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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
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
Volume40Issue:6(SI)Pages:1214-1220
Subtype期刊论文
Abstract

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.

KeywordDansgaard–Oeschger cycles Aeolian dust Westerly jet East Asian summer monsoon Japan Sea ESR
DOI10.1016/j.jseaes.2010.08.010
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10344
Collection古环境研究室
Corresponding AuthorNagashima, K (Nagashima, Kana)1; Sun, Y (Sun, Youbin)4
Affiliation1.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
Recommended Citation
GB/T 7714
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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