北京师范大学学报(自然科学版)2009,Vol.45Issue(5):490-494,5.
黄河下游高含沙洪水冲淤特性及其调控对策初探
FEATURES AND REGULATION OF HIGH-SEDIMENT FLOODS IN THE LOWER YELLOW RIVER
摘要
Abstract
Based on data from lower Yellow River, influence of high-sediment flood on volume of sediment deposit in the main-channel was examined. It was concluded that high-sediment flood from Hekouzhen to Longmen is the main source for main-channel depositation. Decreasing sediment concentration, or increasing discharge or fine-sediment ratio, leads to a decrease in the sediment deposit, realizable by regulating Xiao-lang-di reservoir in the middle reaches. Relating out-and-in sediment ratio and fine-sediment ratio of the reservoir, it is suggested that Xiao-lang-di reservoir keep out-and-in sediment ratio at 50%. Since the source region of the high-sediment flood has "less water and more sediment" and "sediment goes with flood", it is suggested that the flood water should be used on the spot.关键词
黄河/下游/高含沙洪水/河槽/冲淤/调控Key words
the Yellow River/lower reaches/hyper-concentrated sediment flood/main-channel/deposition/regulation分类
建筑与水利引用本文复制引用
刘晓燕,申冠卿,张原锋,姜乃迁..黄河下游高含沙洪水冲淤特性及其调控对策初探[J].北京师范大学学报(自然科学版),2009,45(5):490-494,5.基金项目
"十一五"国家科技支撑计划资助项目(2006BAB06808) (2006BAB06808)