A framework to support decision making in the selection of sustainable drainage system design alternatives.

J Environ Manage

Centre for Water Systems, College of Engineering, Mathematics and Physical Sciences, University of Exeter, North Park Rd, Exeter, EX4 4QF, Devon, UK.

Published: October 2017

This paper presents a new framework for decision making in sustainable drainage system (SuDS) scheme design. It integrates resilience, hydraulic performance, pollution control, rainwater usage, energy analysis, greenhouse gas (GHG) emissions and costs, and has 12 indicators. The multi-criteria analysis methods of entropy weight and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) were selected to support SuDS scheme selection. The effectiveness of the framework is demonstrated with a SuDS case in China. Indicators used include flood volume, flood duration, a hydraulic performance indicator, cost and resilience. Resilience is an important design consideration, and it supports scheme selection in the case study. The proposed framework will help a decision maker to choose an appropriate design scheme for implementation without subjectivity.

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http://dx.doi.org/10.1016/j.jenvman.2017.06.034DOI Listing

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