Landslide hazard zoning using frequency ratio, entropy methods and TOPSIS decision making methods (Case study: Fahliyan basin, Fars)

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RAZAVI S.V.; SHIRANI K.

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Paper Information

Journal: Journal of RS and GIS for Natural Resources Year:2019 | Volume:9 | Issue:4 (33) Page(s): 119-138

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Title

Landslide hazard zoning using frequency ratio, entropy methods and TOPSIS decision making methods (Case study: Fahliyan basin, Fars)

Author(s)

RAZAVI S.V. | SHIRANI K. | Issue Writer Certificate

Keywords

Landslide zoningQ2

Frequency ratio modelQ1

Entropy modelQ1

Technique for order of preference by similarity to ideal solution (TOPSIS) methodQ1

Fahliyan basin-FarsQ1

Abstract

Distinguishing the susceptible areas to landslide using appropriate experimental models of landslide susceptibility mapping is one of the primitive and basic works to reduce probable damages and reduce risk in country's watersheds. In this research, thirteen factors, including altitude, slope, aspect, rainfall, plan curvature, profile curvature, Topographic Wetness Index (TWI), Stream power index (SPI), distance from the river, distance from road, distance from the fault, lithology, and land use are identified as effective parameters in landslide occurrence in the studied area. The landslide landslide distribution map was prepared using Landsat 2017 satellite imagery and Field studies (2017). Then, the landslide susceptibility mapping was performed with three methods, including frequency ratio, entropy and TOPSIS. The results were evaluated using receiver operating characteristic (ROC) curve. The area under the curve (AUC) of applied models shows the accuracy of 84, 87. 7, and 91 percent for entropy frequency ratio and TOPSIS models, respectively. The results are indicative statistical models have a better accuracy in comparison with MCDM models and expert approaches. The results of the present study could be useful for better managing the flood affected areas and to reduce its damage.

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APA: Copy

RAZAVI, S.V., & SHIRANI, K.. (2019). Landslide hazard zoning using frequency ratio, entropy methods and TOPSIS decision making methods (Case study: Fahliyan basin, Fars). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), 9(4 (33) ), 119-138. SID. https://sid.ir/paper/189587/en

Vancouver: Copy

RAZAVI S.V., SHIRANI K.. Landslide hazard zoning using frequency ratio, entropy methods and TOPSIS decision making methods (Case study: Fahliyan basin, Fars). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE)[Internet]. 2019;9(4 (33) ):119-138. Available from: https://sid.ir/paper/189587/en

IEEE: Copy

S.V. RAZAVI, and K. SHIRANI, “Landslide hazard zoning using frequency ratio, entropy methods and TOPSIS decision making methods (Case study: Fahliyan basin, Fars),” JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), vol. 9, no. 4 (33) , pp. 119–138, 2019, [Online]. Available: https://sid.ir/paper/189587/en

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