Many-objective optimization and visual analytics reveal key trade-offs for London’s water supply

• Published in: Journal of hydrology (Amsterdam) Vol. 531; pp. 1040 - 1053
• Main Authors: Matrosov, Evgenii S., Huskova, Ivana, Kasprzyk, Joseph R., Harou, Julien J., Lambert, Chris, Reed, Patrick M.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2015
• Subjects: Analytics; assets; capital; desalination; Design engineering; energy costs; Evolutionary multi-objective optimization; groundwater; groundwater recharge; Infrastructure system design; Management; Multi-criteria decision-making; operating capital; operating costs; Optimization; planning; systems engineering; tariffs; Trade-off analysis and visualization; Tradeoffs; Visual; Water resources; Water resources planning; water reuse; Water supplies; water supply; British Isles, England, Greater London, London; British Isles, England, Thames R; Water resources planning; Trade-off analysis and visualization; Infrastructure system design; Evolutionary multi-objective optimization; Multi-criteria decision-making

•We link a water resource system simulator and a many-objective evolutionary algorithm.•Many-objective visual analytics helps visualize trade-offs between objectives.•Single objective least-cost, reliability constrained formulations can bias decisions.•We consider new supply and demand management op...