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Flood risk assessment of metro systems in a subsiding environment using the interval FAHP-FCA approach
Hai-Min Lyu1; Shui-Long Shen2,3; An-Nan Zhou3; Wan-Huan Zhou4
Source PublicationSustainable Cities and Society

Metro systems are vulnerable to flooding during rainstorms and this situation worsens when a subsiding environment prevails. This study adopts the interval fuzzy analytic hierarchy process (FAHP) incorporated with fuzzy clustering analysis (FCA) to assess the flood risk of metro systems in subsiding environments, considering both the regional subsidence of the ground and the longitudinal settlement along metro lines as assessment factors. Shanghai metro system is analysed as an example by using the proposed method (the FAHP–FCA approach) together with the geographical information system (GIS). The assessment results show that more than 30% of metro lines in Shanghai are at a high risk of flooding, and the high-risk regions of metro lines are located in urban centres. The ratio of high-risk regions identified by the FAHP–FCA approach exceeds that obtained using the existing FAHP approach, which indicates that the FCA-FAHP approach can capture high-risk metro systems in Shanghai. Moreover, the comparison also shows that subsiding environments exacerbate the flood risk of metro systems. It is proposed that, to mitigate the risk of flooding, subsidence environments should be considered in more detail.

KeywordFlood Risk Metro System Fahp Fca Gis Subsiding Environment
URLView the original
Indexed BySCIE
WOS Research AreaConstruction & Building Technology ; Science & Technology - Other Topics ; Energy & Fuels
WOS SubjectConstruction & Building Technology ; Green & Sustainable Science & Technology ; Energy & Fuels
WOS IDWOS:000484255800058
Scopus ID2-s2.0-85068517044
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Document TypeJournal article
Corresponding AuthorShui-Long Shen
Affiliation1.Department of Civil Engineering,School of Naval Architecture,Ocean,and Civil Engineering,Shanghai Jiao Tong University,Shanghai,200240,China
2.Key Laboratory of Intelligent Manufacturing Technology,Ministry of Education,Department of Civil and Environmental Engineering,College of Engineering,Shantou University,Shantou,515063,China
3.Civil and Infrastructure Engineering Discipline,School of Engineering,Royal Melbourne Institute of Technology (RMIT),3001,Australia
4.State Key Laboratory of Internet of Things for Smart City and Department of Civil and Environmental Engineering,University of Macau,China
Recommended Citation
GB/T 7714
Hai-Min Lyu,Shui-Long Shen,An-Nan Zhou,et al. Flood risk assessment of metro systems in a subsiding environment using the interval FAHP-FCA approach[J]. Sustainable Cities and Society,2019,50.
APA Hai-Min Lyu,Shui-Long Shen,An-Nan Zhou,&Wan-Huan Zhou.(2019).Flood risk assessment of metro systems in a subsiding environment using the interval FAHP-FCA approach.Sustainable Cities and Society,50.
MLA Hai-Min Lyu,et al."Flood risk assessment of metro systems in a subsiding environment using the interval FAHP-FCA approach".Sustainable Cities and Society 50(2019).
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