Fuzzy AHP modelling of urbanization and environmental stress to rank selected Indian cities for liveability

Sovan Sankalp () and Sanat Nalini Sahoo ()
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Sovan Sankalp: NIT Rourkela
Sanat Nalini Sahoo: NIT Rourkela

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2023, vol. 25, issue 7, No 36, 6727-6750

Abstract: Abstract This research introduces two index systems, i.e. urban development growth (UDG) and urban environment stresses (UES) to analyse the magnitude of urban growth and environmental stress scenarios. The UDG index defines an area of impervious cover present in the study area. The UES index estimates environmental disturbances in the form of (water, air, and solid waste) pollutions caused naturally or resulting from human activities. With multiple sub-indices in both the index systems, a multi-criteria decision support tool called fuzzy analytic hierarchy process (FAHP) is used to choose the best alternative by ranking multiple parameters. Pearson’s correlation analysis (r = 0.872) provided a linear relationship between the two systems. The strength and quality of that interconnection were measured by implementing an urban coupling degree model, i.e. a practical feedback framework to examine natural resources’ status followed by infrastructural advancement. A reasonable and realistic “Living Index (LI)” approach was implemented for assigning a rank to Indian cities. FAHP identified land urbanization ratio and chemical oxygen demand discharge per unit area as high weightage sub-indices representing UDG and UES, respectively. The model values concluded that almost all Indian cities were approaching extremes by 2017. The study found Guwahati in the first position and Mumbai in the last based on the liveability index. This ranking approach is more reliable and scientific as it uses reliable models and is not related to human opinions on these parameters. This ranking would be beneficial for urban planners for policymaking.

Keywords: Urban development growth; Environmental stress; Coupling degree; Fuzzy analytic hierarchy process; Ranking index (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10668-022-02327-1

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