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《Journal of Hydroelectric Engineering》 2013-01
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Influences of non-flood-season flow and sediment load on bankfull discharge in lower Yellow River

LI Wenwen1,FU Xudong1,WU Baosheng1,WU Wenqaing2(1.State Key Laboratory of Hydroscience and Engineering;Tsinghua University,Beijing 100084; 2.China Institute of Water Resources and Hydropower Research,Beijing 100038)  
Estimation of bankfull discharge is crucial to determination of water regulating volume and sediment load in the lower Yellow.This paper studies the effects of flow and sediment load in non-flood season on the bankfull discharge at four hydrological stations on this river.BP neural network was used to develop bankfull discharge models that take the control factors of flow and sediment discharge as input conditions.To estimate these effects,two inputs were compared: given volumes of water and sediment load transported only in flood season,the same volumes transported in one hydrological year.The results show that the effects of non-flood season transports on the bankfull discharge are not negligible.Consideration of the non-flood season roles of water flow and suspended load can significantly improve the modeling accuracy of the flows at all the four stations.
【Fund】: 国家自然科学基金项目(51109116);; 国家水专项(2009ZX07212-005-3;; 水利部公益项目(200901016-03);; 中荷战略科学联盟计划项目(2008DFB90240)
【CateGory Index】: TV147
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【Citations】
Chinese Journal Full-text Database 4 Hits
1 LIN Xiu-zhi 1,2,TIAN Yong 1,2,YI Xiao-Yan1,SU Yun-qi1(1.Institute of Hydraulic Research,YRCC,Zhengzhou,450003 2.Hohai University, Nanjing,210098);Response of the bank-full discharge to runoff and sediment load in the Lower Weihe River[J];Journal of Sediment Research;2005-05
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Xue-hua DUAN,Zhao-Yin WANG,and Meng-zhen XU 1 Ph.D.,State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China; Jiangyin Water Conservancy and Farm Machinery Bureau,Jiangyin 214431 China, 2 Prof,State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China, 3 Doctoral candidate,State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China,;Effects of fluvial processes and human activities on stream macro-invertebrates[J];国际泥沙研究(英文版);2011-04
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