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Tree ring based precipitation reconstruction in the south slope of the middle Qilian Mountains, northeastern Tibetan Plateau, over the last millennium
Sun, JY (Sun, Junyan)[1]; Liu, Y (Liu, Yu)[1,2]
2012-04-24
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
卷号117页码:D08108
文章类型期刊论文
摘要

A tree ring (Sabina przewalskii Kom.) based millennial precipitation reconstruction on the south slope of the middle Qilian Mountains in the northeastern margin of Tibetan Plateau, China, was completed, which explains 48.5% of the variance in the instrumental precipitation from 1958 to 2004. The long-term precipitation variation patterns were confirmed on the basis of the duration, magnitude, and intensify of the multidecadal dry (wet) events. There are several stronger multidecadal dry periods, 1092-1172, 1441-1517, and 1564-1730, whereas there is only one outstanding severe wet event of 1352-1440. The variations of the precipitation reconstruction are accordant with the glacier accumulation and dust contents of Dunde ice core and also with the variations of the precipitation, runoff, Palmer Drought Severity Index, and tree ring width series in the northeastern Tibetan Plateau. The spatial extent of the great drought in the latter half of the 15th century also concentrated on the northeastern Tibetan Plateau. The moisture variations in the northeastern Tibetan Plateau are synchronous over a large spatial and temporal range in multidecadal scale for the last millennium, especially during dry periods. Wavelet analyses and comparisons with the minimal solar activity show that the precipitation variations for the last millennium may have some association with the solar activity on multidecadal to centennial scales.

DOI10.1029/2011JD017290
收录类别SCI
语种英语
引用统计
被引频次:14[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/361006/10110
专题现代环境研究室
通讯作者Sun, JY (Sun, Junyan)[1]
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute ofEarth Environment, Chinese Academy of Sciences, Xi’an, China;
2.Department of Environmental Science and Technology, School ofHuman Settlements and Civil Engineering, Xi’an Jiaotong University,Xi’an, China
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Sun, JY ,Liu, Y . Tree ring based precipitation reconstruction in the south slope of the middle Qilian Mountains, northeastern Tibetan Plateau, over the last millennium[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2012,117:D08108.
APA Sun, JY ,&Liu, Y .(2012).Tree ring based precipitation reconstruction in the south slope of the middle Qilian Mountains, northeastern Tibetan Plateau, over the last millennium.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,117,D08108.
MLA Sun, JY ,et al."Tree ring based precipitation reconstruction in the south slope of the middle Qilian Mountains, northeastern Tibetan Plateau, over the last millennium".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 117(2012):D08108.
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