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	Annual precipitation reconstruction since AD 775 based on tree rings from the Qilian Mountains, northwestern China
	Zhang Y.; Zhang Y.
	2011
关键词	tree-ring reconstruction precipitation Qilian Mountains drought moisture excess qinghai-tibetan plateau solar-activity drought reconstruction climate variability north-atlantic last millennium past millennium pacific region qaidam basin time-series
英文摘要	A millennium-long tree-ring-width chronology from the middle Qilian Mountains in northwestern China has been used to reconstruct annual precipitation variation (from the prior August to current July) since AD 775. The reconstruction explains 37.8% of variance of the observed data. Based on the mean and standard deviation of the reconstructed series, several prolonged severe dry and wet periods were indentified: drought spells in AD 1144-1154 (11 years) and 1925-1932 (8 years) and wet spells in AD 985-999 (15 years), 1089-1097 (9 years) and 1979-1991 (12 years). Both multi-taper spectral analysis (MTM) and wavelet analysis suggest that periods of the reconstructed precipitation are consistent with those associated with the Asian Summer Monsoon and perhaps solar activity. Copyright. (C) 2010 Royal Meteorological Society
出处	International Journal of Climatology
卷	31
期	3
页	371-381
收录类别	SCI
语种	英语
ISSN号	0899-8418
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/22338]
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	Zhang Y.,Zhang Y.. Annual precipitation reconstruction since AD 775 based on tree rings from the Qilian Mountains, northwestern China. 2011.

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