Vulnerability Assessment in Urban Areas against Flood with Fuzzy Logic (case study: Tehran District 22)

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Esmaeili Alavijeh Elham; KARIMI SAEID; ALAVIPOOR FATEMEH SADAT

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Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2020 | Volume:22 | Issue:3 (94) Page(s): 349-361

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Information Journal Paper

Title

Vulnerability Assessment in Urban Areas against Flood with Fuzzy Logic (case study: Tehran District 22)

Author(s)

Esmaeili Alavijeh Elham | KARIMI SAEID | ALAVIPOOR FATEMEH SADAT | Issue Writer Certificate

Keywords

FloodQ2

VulnerabilityQ2

Fuzzy LogicQ1

Tehran District 22Q1

Abstract

Background and Objective: In general, in recent decades, due to urban lives on the sidelines of rivers, dwellers of these areas have been the subject of damages caused by Flood. The goal of this research is determining the Vulnerability level of urban areas against Flood in order to reducing human and financial losses. Method: For this purpose, Chung fuzzy analysis hierarchical process method (fuzzy AHP) is used due to the higher degree of possibility for weighting criteria of gradient, soil, distance from river, geology, height, land usage, and population. After weighting, the criteria of Vulnerability in the environment ARCGIS were fuzzy and ultimately fuzzy operators were used for overlapping layers. Findings: To amend the obtained maps, algebraic multiplication and algebraic addition operators, Gamma 0. 9, Gamma 0. 7 and Gamma 0. 5 operators were used. Obtained map from Gamma 0. 7 operator was chosen as the final map of Vulnerability for obtaining more appropriate result. Discussion and Conclusion: Therefore, considering the final map, and that the percentage of population density is over 1. 07 in the eastern north of the area near Kan river, the possibility of Vulnerability is proposed to be high in that area. Also it is possible that unpermitted constructions in Kan and Vardavard River limits will lead to water aggregation and its sudden release in the area, and if the process of unpermitted constructions and population increase is continued in the area, it can be resulted that the possibility of Vulnerability against Flood may be high in Tehran District 22.

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APA: Copy

Esmaeili Alavijeh, Elham, KARIMI, SAEID, & ALAVIPOOR, FATEMEH SADAT. (2020). Vulnerability Assessment in Urban Areas against Flood with Fuzzy Logic (case study: Tehran District 22). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 22(3 (94) ), 349-361. SID. https://sid.ir/paper/387584/en

Vancouver: Copy

Esmaeili Alavijeh Elham, KARIMI SAEID, ALAVIPOOR FATEMEH SADAT. Vulnerability Assessment in Urban Areas against Flood with Fuzzy Logic (case study: Tehran District 22). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2020;22(3 (94) ):349-361. Available from: https://sid.ir/paper/387584/en

IEEE: Copy

Elham Esmaeili Alavijeh, SAEID KARIMI, and FATEMEH SADAT ALAVIPOOR, “Vulnerability Assessment in Urban Areas against Flood with Fuzzy Logic (case study: Tehran District 22),” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 22, no. 3 (94) , pp. 349–361, 2020, [Online]. Available: https://sid.ir/paper/387584/en

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