A multi-criteria risk-based approach for optimal planning of SuDS solutions in urban flood management

Journal article (2022)

Authors

Mozhgan Karami Amirkabir University of Technology
Kourosh Behzadian University of West London
Abdollah Ardeshir Amirkabir University of Technology
Azadeh Hosseinzadeh Amirkabir University of Technology
Z. Kapelan Sanitary Engineering - CEG
Research Group
Sanitary Engineering (CEG) (TU Delft)
Copyright: © 2022 Mozhgan Karami, Kourosh Behzadian, Abdollah Ardeshir, Azadeh Hosseinzadeh, Z. Kapelan
DOI: https://doi.org/10.1080/1573062X.2022.2117632
Multi-criteria decision making Flood risk management Urban drainage systems Compromise programming
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Published Date

2022

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Water Management

Research Group

Sanitary Engineering

Abstract

This paper presents a multi-criteria risk-based approach for managing urban flood hazards by using a combination of conventional measures and contemporary Sustainable Drainage Systems (SuDS). A multi-objective optimisation model coupled with a simulation model of UDS in the SWMM software is developed with the three objectives of minimising total costs, the risk of flooding and pollution discharged into receiving waters. K-means clustering technique is used to group the optimal solutions. A few optimal solutions and individual SuDS solutions are then ranked together by using the compromise programming (CP) method. The methodology is demonstrated by its application on a case study of the Golestan city UDS in Iran. The results obtained show there are indirect correlations between non-dominated solutions that minimise the risk of either flooding or pollution. The results also show the selected optimal solutions can provide cost-effective strategies that reduce both flood and pollution risks by at least 27% and 50%, respectively.