长江下游水情变化趋势分析

Tendency analyses of water regime changes in the lower reaches of Changjinag River

对长江下游水情变化趋势作了分析,指出长江下游地区降雨量时空分布不均匀,6～8月降雨相对集中,极易形成洪涝灾害;长江下游水位从20世纪80年代后期开始,有逐年攀升的趋势。

Based on the tendency analyses of water regime changes in the lower reaches of Changjiang River since the foundation of new China, it is pointed out that the distribution of rainfall in space and time is becoming more uneven and relatively concentrated in the period from June to August, so floods are easily caused. Since the late 1980s, the water level in the lower reaches of Changjiang River is being raised year by year.