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Characteristics and Causes of the Occurrence of Flooding Disaster and Persistent Heavy Raifnall in the Yangtze River Valley of China
Pages: 1-19
Year: Issue:  1
Journal: Journal of Chengdu University Of Information Technology

Keyword:  长江流域洪涝灾害持续性暴雨成因;
Abstract: 主要综述了最近关于中国长江流域洪涝灾害和持续性暴雨发生特征和成因的研究.表明:长江流域洪涝灾害和持续性暴雨的发生频率非常高,并给经济造成了严重损失,长江流域洪涝灾害发生不仅具有准两年周期的年际变化,而且具有明显的年代际变化,从1977年之后,长江流域洪涝灾害和持续性暴雨增多;并且,表明了无论是长江中、下游地区或是长江上游的川东地区持续性暴雨都是在“鞍”型大尺度环流系统的配置下发生,这是由于这种大尺...
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