Using Boolean and fuzzy logic and weighting factors for landslide and sediment hazard analysis in the watershed of Chelgerd-Chaharmahal and Bakhtiari Province

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JAMALI ALI AKBAR; Hakim MOHAMMAD ALI

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Journal: GEOGRAPHICAL JOURNAL OF TERRITORY Year:2019 | Volume:15 | Issue:60 Page(s): 19-28

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Title

Using Boolean and fuzzy logic and weighting factors for landslide and sediment hazard analysis in the watershed of Chelgerd-Chaharmahal and Bakhtiari Province

Author(s)

JAMALI ALI AKBAR | Hakim MOHAMMAD ALI | Issue Writer Certificate

Keywords

AHPQ2

Landslide mappingQ2

sedimentQ2

watershedQ2

Abstract

Erosion is phenomenon that causes wasting of many water and soil resources and destructing natural resources. Landslide is one of the most common natural phenomena that changes the earth's surface and, in addition to water erosion, produces sediments in the watersheds, is nowadays considered as one of the natural disasters and it causes many damages and compensation every year. These include waste of water resources and the destruction of natural resources. In this study, the purpose is Landslide mapping. Landslide can be the main source for sediment supply (Data duration 2006 to 2016). The region was Chelgerd watershed. For landslide hazard mapping, information layers including slope, elevation lithology, land use, distance to road, distance to stream, distance to fault and to springs as effective parameters of landslide have been recognized and digitized using ILWIS. After fuzzy standardizing of constraints and factors by methods fuzzy and Boolean weighing factors using the analytic hierarchy process (AHP) was incorporated. Final phase, landslide hazard zonation map was prepared. Results show that 49 percent of studied land are high and very high-risk zones located. In this study, the most landslides occur in 500 meters from road and 400 meters from Stream with dip ranging from 15 to 50 percent at the elevation of 2600 meters moreover, agricultural lands and gardens within Khankat and Neyriz formation contain the most landslides. Since the possibility of landslide in the vicinity of roads and Stream, with medium dip is very high. It is necessary to be considered in managing of the area.

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APA: Copy

JAMALI, ALI AKBAR, & Hakim, MOHAMMAD ALI. (2019). Using Boolean and fuzzy logic and weighting factors for landslide and sediment hazard analysis in the watershed of Chelgerd-Chaharmahal and Bakhtiari Province. GEOGRAPHICAL JOURNAL OF TERRITORY, 15(60 ), 19-28. SID. https://sid.ir/paper/116346/en

Vancouver: Copy

JAMALI ALI AKBAR, Hakim MOHAMMAD ALI. Using Boolean and fuzzy logic and weighting factors for landslide and sediment hazard analysis in the watershed of Chelgerd-Chaharmahal and Bakhtiari Province. GEOGRAPHICAL JOURNAL OF TERRITORY[Internet]. 2019;15(60 ):19-28. Available from: https://sid.ir/paper/116346/en

IEEE: Copy

ALI AKBAR JAMALI, and MOHAMMAD ALI Hakim, “Using Boolean and fuzzy logic and weighting factors for landslide and sediment hazard analysis in the watershed of Chelgerd-Chaharmahal and Bakhtiari Province,” GEOGRAPHICAL JOURNAL OF TERRITORY, vol. 15, no. 60 , pp. 19–28, 2019, [Online]. Available: https://sid.ir/paper/116346/en

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