Zoning the vulnerability of urban areas against natural hazards by using the hybrid FUZZY-AHP model (case study: region two of Tehran metropolis)

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Norouzi Tiula Rana; Husseinzadeh Mohammad Mahdi

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Journal: Journal of Rescue and Relief Year:2017 | Volume:9 | Issue:3 Page(s): 1-16

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Title

Zoning the vulnerability of urban areas against natural hazards by using the hybrid FUZZY-AHP model (case study: region two of Tehran metropolis)

Author(s)

Norouzi Tiula Rana | Husseinzadeh Mohammad Mahdi | Issue Writer Certificate

Keywords

environmental hazardsQ1

vulnerabilityQ2

FUZZY-AHPQ1

region two of TehranQ1

Abstract

Background: Natural factors have always imposed damages and risks on natural environments throughout history in different parts of the world. The occurrence of natural disasters such as earthquakes, floods, storms, and landslides has caused many casualties and financial losses. The region two of Tehran metropolis is a challenge for planners due to urban hazards and one of the areas with high potential for natural hazards in terms of the change user, increase in population, urbanization, passage of main and minor faults, and the presence of north rivers of Tehran. Method: In this study, data studied and analyzed by modeling of environmental criteria and layers using Analytical Hierarchy Process (AHP) and fuzzy classification also the results were analyzed using Expert Choice software. Finally, the environmental vulnerability of the area was zoned by using GIS spatial analysis. Findings: The findings represented that the vulnerability of region two was determined based on the combination of FUZZY-AHP models. The regions of two, six, and eight were the most vulnerable parts while regions three, seven and nine of Tehran were the least vulnerable to environmental hazards. Conclusion: The results showed that of Tehran region two with an area of 2558. 28 hectare 49. 33% is at low risk, 39. 93% in moderate risk, and 10. 74% is at high risk. In fact, in this region, factors such as unconventional urban construction regardless of drainage network increase runoff and levels of impenetrable or low permeability in precipitation. In addition, other factors such as passing faults such as north of Tehran, Niavaran, Davoodiyeh and etc., as well as high population density, the high slope of the area and the erosion raise the risk of landslides due to the unsteady texture in the largest area of the region. However, the middle parts of the region are more desirable based on the open urban spaces and the lack of specific use.

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APA: Copy

Norouzi Tiula, Rana, & Husseinzadeh, Mohammad Mahdi. (2017). Zoning the vulnerability of urban areas against natural hazards by using the hybrid FUZZY-AHP model (case study: region two of Tehran metropolis). SCIENTIFIC JOURNAL OF RESCUE AND RELIEF, 9(3 ), 1-16. SID. https://sid.ir/paper/190736/en

Vancouver: Copy

Norouzi Tiula Rana, Husseinzadeh Mohammad Mahdi. Zoning the vulnerability of urban areas against natural hazards by using the hybrid FUZZY-AHP model (case study: region two of Tehran metropolis). SCIENTIFIC JOURNAL OF RESCUE AND RELIEF[Internet]. 2017;9(3 ):1-16. Available from: https://sid.ir/paper/190736/en

IEEE: Copy

Rana Norouzi Tiula, and Mohammad Mahdi Husseinzadeh, “Zoning the vulnerability of urban areas against natural hazards by using the hybrid FUZZY-AHP model (case study: region two of Tehran metropolis),” SCIENTIFIC JOURNAL OF RESCUE AND RELIEF, vol. 9, no. 3 , pp. 1–16, 2017, [Online]. Available: https://sid.ir/paper/190736/en

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