Volume 17, Issue 66 (winter 2014)                   jwss 2014, 17(66): 73-82 | Back to browse issues page

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Basiri Dehkordi H, Naderi Khorasgani M, Mohammadi J. Landslide Hazard Zonation in Ardal County (CHaharmahal va Bakhtiari Province, Iran) Using Analytical Hierarchy Process (AHP). jwss 2014; 17 (66) :73-82
URL: http://jstnar.iut.ac.ir/article-1-1973-en.html
, hodadehkordi@gmail.com
Abstract:   (11678 Views)
Landslide as a global disaster causes great human and financial damages. Identification of landslide causes and zonation assist in instability control and construction projects siting. This study aimed to identify landslide causes and instability zonation in Ardal county, Chaharmahal va Bakhtiari province, Iran, using Analytical Hierarchy Process (AHP). Current landslides were delineated through field survey and interpretation of Earth Google images and geologic maps. By using Digital Elevation Model (DEM), slope, aspect, geologic, soil, distance to faults, distance to roads, distance to rivers and landuse/landcover maps and expert knowledge, the pairwise comparison matrix was designed. The weights for all the involved thematic maps were calculated and susceptible zones were mapped. The hazard map indicated more than 77% of current landslides are located in the severe and very severe hazard classes. Comparing landslide hazard map and trigger maps revealed the most influential factors in landslides are distance to roads and slope maps while distance to faults and aspect show the lowest impacts on landslides.
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Type of Study: Research | Subject: Ggeneral
Received: 2012/02/18 | Accepted: 2012/09/23 | Published: 2014/02/10

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