Northward Shift of the Northern Hemisphere Westerlies in the Early to Late Miocene and Its Links to Tibetan Uplift

doi:10.1029/2022GL099311

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋地质与环境重点实验室

	Northward Shift of the Northern Hemisphere Westerlies in the Early to Late Miocene and Its Links to Tibetan Uplift
	Tang, Yi 4,5,6; Wan, Shiming 3,5,6; Clift, Peter D.2; Zhao, Debo 6; Xu, Zhaokai 6; Zhang, Jin 6; Song, Zehua 6; Jin, Hualong 3,6; Li, Mengjun 6; Shi, Xuefa 1,4
刊名	GEOPHYSICAL RESEARCH LETTERS
	2022-09-28
卷号	49 期号:18 页码:10
ISSN号	0094-8276
DOI	10.1029/2022GL099311
通讯作者	Wan, Shiming(wanshiming@ms.qdio.ac.cn)
英文摘要	Despite the importance of the westerlies to the global climate system, we still know little about their long-term evolution and possible orographic controls during the late Cenozoic because of the lack of sedimentary records with precise chronological control. Eolian deposition in the North Pacific preserved past information about the westerlies, the major wind system delivering Asian dust to the Pacific. A continuous, high-resolution eolian flux record since 23 Ma was reconstructed from sediments at Deep Sea Drilling Project Site 296 in the North Pacific. Combined with dust flux at Ocean Drilling Program Site 1208, variations in their difference indicated a northwards shift of the westerlies during 23-9 Ma and a relatively stable state since then. We suggest that Tibetan uplift since the early Miocene began to drive the poleward shift of the westerlies until 9 Ma, after which the westerlies remained relatively stable over Asia on million-year timescales. Plain Language Summary The Northern Hemisphere Westerly wind is a significant component of planetary-scale atmospheric circulation and has a large impact on regional and global climate change. Although numerous modern observations and orbital time-scale studies of the Westerly wind have been conducted, we still know little about its evolution on million-year time-scales, which may modulate the overall amplitude of short-term variations. Eolian deposition in the North Pacific has preserved precious information about the westerlies in the past. A continuous and high resolution eolian flux record dating from 23 Ma was reconstructed from sediments at Deep Sea Drilling Project Site 296 in the Northwest Pacific. Combined with dust records at Ocean Drilling Program Site 1208 to the east, we constrain how the path and strength of the Northern Hemisphere Westerlies have changed since the early Miocene. The two eolian records indicate a northwards shift of the westerlies between 23 and 9 Ma and a relatively stable state since then. We suggest that stepwise uplift of the Tibetan Plateau since at least the early Miocene began to drive the northwards shift of the Northern Hemisphere Westerlies until about 9 Ma, after which the westerlies remained relatively stable over Asia-North Pacific on million-year timescales.
资助项目	National Natural Science Foundation of China (NSFC)[42125602] ; Strategic Priority Research Program of CAS[XDB40010100] ; NSFC[42076052] ; Innovation Project of QNLM[2022QNLM050203] ; Innovation Project of QNLM[MGQNLM-KF202001] ; Taishan and Aoshan Talents Program[2017ASTCP-ES01]
WOS研究方向	Geology
语种	英语
出版者	AMER GEOPHYSICAL UNION
WOS记录号	WOS:000859720400001
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/180669]
专题	海洋研究所_海洋地质与环境重点实验室
通讯作者	Wan, Shiming
作者单位	1.Minist Nat Resources, Key Lab Marine Sedimentol & Environm Geol, Inst Oceanog 1, Qingdao, Peoples R China 2.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA 3.CAS Ctr Excellence Quaternary Sci & Global Change, Xian, Peoples R China 4.Univ Chinese Acad Sci, Beijing, Peoples R China 5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China 6.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Tang, Yi,Wan, Shiming,Clift, Peter D.,et al. Northward Shift of the Northern Hemisphere Westerlies in the Early to Late Miocene and Its Links to Tibetan Uplift[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(18):10.
APA	Tang, Yi.,Wan, Shiming.,Clift, Peter D..,Zhao, Debo.,Xu, Zhaokai.,...&Li, Anchun.(2022).Northward Shift of the Northern Hemisphere Westerlies in the Early to Late Miocene and Its Links to Tibetan Uplift.GEOPHYSICAL RESEARCH LETTERS,49(18),10.
MLA	Tang, Yi,et al."Northward Shift of the Northern Hemisphere Westerlies in the Early to Late Miocene and Its Links to Tibetan Uplift".GEOPHYSICAL RESEARCH LETTERS 49.18(2022):10.