2010年，降雨殊为异常，长江流域的降水量要比平常年份多出15%。
The rains were abnormally heavy -- the Yangtze basin had 15 percent more rainfall in 2010 than in an average year.
降水量的增加对内陆水系的合并和外流的黄河和长江流域等产生重大影响。
The increased precipitation would have important effects on the convergence of inland water systems and on the catchment change of the Changjiang River and the Yellow River.
总体而言，土地利用改变加剧了长江流域夏季水循环过程， 使得夏季长江中下游地区降水增多， 径流增大。
Overall the land use changes in the Yangtze River basin may intensify the hydrological cycle of the basin, which should increase summer precipitation and streamflow.
长江流域和华南地区则相反，季风降水降水加强。
Therefore the monsoonal rainfall was suppressed in North China and enhanced in South China.
长江流域和华南地区则相反，季风降水降水加强。
Therefore the monsoonal rainfall was suppressed in North China and enhanced in South China.
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