小浪底水库库区支流东洋河及西阳河泥沙淤积规律分析  

Analysis of Sedimentation Pattern of Dongyang River and Xiyang River in Xiaolangdi Reservoir Region

作　　者：祁志峰 屈章彬 焦玉峰 曲少军[3] 

机构地区：[1]小浪底工程咨询有限公司,河南郑州450000 [2]小浪底水利枢纽建设管理局水力发电厂,河南济源459017 [3]黄河水利科学研究院,河南郑州450003

出　　处：《水电能源科学》2011年第10期85-87,共3页Water Resources and Power

基　　金：水利部公益性行业科研专项经费基金资助项目(200901014)

摘　　要：针对小浪底水库蓄水后泥沙淤积影响支流淤积的问题,以小浪底水库库区支流东洋河、西阳河为例,介绍了干流及支流泥沙观测断面的布置及测验方法,并分析了东洋河、西阳河泥沙淤积观测结果。结果表明,干流三角洲淤积体已在支流河口形成了拦门沙坎,致使支流河底纵向坡度变小甚至变为倒坡,这对小浪底水库运行及黄河干流及其支流排沙将产生不利影响,有必要深入研究并提出防治措施。With regard to the sedimentation of branch rivers that is affected by the sedimentation of Xiaolangdi Reservoir after water storage, this paper introduces the arrangement of sediment observation sections in the main stream and branch rivers and test method by taking the Dongyang river and Xiyang river for an example, which are branches within the Xiaolangdi reservoir region. And then the observation results of sediment siltation are analyzed. The results show that the siltation at the delta of main stream has formed river mouth weirs, which results in diminution of longitudinal grade of branch river bottom and even adverse slope appeared. The aforementioned phenomenon would bring forth adverse effects to the operation of Xiaolangdi reservoir and to sediment discharge of Yellow River main stream and its branches. There-fore, it is necessity to deeper research for seeking prevention measures.

关 键 词：库区 支流 泥沙 淤积 规律 

分 类 号：TV145[水利工程—水力学及河流动力学]