Journal Title
Title of Journal: Environ Geol
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Abbravation: Environmental Geology
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Publisher
Springer-Verlag
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Authors: Saro Lee
Publish Date: 2006/09/20
Volume: 52, Issue: 4, Pages: 615-623
Abstract
The aim of this study was to apply and to verify the use of fuzzy logic to landslide susceptibility mapping in the Gangneung area Korea using a geographic information system GIS For this aim in the study a dataderived model frequency ratio and a knowledgederived model fuzzy operator were combined Landslide locations were identified by changing the detection technique of KOMPSAT1 images and checked by field studies For landslide susceptibility mapping maps of the topography lineaments soil forest and land cover were extracted from the spatial data sets and the eight factors influencing landslide occurrence were obtained from the database Using the factors and the identified landslide the fuzzy membership values were calculated Then fuzzy algebraic operators were applied to the fuzzy membership values for landslide susceptibility mapping Finally the produced map was verified by comparing with existing landslide locations for calculating prediction accuracy Among the fuzzy operators in the case in which the gamma operator λ = 0975 showed the best accuracy 8468 while the case in which the fuzzy or operator was applied showed the worst accuracy 6650
Keywords:
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