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Aiming at the difficulty to coordinate multi-source,multi-demand area and multi-decision-maker in water resources allocation of Hongyanhe river water diversion project,the mathematical model of multi-objective optimization allocation of water resources was established considering economic benefit,social benefit and environmental benefit.The NSGA-Ⅲ based on the reference point selection mechanism was used to obtain multi-objective Pareto solution set of water resources allocation.The SP value of NSGA-Ⅲ is always smaller than the that of NSGA-Ⅱ,indicating that NSGA-Ⅲ can improve the uniformity of Pareto solution set distribution and maintain the diversity of the population.By analyzing the distribution of the solution sets of any two of the three objectives,it shows that NSGA-Ⅲ is more capable of optimizing the three objective functions of economic benefit,social benefit and environmental benefit.The results show that the NSGA-Ⅲ algorithm is suitable for solving the problem of multi-objective optimal allocation of water resources,which can provide the basis for decision maker to choose the scheme.
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Basic Information:
DOI：10.20040/j.cnki.1000-7709.2021.02.006
China Classification Code:TV213.4
Citation Information:
[1]LI Jian-mei,TIAN Jun-cang.Application of NSGA-Ⅲ Algorithm in Multi-objective Optimization Allocation of Water Resources[J].Water Resources and Power,2021,39(02):22-26+81.DOI:10.20040/j.cnki.1000-7709.2021.02.006.
Fund Information:
国家重点研发计划(2018YFC0408104); 宁夏回族自治区重点研发计划重大项目(2018BBF02022); 宁夏高等学校一流学科建设项目(NXYLXK2017A03); 教育部“长江学者和创新团队发展计划”创新团队资助项目(IRT1067)
2021-02-25
2021-02-25