Volume 26, Issue 3 (Fall 2022)                   jwss 2022, 26(3): 247-265 | Back to browse issues page

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Ayoubi Ayoublu S, Vafakhah M, Pourghasemi H. Flood Risk Assessment using Multi-Criteria Decision-Making Models (MCDM) and Data Mining Methods (Case Study: Shiraz District 4). jwss 2022; 26 (3) :247-265
URL: http://jstnar.iut.ac.ir/article-1-4233-en.html
Tarbiat Modares University , vafakhah@modares.ac.ir
Abstract:   (1038 Views)
Population growth, urbanization, and land use change have increased disastrous floods. Iran is also among the countries at high risk of floods. The latest examples of flood damage are the devastating floods of the spring of 2019 with significant mortality and financial losses in more than ten provinces of the country. The purpose of this study is to prepare an urban flood risk map of District 4 City Shiraz. The vulnerability of the region was made using PROMETHEE Ⅱ and COPRAS multi-criteria decision-making models and urban flood hazard zones were prepared by partial least squares regression (PLSR) and ridge regression (RR) models and a risk map was obtained by multiplying the vulnerability and hazard in ArcGIS software. The highest percentage of the study area in the PROMETHEE Ⅱ and COPRAS models belongs to the moderate class of vulnerability. The evaluation of the vulnerability models using Boolean logic and RMSE and MAPE statistics, showed that the COPRAS model provided better results than the PROMETHEE model. The results of partial least square regression (PLSR) and ridge regression (RR) models in flood risk modeling were analyzed by the Taylor diagram, which showed the superiority of the ridge regression (RR) model and the accuracy of this model in preparing urban flood hazard maps. The risk map of the study area indicated that 34% of the area (973 ha) is in the range of high and very high flood risk.
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Type of Study: Research | Subject: Ggeneral
Received: 2021/11/25 | Accepted: 2022/01/17 | Published: 2022/12/1

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