Investigation and Potential of Landslide Risk Using Fuzzy Logic Model in Kahman Basin Lorestan Province
Landslides as one of the natural hazards can cause a lot of damage every year. Kahman catchment with potential mountainous features and different natural conditions has potential landslide potential. The purpose of this study was to investigate landslide hazard using fuzzy logic model in Kahman basin of Lorestan province. In this study, first, effective parameters on landslide occurrence were extracted and then the relevant layers were prepared. Then the landslide distribution map of the basin occurred. Then, by integrating the landslide map with the landslide distribution map, the effect of each of the slope factors, slope direction, lithology, precipitation, land use, distance from fault and waterway were calculated in ArcGIS software environment. In this study, fuzzy logic model with fuzzy community operator, fuzzy sharing operator, fuzzy algebraic multiplier operator, fuzzy algebraic sum operator, and fuzzy gamma operator were applied. Based on zoning using gamma-fuzzy operator, 64.37, 7.45, 8.93, 12.49 and 6.76 percent of the area were classified as very low, low, medium, high and very high risk classes has taken.
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