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Millennial-scale oscillations of the westerly jet path during the last glacial period
Nagashima, K (Nagashima, Kana)1; Tada, R (Tada, Ryuji)2; Tani, A (Tani, Atsushi)3; Sun, Y (Sun, Youbin)4; Isozaki, Y (Isozaki, Yuko)2; Toyoda, S (Toyoda, Shin)5; Hasegawa, H (Hasegawa, Hitoshi)6
2011-04-02
发表期刊JOURNAL OF ASIAN EARTH SCIENCES
卷号40期号:6(SI)页码:1214-1220
文章类型期刊论文
摘要

It has been established that East Asian summer monsoon intensity varies with Dansgaard-Oeschger cycles, suggesting a connection between the climates of East Asia and the North Atlantic on a millennial timescale. However, the dynamics of such a connection are still unsolved. Here we demonstrate that temporal changes in the provenance of aeolian dust in Japan Sea sediments, which we interpret to reflect changes in the westerly jet path over East Asia, exhibit variations in harmony with Dansgaard-Oeschger cycles. The dominance of dust with a Mongolian Gobi provenance during stadials suggests a westerly jet axis located to the south of the Himalaya-Tibetan Plateau throughout most of the year, whereas the co-dominance of dust from both the Taklimakan Desert and the Mongolian Gobi during interstadials suggests that the westerly jet axis jumped to the north of the Tibetan Plateau at latest in summer. As the shift of the westerly jet axis to the north of the Tibetan Plateau is closely related to the onset of the East Asian summer monsoon, changes of the westerly jet path apparently critically affect the teleconnection between the climates of Asia and North Atlantic on a millennial timescale.

关键词Dansgaard–Oeschger cycles Aeolian dust Westerly jet East Asian summer monsoon Japan Sea ESR
DOI10.1016/j.jseaes.2010.08.010
收录类别SCI
语种英语
引用统计
被引频次:58[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/361006/10344
专题古环境研究室
通讯作者Nagashima, K (Nagashima, Kana)1; Sun, Y (Sun, Youbin)4
作者单位1.Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology, 2-15 Natsushima-cho, Yokosuka 237-0061, Japan;
2.Department of Earth and Planetary Sciences, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan;
3.Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan;
4.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710054, China;
5.Department of Applied Physics, Faculty of Science, Okayama University of Science, 1-1 Ridai, Okayama 700-0005, Japan;
6.Department of Natural History Science, Graduate School of Science, Hokkaido University, North 10, West 8, Kita-Ku, Sapporo 060-0810, Japan
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Nagashima, K ,Tada, R ,Tani, A ,et al. Millennial-scale oscillations of the westerly jet path during the last glacial period[J]. JOURNAL OF ASIAN EARTH SCIENCES,2011,40(6(SI)):1214-1220.
APA Nagashima, K .,Tada, R .,Tani, A .,Sun, Y .,Isozaki, Y .,...&Hasegawa, H .(2011).Millennial-scale oscillations of the westerly jet path during the last glacial period.JOURNAL OF ASIAN EARTH SCIENCES,40(6(SI)),1214-1220.
MLA Nagashima, K ,et al."Millennial-scale oscillations of the westerly jet path during the last glacial period".JOURNAL OF ASIAN EARTH SCIENCES 40.6(SI)(2011):1214-1220.
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