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Title: Using system dynamics for sustainable water resources management in Singapore
Authors: Xi, X.
Poh, K.L. 
Keywords: Decision support
System dynamics
Water resources management
Issue Date: 2013
Citation: Xi, X., Poh, K.L. (2013). Using system dynamics for sustainable water resources management in Singapore. Procedia Computer Science 16 : 157-166. ScholarBank@NUS Repository.
Abstract: To strive to full self-sufficiency in water, Singapore has invested heavily in desalination, wastewater reclamation (branded as NEWater), water catchment management and other similar projects. Among the many alternatives to augment Singapore's water supply, decision-makers need to know which one is the most sustainable plan to pursue. This research project aims to demonstrate the usefulness of System Dynamics (SD) as a decision support tool to help achieve sustainable water management in Singapore. We have developed a system dynamics model called SingaporeWater and analyzed the long-term impacts of various investment plans. We discovered that investing in underground water storage or surface water catchments alone is not sufficient to help achieve self-sufficiency in water. If Singapore starts to invest in desalination or NEWater only after there is inadequacy of water, then it will result in about five years of water shortage followed by another five years of water abundance. The results highlight the need to build water infrastructures well in advance in order to meet Singapore's future water demand. © 2013 The authors. Published by Elsevier B.V.
Source Title: Procedia Computer Science
ISSN: 18770509
DOI: 10.1016/j.procs.2013.01.017
Appears in Collections:Staff Publications

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