to drainage, road, fault precipitation fuzzy set theory, images satellite from Landsat ETM + sensor 2009 PAN 5.6 meters 2010 IRS-1D satellite, SPOT 5 2008, GIS. classification was done histogram trend changes available classifications. Weighting variables classes were determined between 0-1 (profusion proportion). Fuzzification each IDRISI software terminated after assigned type shape membership function. In research, used J-shape function gamma operator obtain susceptibility. Different maps values 0.8 0.9 make ready for study area. Obtained accuracy evaluated use quality sum index (QS). Models evaluation results showed model had best making susceptibility mapping
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