Zoning the Risk of Flood in Birjand

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SABERIFAR ROSTAM; Shokri Homer

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Journal: TOWN AND COUNTRY PLANNING Year:2019 | Volume:11 | Issue:1 Page(s): 159-178

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Information Journal Paper

Title

Zoning the Risk of Flood in Birjand

Author(s)

SABERIFAR ROSTAM | Shokri Homer | Issue Writer Certificate

Keywords

FloodingQ2

Urban FloodingQ2

Hazard ZoningQ1

BirjandQ2

Abstract

Physical expansion of cities, particularly those that have experienced unusual growth due to economic, social, and political transformations, has led to numerous problems. To this end, the purpose of this study was to investigate conditions of Birjand City regarding Flooding and Hazard Zoning caused by this important natural event. The present study is applied regarding the objective and descriptive-analytic considering its methodology. The study was descriptive-analytic and performed through prediction of the scope of damages caused by floods and based on Hazard Zoning. Data gathered regarding land use, population density, features of existing watercourses, slope, residential and population density, CN coefficient, runoff, the age of buildings, open spaces, and other influencing components. Collected data were weighed after correction and conversion, and required maps were prepared after conducting paired comparisons and determination of eventual coefficients for each layer. AHP model and associated software, particularly Expert Choice, and ArcGIS, were used to determine final weights and coefficients. According to the results, given that development of Birjand City has been done on the sub-basin of the existing watercourse, all the city is exposed to the risk of Flooding. However, southern and southeastern zones with almost 20% of the city area are subject to high and very high risk; northwestern and southeastern with 50% of the area are subject to average risk; and other zones of the city with less than 30% of area are subject to low and very low risk. As a result, the operation of flood control and flood warning systems in areas with greater vulnerability should be considered, while illegal occupation of Flooding basins and watercourses should be dealt with.

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APA: Copy

SABERIFAR, ROSTAM, & Shokri, Homer. (2019). Zoning the Risk of Flood in Birjand. TOWN AND COUNTRY PLANNING, 11(1 ), 159-178. SID. https://sid.ir/paper/377591/en

Vancouver: Copy

SABERIFAR ROSTAM, Shokri Homer. Zoning the Risk of Flood in Birjand. TOWN AND COUNTRY PLANNING[Internet]. 2019;11(1 ):159-178. Available from: https://sid.ir/paper/377591/en

IEEE: Copy

ROSTAM SABERIFAR, and Homer Shokri, “Zoning the Risk of Flood in Birjand,” TOWN AND COUNTRY PLANNING, vol. 11, no. 1 , pp. 159–178, 2019, [Online]. Available: https://sid.ir/paper/377591/en

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