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Open AccessArticle

Optimizing the Management Strategies of a Multi-Purpose Multi-Reservoir System in Vietnam

1
Department of Hydraulic and Ocean Engineering, National Cheng Kung University, No. 1, University Rd., Tainan 701, Taiwan
2
Faculty of Water Resource Engineering, Thuyloi University, Hanoi 100000, Vietnam
*
Author to whom correspondence should be addressed.
Water 2020, 12(4), 938; https://doi.org/10.3390/w12040938
Received: 22 February 2020 / Revised: 22 March 2020 / Accepted: 23 March 2020 / Published: 26 March 2020
(This article belongs to the Special Issue Management of Water-Energy-Food Security Nexus)
Resource shortages are having an increasingly severe impact as global trends like rapid population growth, urbanization, economic development, and climate change unfold. Moreover, rising living standards across many regions are also affecting water and energy resources. This entails an urgent requirement to improve water resources management. An important improvement is to transfer water between the different uses of the reservoir system. A compromise between the needs of hydropower generation and the water supply can be negotiated for the reservoir system to reduce the severity of water shortages. The Be River basin in Vietnam was selected as a case study to investigate. The combination of the generalized water allocation simulation model (GWASIM) and the bounded optimization by quadratic approximation (BOBYQA) algorithm was applied to optimize hydropower generation in various water shortage scenarios. The results present optimized hydropower generation policies for cascade reservoirs that would significantly improve the present operating policy in terms of both the water supply and hydropower generation. Moreover, multiple scenarios will provide flexibility to the reservoir operator by giving the relationship between water and energy. Given water supply conditions, the operator will be able to choose among several optimal solutions to ensure greater water resource efficiency in the Be River basin. View Full-Text
Keywords: cascade reservoirs; hydropower; management; shortage index; water supply cascade reservoirs; hydropower; management; shortage index; water supply
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Chou, F. .-F.; Linh, N.T.T.; Wu, C.-W. Optimizing the Management Strategies of a Multi-Purpose Multi-Reservoir System in Vietnam. Water 2020, 12, 938.

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