Multiobjective fuzzy optimization for sustainable groundwater management using particle swarm optimization and analytic element method

Abstract : Groundwater management involves conflicting objectives as maximization of discharge contradicts the criteria of minimum pumping cost and minimum piping cost. In addition, available data contains uncertainties such as market fluctuations, variations in water levels of wells and variations of ground water policies. A fuzzy model is to be evolved to tackle the uncertainties and a multiobjective optimization is to be conducted to simultaneously satisfy the contradicting objectives. Towards this end, a multiobjective fuzzy optimization model is evolved. To get at the upper and lower bounds of the individual objectives, particle swam optimization (PSO) is adopted. The analytic element method (AEM) is employed to get at the operating potentiometric head. In this study, a multiobjective fuzzy optimization model considering three conflicting objectives is developed using PSO and AEM methods for obtaining a sustainable groundwater management policy. The developed model is applied to a case study and it is demonstrated that the compromise solution satisfies all the objectives with adequate levels of satisfaction. Sensitivity analysis is carried out varying the parameters and it is shown that the effect of any such variation is quite significant.
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Soumis le : mardi 15 décembre 2015 - 17:10:31
Dernière modification le : jeudi 7 février 2019 - 15:56:04

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Shishir Gaur, Srinivasa K. Raju, Nagesh Kumar, Didier Graillot. Multiobjective fuzzy optimization for sustainable groundwater management using particle swarm optimization and analytic element method. Hydrological Processes, Wiley, 2015, 29, pp.4175-4187. 〈http://onlinelibrary.wiley.com/doi/10.1002/hyp.10441/abstract〉. 〈10.1002/hyp.10441〉. 〈hal-01111815〉

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