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TitleEstimating the potential water reuse based on fuzzy reasoning
Author(s)Almeida, Giovana
Vieira, J. M. Pereira
Marques, Alfeu Sá
Kiperstok, Asher
Cardoso, Alberto
KeywordsPotential water reuse
Water shortage
Fuzzy logic
Climate change
Issue dateJul-2013
JournalJournal of Environmental Management
CitationAlmeida G., Vieira J. M. P., Sá Marques A., Kiperstok A., Cardoso A. Estimating the potential water reuse based on fuzzy reasoning, Journal of Environmental Management, Vol. 128, pp. 883-892, doi:DOI: 10.1016/j.jenvman.2013.06.048, 2013
Abstract(s)Studies worldwide suggest that the risk of water shortage in regions affected by climate change is growing. Decision support tools can help governments to identify future water supply problems in order to plan mitigation measures. Treated wastewater is considered a suitable alternative water resource and it is used for non-potable applications in many dry regions around the world. This work describes a decision support system (DSS) that was developed to identify current water reuse potential and the variables that determine the reclamation level. The DSS uses fuzzy inference system (FIS) as a tool and multi-criteria decision making is the conceptual approach behind the DSS. It was observed that water reuse level seems to be related to environmental factors such as drought, water exploitation index, water use, population density and the wastewater treatment rate, among others. A dataset was built to analyze these features through water reuse potential with a FIS that considered 155 regions and 183 cities. Despite some inexact fit between the classification and simulation data for agricultural and urban water reuse potential it was found that the FIS was suitable to identify the water reuse trend. Information on the water reuse potential is important because it issues a warning about future water supply needs based on climate change scenarios, which helps to support decision making with a view to tackling water shortage.
Publisher version
AccessOpen access
Appears in Collections:C-TAC - Artigos em Revistas Internacionais

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