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Wen-Ming Cheng, Chien-Lin Huang, Nien-Sheng Hsu and Chih-Chiang Wei
This study applies an integrated methodology to assess short-term over-levee risk and long-term water shortage risk in the Da-Han Creek basin, which is the most important flood control and water storage system in northern Taiwan. An optimization model fo...
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Bin Xu, Ping-An Zhong, Qiyou Huang, Jianqun Wang, Zhongbo Yu and Jianyun Zhang
Hedging rules for water supply reservoir operations provide guidelines for balancing the consequences of competing water allocations. When inflow forecast uncertainty is addressed, hedging acts as insurances for offsetting the negative influence of water...
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Wen-Ming Cheng, Chien-Lin Huang, Nien-Sheng Hsu, Chih-Chiang Wei
Pág. 1 - 23
This study applies an integrated methodology to assess short-term over-levee risk and long-term water shortage risk in the Da-Han Creek basin, which is the most important flood control and water storage system in northern Taiwan. An optimization model fo...
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Bin Xu, Ping-An Zhong, Qiyou Huang, Jianqun Wang, Zhongbo Yu, Jianyun Zhang
Pág. 1 - 17
Hedging rules for water supply reservoir operations provide guidelines for balancing the consequences of competing water allocations. When inflow forecast uncertainty is addressed, hedging acts as insurances for offsetting the negative influence of water...
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James Connaughton, Natalie King, Licheng Dong, Patrick Ji and Jay Lund
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James Connaughton, Natalie King, Licheng Dong, Patrick Ji and Jay Lund
The effectiveness of three simple flood operating rules in reducing the peak flow is compared for four simplified hydrograph shapes. The Minimize Flood Peak rule uses available flood storage capacity to store peak flows from an accurate hydrograph foreca...
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Jijian Lian, Ye Yao, Chao Ma and Qizhong Guo
Since the first impoundment of Three Gorges Dam in 2003, algal blooms occur frequently in the near-dam tributaries. It is widely recognized that the impoundment-induced change in hydrodynamic condition with the lower current velocity will make the eutrop...
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Zhiqiang Jiang, Hui Qin, Wenjie Wu and Yaqi Qiao
Although many optimization models and methods are applied to the optimization of reservoir operation at present, the optimal operation decision that is made through these models and methods is just a retrospective review. Due to the limitation of hydrolo...
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Jijian Lian, Ye Yao, Chao Ma and Qizhong Guo
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Ling Kang, Song Zhang, Yi Ding, Xiaocong He
Pág. 1 - 18
This paper presents a new methodology of combined use of the nondominated sorting genetic algorithm II (NSGA-II) and the approach of successive elimination of alternatives based on order and degree of efficiency (SEABODE) in identifying the most preferre...
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Mohammad Ehteram, Suhana Binti Koting, Haitham Abdulmohsin Afan, Nuruol Syuhadaa Mohd, M. A. Malek, Ali Najah Ahmed, Amr H. El-shafie, Chiu Chuen Onn, Sai Hin Lai and Ahmed El-Shafie
In recent decades, solving complex real-life optimization problems has attracted the full attention of researchers. Dam and reservoir operation rules are considered one of the most complicated optimization engineering problems. In fact, the operation rul...
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Wenhua Wan, Yueyi Liu, Hang Zheng, Jianshi Zhao, Fei Zhao and Yajing Lu
Reservoirs are susceptible to interference from inter-basin water transfer projects intended to relieve serious water shortages. The Central Route of the South-to-North Water Division Project in China has altered the hydrological conditions and water sto...
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Tiesong Hu, Xu-Zhao Zhang, Xiang Zeng, Jing Wang
Pág. 1 - 22
Hedging is widely used to mitigate severe water shortages in the operation of reservoirs during droughts. Rationing is usually instituted with one hedging policy, which is based only on one trigger, i.e., initial storage level or current water availabili...
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Yi Ji, Xiaohui Lei, Siyu Cai, Xu Wang
Pág. 1 - 14
This study proposes a hedging rule model which is composed of a two-period reservior operation model considering the damage depth and hedging rule parameter optimization model. The former solves hedging rules based on a given poriod?s water supply weight...
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Yi Ji, Xiaohui Lei, Siyu Cai and Xu Wang
This study proposes a hedging rule model which is composed of a two-period reservior operation model considering the damage depth and hedging rule parameter optimization model. The former solves hedging rules based on a given poriod?s water supply weight...
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Yongqi Liu, Guibing Hou, Baohua Wang, Yang Xu, Rui Tian, Tao Wang and Hui Qin
Flood control operation of cascade reservoirs is an important technology to reduce flood disasters and increase economic benefits. Flood forecast information can help reservoir managers make better use of flood resources and reduce flood risks. In this p...
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Yongtao Liu, Dongjian Zheng, Christos Georgakis, Thomas Kabel, Enhua Cao, Xin Wu and Jiajia Ma
During the operation period, the deformation of an ultra-high arch dam is affected by the large fluctuation of the reservoir water level. Under the dual coupling of the ultra-high dam and the complex water level conditions, the traditional variational an...
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Changming Ji, Hongjie Yu, Jiajie Wu, Xiaoran Yan and Rui Li
Currently research on joint operation of a large reservoir and its re-regulating reservoir focuses on either water quantity regulation or water head regulation. The accuracy of relevant models is in need of improvement if the influence of factors such as...
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Stefan Liersch, Hagen Koch, Fred Fokko Hattermann
Pág. 1 - 24
Close to the border with Sudan, Ethiopia is currently building the largest hydroelectric power plant in Africa with a storage volume corresponding to approximately 1.5 years of the mean discharges of the Blue Nile. This endeavor is controversially debate...
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Yi Ji, Xiaohui Lei, Siyu Cai, Xu Wang
Pág. 1 - 12
Data mining technology is applied to extract the water supply operation rules in this study. Five characteristic attributes?reservoir storage water, operation period number, water demand, runoff, and hydrological year?are chosen as the dataset, and these...
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