Links between iron supply from Asian dust and marine productivity in the Japan Sea since four million years ago

doi:10.1017/S0016756819000554

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

	Links between iron supply from Asian dust and marine productivity in the Japan Sea since four million years ago
	Zhai, Lina 5; Wan, Shiming 1,5,6; Tada, Ryuji 2; Zhao, Debo 5; Shi, Xuefa 4,6; Yin, Xuebo 5; Tan, Yang 3; Li, Anchun 5
刊名	GEOLOGICAL MAGAZINE
	2020-05-01
卷号	157 期号:5 页码:818-828
关键词	aeolian dust palaeoproductivity major and trace element carbon cycle Pliocene-Pleistocene the Japan Sea
ISSN号	0016-7568
DOI	10.1017/S0016756819000554
通讯作者	Wan, Shiming(wanshiming@ms.qdio.ac.cn)
英文摘要	Aeolian dust input exerts significant influence on oceanic biogeochemical cycles and further potentially controls atmospheric CO2 concentrations. However, the possible link between long-term aeolian dust supply and primary productivity in the western North Pacific remains poorly understood. Here, we present a comprehensive study of major and trace elements and total organic carbon (TOC) concentrations of sediments from Integrated Ocean Drilling Program (IODP) Site U1430 in the southern Japan Sea, in order to reconstruct oceanic palaeoproductivity evolution and test its possible link to Asian dust input since 4 Ma. Palaeoproductivity proxies indicate remarkable increases in productivity at similar to 3-2 Ma followed by high-frequency oscillations in productivity since 1.2 Ma. We suggest that higher dust-derived iron supply from Central Asia at 3-2 Ma, which was likely driven by the growth of the Northern Hemisphere ice sheets, could account for enhanced primary productivity and export production in the Japan Sea. Such increased oceanic palaeoproductivity could enhance organic carbon burial, which might contribute to the decrease in atmospheric CO2 concentrations, and provide a positive feedback to the global cooling. However, the Tsushima Warm Current (TSWC) intrusion via the southern Tsushima Strait, which was controlled by glacioeustatic sea level changes, has been the principal cause of the rapid changes in primary productivity and benthic redox condition since 1.2 Ma, regardless of continuously increased Asian dust input.
资助项目	National Natural Science Foundation of China[41622603] ; National Natural Science Foundation of China[41806058 41576034] ; National Natural Science Foundation of China[U1606401] ; National Program on Global Change and Air-Sea Interaction[GASI-GEOGE-03] ; Innovation Project[2016ASKJ13] ; Innovation Project[MGQNLM-TD201805] ; Taishan and Aoshan Talents program[2017ASTCP-ES01] ; China Postdoctoral Science Foundation[2018M632729]
WOS研究方向	Geology
语种	英语
出版者	CAMBRIDGE UNIV PRESS
WOS记录号	WOS:000534526500011
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/167560]
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.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China 2.Univ Tokyo, Dept Earth & Planetary Sci, Tokyo 1130033, Japan 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China 4.Minist Nat Resources, Key Lab Marine Sedimentoi & Environm Geol, Inst Oceanog 1, Qingdao 266061, Peoples R China 5.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 6.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
推荐引用方式 GB/T 7714	Zhai, Lina,Wan, Shiming,Tada, Ryuji,et al. Links between iron supply from Asian dust and marine productivity in the Japan Sea since four million years ago[J]. GEOLOGICAL MAGAZINE,2020,157(5):818-828.
APA	Zhai, Lina.,Wan, Shiming.,Tada, Ryuji.,Zhao, Debo.,Shi, Xuefa.,...&Li, Anchun.(2020).Links between iron supply from Asian dust and marine productivity in the Japan Sea since four million years ago.GEOLOGICAL MAGAZINE,157(5),818-828.
MLA	Zhai, Lina,et al."Links between iron supply from Asian dust and marine productivity in the Japan Sea since four million years ago".GEOLOGICAL MAGAZINE 157.5(2020):818-828.