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Drought variability in eastern Mongolian Plateau and its linkages to the large-scale climate forcing
Bao, Guang1,2; Liu, Yu2,3; Liu, Na1,3; Linderholm, Hans W.4
2015-02-01
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
卷号44期号:3-4页码:717-733
文章类型Article
摘要

A robust regional tree-ring chronology with a span of 1819-2009 was developed for the Hulun Buir steppe, China, a region in the eastern edge of the Mongolian Plateau. This chronology exhibited significantly positive correlation with precipitation in June, and negative correlations with temperature from April to September except for May. Highest correlation was found between tree rings and the average April-August standardized precipitation evapotranspiration index (SPEI), suggesting that pines growth strongly respond to the seasonal drought conditions. Accordingly, the average April-August SPEI reconstruction was performed for the period 1854-2009, explaining 45.5 % variance of the calibration period 1953-2009. New reconstruction shows some synchrony with regional-scale events found in other reconstructions to the west Mongolian Plateau. The recent droughts in late 1990 to present are not unusual in the context of the past several centuries. Spectrum analyses suggested that the average April-August SPEI variations, especially severe droughts in the late 1870s-early 1880s, 1920s and since the late 1990s could be associated with large-scale climate forcing, such as the El Nio-Southern Oscillation, the Pacific Decadal Oscillation and the summer North Atlantic Oscillation. Significant teleconnections indicated drought variability during the past several centuries in eastern Mongolian Plateau existed close connections with large-scale synoptic features.

关键词Tree Rings Regional Drought Eastern Mongolian Plateau Teleconnection Pinus Sylvestris Var. Mongolica
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s00382-014-2273-7
关键词[WOS]Atlantic Multidecadal Oscillation ; Asian Summer Monsoon ; North China ; Tree-rings ; Inner-mongolia ; Surface-temperature ; Ocean Variability ; Severity Index ; United-states ; El-nino
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000349406100007
出版者SPRINGER
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9410
专题现代环境研究室
通讯作者Bao, Guang
作者单位1.Baoji Univ Arts & Sci, Key Lab Disaster Monitoring & Mech Simulating Sha, Baoji 721013, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
3.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Dept Environm Sci & Technol, Xian 710049, Peoples R China
4.Univ Gothenburg, Dept Earth Sci, Reg Climate Grp, S-40530 Gothenburg, Sweden
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GB/T 7714
Bao, Guang,Liu, Yu,Liu, Na,et al. Drought variability in eastern Mongolian Plateau and its linkages to the large-scale climate forcing[J]. CLIMATE DYNAMICS,2015,44(3-4):717-733.
APA Bao, Guang,Liu, Yu,Liu, Na,&Linderholm, Hans W..(2015).Drought variability in eastern Mongolian Plateau and its linkages to the large-scale climate forcing.CLIMATE DYNAMICS,44(3-4),717-733.
MLA Bao, Guang,et al."Drought variability in eastern Mongolian Plateau and its linkages to the large-scale climate forcing".CLIMATE DYNAMICS 44.3-4(2015):717-733.
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