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Sustainability 2018, 10(1), 138; doi:10.3390/su10010138

Sustainability Risk Evaluation for Large-Scale Hydropower Projects with Hybrid Uncertainty

1,†,* and 2
Business School, Sichuan University, Chengdu 610064, China
School of Management, Wuhan University of Technology, Wuhan 430070, China
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Received: 4 November 2017 / Revised: 11 December 2017 / Accepted: 6 January 2018 / Published: 9 January 2018
(This article belongs to the Special Issue Hydropower and Sustainability)
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As large-scale hydropower projects are influenced by many factors, risk evaluations are complex. This paper considers a hydropower project as a complex system from the perspective of sustainability risk, and divides it into three subsystems: the natural environment subsystem, the eco-environment subsystem and the socioeconomic subsystem. Risk-related factors and quantitative dimensions of each subsystem are comprehensively analyzed considering uncertainty of some quantitative dimensions solved by hybrid uncertainty methods, including fuzzy (e.g., the national health degree, the national happiness degree, the protection of cultural heritage), random (e.g., underground water levels, river width), and fuzzy random uncertainty (e.g., runoff volumes, precipitation). By calculating the sustainability risk-related degree in each of the risk-related factors, a sustainable risk-evaluation model is built. Based on the calculation results, the critical sustainability risk-related factors are identified and targeted to reduce the losses caused by sustainability risk factors of the hydropower project. A case study at the under-construction Baihetan hydropower station is presented to demonstrate the viability of the risk-evaluation model and to provide a reference for the sustainable risk evaluation of other large-scale hydropower projects. View Full-Text
Keywords: sustainability risk; hydropower projects; risk-related degree; fuzzy random uncertainty; risk evaluation sustainability risk; hydropower projects; risk-related degree; fuzzy random uncertainty; risk evaluation

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Tang, W.; Li, Z.; Tu, Y. Sustainability Risk Evaluation for Large-Scale Hydropower Projects with Hybrid Uncertainty. Sustainability 2018, 10, 138.

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