| 汛末蓄水时间对三峡水库河道冲淤的影响 |
| |
| 引用本文： | 彭杨,李义天,张红武.汛末蓄水时间对三峡水库河道冲淤的影响[J].水动力学研究与进展(A辑),2004,19(6):817-822. |
| |
| 作者姓名： | 彭杨 李义天 张红武 |
| |
| 作者单位： | 1. 清华大学水沙科学教育部重点实验室,北京,100084
2. 武汉大学水沙科学教育部重点实验室,武汉,430072 |
| |
| 基金项目： | 全国优秀博士论文作者专项基金资助项目(199935) |
| |
| 摘 要： | 本文采用一维恒定流非均匀沙数学模型对三峡水库汛末不同运用方式下库区冲淤变化进行了预估，重点分析了汛末不同蓄水时间对库区河道冲淤的影响。结果表明：三峡水库汛末推迟或提前蓄水，只是改变了水库的淤积速率和到达淤积平衡的时间，而不能改变水库淤积平衡时的淤积总量。
|
| 关 键 词： | 三峡水库 汛末蓄水时间 冲淤过程 淤积平衡 |
| 文章编号： | 1000-4874(2004)06-0817-06 |
Influence of impounding time in the flood recession period on the reservoir region's silting and erosion variation for the Three Gorges Project (TGP) |
| |
| PENG Yang,LI Yi-tian,ZHANG Hong-wu of Ministry of Education,Tsinghua University,Beijing ,China, Wuhan University,Wuhan ,China.Influence of impounding time in the flood recession period on the reservoir region''''s silting and erosion variation for the Three Gorges Project (TGP)[J].Journal of Hydrodynamics,2004,19(6):817-822. |
| |
| Authors: | PENG Yang LI Yi-tian ZHANG Hong-wu of Ministry of Education Tsinghua University Beijing China Wuhan University Wuhan China |
| |
| Affiliation: | PENG Yang~1,LI Yi-tian~2,ZHANG Hong-wu~1 of Ministry of Education,Tsinghua University,Beijing 100084,China, Wuhan University,Wuhan 430072,China) |
| |
| Abstract: | Based on the previous studies, a one-dimensional, steady flow and non-uniform sediment mathematical model was adopted to forecast the silting and erosion variation in the Three Gorges Reservoir region. Different impounding time in the flood recession period and its effect on sedimentation qualities and distributions in reservoir region were analyzed. Conclusions that the change of impounding time only alters the reservoir's sediment deposition rate and silt-stable time, but cannot change the sedimentation qualities in silt-stable state were achieved finally. The results can be used for the TGP operation. |
| |
| Keywords: | the Three Gorges Reservoir impounding time in the flood recession silting and erosion silt-stable |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
