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Evaluation Method of Synergy Degree for Comprehensive Benefits System of Hydropower Projects

Author

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  • Xuan Zhou

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    Sichuan Vocational and Technical College of Communications, No. 208 East Section, Liutai Avenue, Wenjiang District, Chengdu 611130, China)

  • Chen Chen

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China)

  • Jiankang Chen

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China)

  • Yanling Li

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China)

  • Xiang Lu

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China)

  • Junru Li

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China)

  • Yongfei Wang

    (State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    College of Water Resource & Hydropower, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
    Dam Management Center of Dadu River Hydropower Development Co., Ltd., Chengdu 610093, China)

Abstract

The hydropower project had comprehensively benefited people from aspects of the economy, society, ecology, etc. The comprehensive benefit is a key indicator for evaluating a project’s performance. However, the existing studies only evaluated the comprehensive benefit and ignored the relationship among different benefits, which is of great significance for the sustainable development of a project. Therefore, in the framework of the complex system composed of economic, social, and ecological benefit subsystems, a synergy degree evaluation method is constructed based on the evaluation index system of the comprehensive benefits, and the compound weight is determined by using the non-linear model and the Lagrange function. Thus, the changing rules of the order degree and the synergy degree for the subsystems in different years can be obtained. The proposed method is applied to a gate dam (named SG) to appraise the relationship among benefits. The results show that the economic, social, and ecological benefits of the SG dam from 2011 to 2018 are gradually to be a better state, but the synergy degrees of the complex system belong to “bottom synergy” and “moderate synergy” level, which indicates that there is no close cooperation among the three benefit subsystems.

Suggested Citation

  • Xuan Zhou & Chen Chen & Jiankang Chen & Yanling Li & Xiang Lu & Junru Li & Yongfei Wang, 2021. "Evaluation Method of Synergy Degree for Comprehensive Benefits System of Hydropower Projects," Sustainability, MDPI, vol. 13(19), pages 1-12, September.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:19:p:10770-:d:645117
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    References listed on IDEAS

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    1. Xing Huang & Junyi Song & Xing Li & Hua Bai, 2020. "Evaluation model of synergy degree for disaster prevention and reduction in coastal cities," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 100(3), pages 933-953, February.
    2. Zhang, Tong & Tan, Qian & Yu, Xiaoning & Zhang, Shan, 2020. "Synergy assessment and optimization for water-energy-food nexus: Modeling and application," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    3. Singh, Rana Pratap & Nachtnebel, Hans Peter, 2016. "Analytical hierarchy process (AHP) application for reinforcement of hydropower strategy in Nepal," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 43-58.
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    1. Yudong Tan & Guosheng Xie & Yunhao Xiao & Yi Luo & Xintao Xie & Ming Wen, 2022. "Comprehensive Benefit Evaluation of Hybrid Pumped-Storage Power Stations Based on Improved Rank Correlation-Entropy Weight Method," Energies, MDPI, vol. 15(22), pages 1-17, November.

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