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DOI10.1016/j.gloplacha.2011.10.009
Tree-ring based reconstruction of drought variability (1615-2009) in the Kongtong Mountain area, northern China
Fang, Keyan; Gou, Xiaohua; Chen, Fahu; Liu, Changzhi; Davi, Nicole; Li, Jinbao; Zhao, Zhiqian; Li, Yingjun
发表日期2012
ISSN0921-8181
卷号80-81页码:190-197
英文摘要

The Kongtong Mountain area is a marginal area of the Asian summer monsoon and is sensitive to monsoon dynamics. The sensitivity highlights the need to establishing long-term climate records there and evaluating links with the Asian monsoon. Using "signal-free" methods, we developed a tree-ring chronology based 52 ring-width series from 23 Pinus tabulaeformis and Pinus armandidi trees in the Kongtong Mountain, northern China. Tree growth is highly correlated (0.844) with the Palmer Drought Severity Index (PDSI) from May to July, demonstrating the strength of PDSI in modeling drought conditions in this region. We therefore developed a robust May-July PDSI reconstruction spanning 1615-2009, which explained 71.2% of the instrumental variance for the period 1951-2005. Extremely dry epochs are found in periods of 1723-1727 and 1928-1932, and significant wet conditions are seen from 1696 to 1700, 1753 to 1757 and 1963 to 1969. These persistent dry and wet epochs were also found in northeastern Mongolia, suggesting similar drought regimes between these two regions. The dryness that occurred in the 1920s-1930s was the most severe and was concurrent with a warming period. This warming/drying relationship of the 1920s-1930s may be an analog to the current drying trend in northern China. (C) 2011 Elsevier B.V. All rights reserved.


英文关键词tree ring;Northern China;drought;Asian monsoon;signal-free standardization
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000299606600015
来源期刊GLOBAL AND PLANETARY CHANGE
来源机构兰州大学 ; 中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/1981
推荐引用方式
GB/T 7714
Fang, Keyan,Gou, Xiaohua,Chen, Fahu,et al. Tree-ring based reconstruction of drought variability (1615-2009) in the Kongtong Mountain area, northern China[J]. 兰州大学, 中国科学院青藏高原研究所,2012,80-81:190-197.
APA Fang, Keyan.,Gou, Xiaohua.,Chen, Fahu.,Liu, Changzhi.,Davi, Nicole.,...&Li, Yingjun.(2012).Tree-ring based reconstruction of drought variability (1615-2009) in the Kongtong Mountain area, northern China.GLOBAL AND PLANETARY CHANGE,80-81,190-197.
MLA Fang, Keyan,et al."Tree-ring based reconstruction of drought variability (1615-2009) in the Kongtong Mountain area, northern China".GLOBAL AND PLANETARY CHANGE 80-81(2012):190-197.
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