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Observed Trends of Precipitation Extremes in the Yangtze River Basin during 1960 to 2004
Author(s): 
Pages: 9-14
Year: Issue:  1
Journal: ADVANCES IN CLIMATE CHANGE RESEARCH

Keyword:  极端强降水时空分布气候变化长江流域;
Abstract: 1986年以来,长江流域的极端强降水出现了显著增加的趋势,突出表现在中下游地区.长江中下游地区极端降水量的增加,既是极端降水强度增强,也是极端降水事件显著增加的结果.长江流域极端降水变化主要发生在东南部和西南部.趋势分析表明,自20世纪80年代中期以来,长江流域上游极端降水事件峰值提前到6月份出现,与长江中下游极端降水峰值出现的时间几乎同步,这必将加大遭遇性洪水发生的机率.20世纪90年代以来长江洪水的频繁发生,与长江流域极端降水时空分布的变化密切相关.
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