| 长江上游地区来水来沙变化趋势及其影响研究 |
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| 引用本文： | 渠庚,沈俊,巩艳国. 长江上游地区来水来沙变化趋势及其影响研究[J]. 水利科技与经济, 2005, 11(12): 752-756 |
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| 作者姓名： | 渠庚 沈俊 巩艳国 |
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| 作者单位： | 长江科学院,武汉,430010;江苏省交通工程有限公司,江苏,镇江,212000 |
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| 摘 要： | 通过对长江上游多个重要水文站点水沙的分析,研究近期各个站点的径流及输沙的趋势,并对产生这种趋势的原因进行分析预测。分析认为上游水库建设对于水沙输移产生了巨大影响,而且随着长江上游大量水库的建设,宜昌等上游干支流的输沙减少的趋势还将持续下去,同时会造成上游河道的淤积以及中下游河道的持续冲刷。
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| 关 键 词： | 径流量 输沙量 拦沙率 长江水土保持工程 来沙系数 |
| 文章编号： | 1006-7175(2005)12-0752-05 |
| 收稿时间： | 2005-07-10 |
| 修稿时间： | 2005-07-10 |
Analyze on Flow and Sediment Trend of Upper Reaches of Yangzi River and Its Affects |
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| QU Geng,SHEN Jun,GONG Yan-guo. Analyze on Flow and Sediment Trend of Upper Reaches of Yangzi River and Its Affects[J]. Water Conservancy Science and Technology and Economy, 2005, 11(12): 752-756 |
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| Authors: | QU Geng SHEN Jun GONG Yan-guo |
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| Affiliation: | 1. Changiiang Scientific Research Institute, Wuhan 430010, China; 2 .Jiangsu Provincial Transportation Engineering Corporation Co. LTD,Zhenjiang 212000, China |
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| Abstract: | Based on the analysis to flow and sediment of several important hydrology stations,this paper studied on recently flow and sediment trends of each station and researched on the causes of this trend.The researches indicated that the build of reservoirs on the upstream Yangzi River was the key cause of the recently variety of flow and sediment,and companied with a great deal of reservoirs be built the trend will continue.And at the same time,it will result to the fill up in the upstream of Yangzi River and the long-drawn scouring in the middle and lower reaches of Yangzi River. |
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| Keywords: | run-off sediment discharge trap efficiency Yangzi soil and water conservation project inflow sediment rate |
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