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The Holocene Indian monsoon variability over the southern Tibetan Plateau and its teleconnections
Cai, YJ (Cai, Yanjun)[1,2]; Zhang, HW (Zhang, Haiwei)[1,3]; Cheng, H (Cheng, Hai)[2,4]; An, ZS (An, Zhisheng)[1]; Edwards, RL (Edwards, R. Lawrence)[4]; Wang, XF (Wang, Xianfeng)[5]; Tan, LC (Tan, Liangcheng)[1]; Liang, FY (Liang, Fuyuan)[6]; Wang, J (Wang, Jin)[1,3]; Kelly, M (Kelly, Megan)[4]
2012-06-15
发表期刊EARTH AND PLANETARY SCIENCE LETTERS
卷号335页码:135-144
文章类型期刊论文
摘要

A high-resolution stalagmite oxygen isotope record from Tianmen Cave, located in the south central Tibetan Plateau, characterizes detailed climatic variations between 8.7 and 4.3 ka BP on centennial and decadal time scales, with a temporal resolution of 3 to 7 years. The Tianmen record is in good agreement with speleothem records from Asian monsoon regions (i.e., Dongge Cave, Dykoski et al., 2005; Wang et al., 2005; Qunf Cave, Fleitmann et al., 2003), upwelling records from the Arabian Sea (Gupta et al., 2003, 2005) and peat bog records from southeast Tibetan Plateau (Hong et al., 2003), indicating that the Indian summer monsoon (ISM) gradually weakened as Northern Hemisphere summer insolation declined during the early-mid Holocene and that ISM intensity, rather than temperature, dominates the precipitation delta O-18 on centennial to decadal time scales in the southern TP. On centennial to decadal time scales, the detrended Tianmen record correlates well with the Greenland ice core record, further confirming the mechanistic connection between the ISM and high northern latitude temperature changes. Meanwhile, the Tianmen record bears significant solar activity cycles, suggesting that the solar output changes may affect the variability of the ISM and likely the position of the Intertropical Convergence Zone (ITCZ) as well. Moreover, due to joint effects of changes in monsoon precipitation, moisture source and temperature, the Tianmen delta O-18 record shows much larger amplitude changes than speleothem delta O-18 records from low-elevation Asian Monsoon regions, which is similar to the previously reported Marine Isotope Stage (MIS) 5 record (Cai et al., 20W), suggesting heightened sensitivity of precipitation isotope composition to climate changes over the high-elevation regions and further demonstrating that the stable isotope lapse rate may change under different climatic conditions.

关键词Tibetan Plateau Speleothem Indian Summer Monsoon Holocene Oxygen Isotope Lapse Rate
DOI10.1016/j.epsl.2012.04.035
收录类别SCI ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10079
专题现代环境研究室
通讯作者Cai, YJ (Cai, Yanjun)[1,2]
作者单位1.State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China;
2.Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an 710049, China;
3.Graduate University of the Chinese Academy of Sciences, Beijing 100049, China;
4.Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, USA;
5.Earth Observatory of Singapore, Nanyang Technological University, Singapore;
6.Department of Geography, Western Illinois University, Macomb, IL 61455, USA
推荐引用方式
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Cai, YJ ,Zhang, HW ,Cheng, H ,et al. The Holocene Indian monsoon variability over the southern Tibetan Plateau and its teleconnections[J]. EARTH AND PLANETARY SCIENCE LETTERS,2012,335:135-144.
APA Cai, YJ .,Zhang, HW .,Cheng, H .,An, ZS .,Edwards, RL .,...&Kelly, M .(2012).The Holocene Indian monsoon variability over the southern Tibetan Plateau and its teleconnections.EARTH AND PLANETARY SCIENCE LETTERS,335,135-144.
MLA Cai, YJ ,et al."The Holocene Indian monsoon variability over the southern Tibetan Plateau and its teleconnections".EARTH AND PLANETARY SCIENCE LETTERS 335(2012):135-144.
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