| 渭河下游河道冲淤规律及断面形态变化研究 |
| |
| 引用本文： | 戴清,胡健,周文浩. 渭河下游河道冲淤规律及断面形态变化研究[J]. 人民黄河, 2010, 32(4). DOI: 10.3969/j.issn.1000-1379.2010.04.018 |
| |
| 作者姓名： | 戴清 胡健 周文浩 |
| |
| 作者单位： | 中国水利水电科学研究院,北京,100048 |
| |
| 基金项目： | 水利部江湖治理与防洪重点实验室开放研究基金资助项目，水利部"948"科技创新与推广项目 |
| |
| 摘 要： | 渭河具有水沙异源的特性,水量主要来自于咸阳以上干流,沙量主要来源于支流泾河。在天然水沙断面资料分析及实体模型试验研究的基础上,根据平滩水位变化情况等,将泾、渭河洪水分为4类组合,分析了典型年份不同水沙组合条件下渭河下游河道的冲淤规律及主槽形态的变化特点。结果表明:1975年以渭河为主的大洪水,对扩大主槽形态、提高主槽输水输沙能力具有明显作用,而1992年以泾河为主的大洪水的作用却不明显;河道萎缩条件下的1995年小水大沙使主槽严重淤积、变得更为宽浅,断面面积减小。
|
| 关 键 词： | 水沙组合 冲淤规律 断面形态 平滩水位 渭河下游 |
Study on Law of Scour and Fill and Variations of Section Morphology of the Lower Weihe River |
| |
| DAI Qing,HU Jian,ZHOU Wen-hao. Study on Law of Scour and Fill and Variations of Section Morphology of the Lower Weihe River[J]. Yellow River, 2010, 32(4). DOI: 10.3969/j.issn.1000-1379.2010.04.018 |
| |
| Authors: | DAI Qing HU Jian ZHOU Wen-hao |
| |
| Affiliation: | DAI Qing,HU Jie,ZHOU Wen-hao(China Institute of Water Resources , Hydropower Research,Beijing 100048) |
| |
| Abstract: | The Weihe River has the characteristics of different source of water and sediment.The water mainly comes from the stem stream above Xianyang and sediment mainly from Jinghe River,a tributary of the Weihe River.It divides the floods of Jinghe and Weihe rivers into 4 categories based on data analysis of natural sediment and discharge cross-section and physical modeling.According to variations of bankfull stage,it analyzes the law of scour and fill of the lower Weihe River channel and characteristics of morpho... |
| |
| Keywords: | sediment-discharge combination law of scour and fill section morphology bankfull water level the lower Weihe River |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
