长江上游水库兴建对水沙情势的影响分析
收稿日期: 2013-02-28
修回日期: 2013-04-28
网络出版日期: 2013-04-28
Influence of Cascaded Hydropower Stations in the Upstream of Yangtze River on the Water and Sediment Regime
Received date: 2013-02-28
Revised date: 2013-04-28
Online published: 2013-04-28
翁文林 , 刘尧成 , 周新春 . 长江上游水库兴建对水沙情势的影响分析[J]. 长江科学院院报, 2013 , 30(5) : 1 -4 . DOI: 10.3969/j.issn.1001-5485.2013.05.01
With the construction of huge cascaded reservoirs,the water and sediment regime in the upstream basin of Yangtze River has been changed. The authors statistically analyzed the variations of runoff and sediment transport at major hydrological control stations in the mainstream and tributaries of Yangtze River based on over 5-decade’s hydrological data. It’s revealed that the annual average runoff measured at almost all the major stations has been decreasing,down 4%-24%,except for Pingshan station in Jinsha river,whose runoff variation was not obvious. On the other hand,the annual average sediment transport at all major stations has been decreasing more evidently by 30%-88%. Moreover,the new situation and problems posed by the construction of huge cascaded reservoirs on the upper Yangtze River and the countermeasures are discussed.
/
| 〈 |
|
〉 |