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Information Journal Paper

Title

Evaluation of Landslide Susceptibility Zonation applying Fuzzy Gamma Operators in Taleghanroud Watershed of Qazvin Province

Pages

  71-90

Abstract

 Landslide is one of the most destructive types of erosion on slopes, which causes a lot of financial and human losses. Since it is difficult to predict the occurrence of landslides, it is very important to identify landslide-sensitive areas and the zoning of these areas based on the potential risk of this phenomenon. Evaluation of landslide susceptibility is one of the basic tools for managing and reducing potential damages. The present study has attempted to assess the efficiency of various fuzzy gamma operators for landslide susceptibility zonation in Taleghanroud watershed of Qazvin province. Therefore, the landslide distribution map and also 11 effective factor were first prepared which include layers including slope, slope direction, altitude, land use, lithology, distance to road, distance to stream, distance to fault, earthquake acceleration, precipitation, and maximum daily precipitation. A total of 15 landslides were identified, 70% of which were used to model and 30% of which were used to evaluate the results of the models. Then, after determining the values of Frequency Ratio and fuzzy membership for different classes of effective factors, landslide susceptibility maps were produced using fuzzy gamma operators (for gamma values equal to 0, 0. 1, 0. 2, 0. 3, 0. 4, 0. 5, 0. 6, 0. 7, 0. 8, 0. 9 and 1). The evaluation process using Density Ratio and Sum of Quality indices showed that the gamma of 0. 7 has higher accuracy than other gamma values in the study area. The landslide Hazard Zoning map of the superior model will be useful in land use planning and reducing the landslide risk of the region.

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    APA: Copy

    MOSAFFAIE, JAMAL, SALEHPOUR JAM, AMIN, Sarfaraz, Faramarz, & SHADFAR, SAMAD. (2020). Evaluation of Landslide Susceptibility Zonation applying Fuzzy Gamma Operators in Taleghanroud Watershed of Qazvin Province. GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY, 10(36 ), 71-90. SID. https://sid.ir/paper/964933/en

    Vancouver: Copy

    MOSAFFAIE JAMAL, SALEHPOUR JAM AMIN, Sarfaraz Faramarz, SHADFAR SAMAD. Evaluation of Landslide Susceptibility Zonation applying Fuzzy Gamma Operators in Taleghanroud Watershed of Qazvin Province. GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY[Internet]. 2020;10(36 ):71-90. Available from: https://sid.ir/paper/964933/en

    IEEE: Copy

    JAMAL MOSAFFAIE, AMIN SALEHPOUR JAM, Faramarz Sarfaraz, and SAMAD SHADFAR, “Evaluation of Landslide Susceptibility Zonation applying Fuzzy Gamma Operators in Taleghanroud Watershed of Qazvin Province,” GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY, vol. 10, no. 36 , pp. 71–90, 2020, [Online]. Available: https://sid.ir/paper/964933/en

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