黄河下游平滩流量影响因子相关分析  

Correlation Analysis on Affecting Factors of Bankfull Discharge of the Lower Yellow River

作　　者：李文文[1,2] 吴保生[2] 夏军强[2,3] 邵景力[1] 

机构地区：[1]中国地质大学水资源与环境学院,北京100083 [2]清华大学水沙科学与水利水电工程国家重点实验室,北京100084 [3]武汉大学水资源与水电工程科学国家重点实验室,湖北武汉430072

出　　处：《人民黄河》2010年第6期10-12,共3页Yellow River

基　　金：中荷战略科学联盟计划项目(2008DFB90240);水利部"948"项目(200833)

摘　　要：选取影响黄河下游平滩流量的诸多影响因子并加以分类,应用人工神经网络方法,建立了各影响因子与平滩流量的BP模型。分析结果表明:平滩流量计算时应考虑汛期及非汛期来水来沙影响因子、前期水沙条件的累计影响因子与其他因子;考虑汛期、非汛期水沙条件以及上一年汛后平滩流量等影响因子的同时,再加入洪峰流量和中值粒径影响因子,计算的平滩流量与实测值更加符合。The paper selects and classifies lots of affecting factors that influence the bankfull discharge of the lower Yellow River,builds BP model of each affecting factor and bankfull discharge by using the method of artificial neural network.The outcomes show that a) it should consider the affecting factor of coming water and sediment during flood season and non-flood season,accumulated affecting factor of antecedent sediment discharge condition and other factors when calculates bankfull discharge;b) it should add the affecting factors of peak discharge and median diameter while considering the sediment discharge condition in flood season and non-flood season and the affecting factor of bankfull discharge after flood season of the previous year.Therefore,the calculated bankfull discharge is more in line with the observed value.

关 键 词：相关分析 影响因子 平滩流量 黄河下游 

分 类 号：TV147[水利工程—水力学及河流动力学]