Analysis of the Coordinated Operation of Reservoirs and Weirs during the Management of Nakdong River Water Resources
Publication: Journal of Water Resources Planning and Management
Volume 143, Issue 8
Abstract
This study discerns optimal rules for coordinated operation of existing dams and eight newly constructed weirs in the Nakdong River through use of a system network while considering the water supply and operating facilities. To determine the operation rules, capacity was simulated by reservoir operations modeling and evaluated separately under the following three cases: (1) when dams were operated individually; (2) when they were operated in conjunction with other dams; and (3) when dams and weirs were operated in conjunction with each other. The water supply capacity of the Nakdong was highest in Case 3. When considering operational losses (9.1 and 14.8% in Cases 2 and 3, respectively), water supply decreased. Findings show that when water levels drop below the target, hydrological facilities should flexibly adjust water storage and flow rates at each dam in the system. Further studies are needed to investigate the influence of agricultural reservoirs and river channel discharged flows and to identify regions vulnerable to water shortages driven by future fluctuations in water resources due to climate change.
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Acknowledgments
This research was supported by a grant (11-TI-C06) from the Advanced Water Management Research Program funded by the Ministry of Land, Infrastructure and Transport of Korea.
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Published In
Journal of Water Resources Planning and Management
Volume 143 • Issue 8 • August 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Mar 17, 2015
Accepted: Jan 30, 2017
Published online: Apr 19, 2017
Published in print: Aug 1, 2017
Discussion open until: Sep 19, 2017
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