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	Meiyu in the middle and lower reaches of the Yangtze River since 1736
	Ge Q. S. ; Guo X. F. ; Zheng J. Y. ; Hao Z. X.
	2008
关键词	"Yu Xue Fen Cun" records reconstruction past 300 years variation of Meiyu middle and lower reaches of the Yangtze River reconstruction china
英文摘要	"Yu Xue Fen Cun" records during the Qing Dynasty are used to identify the starting and ending dates of Meiyu at the period of 1736-1911. These results, along with the instrumental meteorological records, are used to reconstruct the series of length and precipitation of Meiyu during 1736-2000 over the middle and lower reaches of the Yangtze River. The characteristics of Meiyu are analyzed since 1736. Moreover, the strength of East Asian Summer Monsoon and locations of rainband are discussed, based on the relationship between the length of Meiyu and the Index of East Asian Summer Monsoon. It is found that the starting and ending dates and the length of Meiyu have significant interannual and interdecadal variations. Apart from 7-8 years, 20-30 years and 40 years cycles for the lengths of Meiyu, the centennial oscillation is also presented. The length of Meiyu, monsoon rainband movement over eastern China, and the strength of East Asian Summer Monsoon (EASM) have a very good correlation, which can be expressed in the following: during the periods of 1736-1770, 1821-1870 and 1921-1970, the EASM was stronger, and the monsoon rainband was located in North China and South China easily, corresponding to the decreased length of Meiyu. Whereas during the periods of 1771-1820, 1871-1920 and 1971-2000, the EASM was weaker and monsoon rainband usually stopped at the middle and lower reaches of the Yangtze River, corresponding to the increased length of Meiyu.
出处	Chinese Science Bulletin
卷	53
期	1
页	107-114
收录类别	SCI
语种	英语
ISSN号	1001-6538
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/23966]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Ge Q. S.,Guo X. F.,Zheng J. Y.,et al. Meiyu in the middle and lower reaches of the Yangtze River since 1736. 2008.

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