极端降水事件 Extreme precipitation event
The extreme rainfall in flood season is of the significant spatialdistribution, and the consistently abnormal characteristic is the main spatialmode.
汛期极端降水量空间分布差异明显,一致性异常分布特征是最主要空间模态。
参考来源 - 重庆近46a极端气温和极端降水异常特征分析On the interdecadal time scale, when the Australian and the Mascarene high in Southern Hemisphere are stronger, extremes precipitation would be less than normal in the first raining season and more than normal in the second raining season.
澳大利亚高压和马斯克林高压的强度变化是华南汛期降水异常的重要气候背景,即当两高压处在同时增强时期时,华南前汛期极端降水处于偏少阶段,后汛期则处于偏多阶段。
参考来源 - 华南地区强降水概率分布特征及环流背景·2,447,543篇论文数据，部分数据来源于NoteExpress
造成梅雨期降水量的异常主要是极端降水的异常。
So the anomalies of the total precipitation in MeiYu period is mainly caused by the extreme precipitation anomalies.
年极端降水量占全年降水量的比例略有减少，减少趋势不显著；
There was a slight decrease in the proportion of annual extreme precipitation to annual precipitation, but the decreasing tendency was not significant.
侯赛因及其同事长期的研究表明，大坝尤其使干旱或半干旱地区的极端降水模式发生改变。
The long-term studies by Hossain and his colleagues suggest that dams have particularly altered extreme precipitation patterns in arid or semiarid areas.
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