干旱区生态环境知识资源中心(Arid): Contribution of Asian dust into the sediment budget of the Parece Vela Basin over the last 1 Ma: Implications for the climate change in East Asia

Arid

DOI	10.1016/j.palaeo.2024.112171
	Contribution of Asian dust into the sediment budget of the Parece Vela Basin over the last 1 Ma: Implications for the climate change in East Asia
	Sun, Yongqiang; Yan, Yi; Clift, Peter D.; Dilek, Yildirim; Zhao, Qi
通讯作者	Yan, Y
来源期刊	PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN	0031-0182
EISSN	1872-616X
出版年	2024
卷号	643
英文摘要	By quantifying the deposition of Asia-derived dust in the Western Pacific Ocean it is possible to constrain the consequences of climate change in East Asia. However, the rates of eolian dust deposition and its transport mechanism in the low-latitude Pacific remain uncertain. Core CP19 recovered sediment dating from similar to 1 Ma to the present in the Parece Vela Basin (PVB). In this study we present bulk-rock major and trace element geochemistry, and Sr and Nd isotopic compositions from this sediment. The results reveal that these clastic sediments are a mixture of volcanic materials derived from the adjacent island arcs and eolian dust material originating from the arid regions of East Asia. Within the PVB, the proportion of Asian dust in the detrital sediment ranges from 30% to 50%, with an average of 44%. The majority of the dust originated from Eastern Asian deserts. Sr and Nd isotopes indicate that there is a significant increase in the overall proportion of eolian dust in the PVB starting at similar to 0.64 Ma, influenced by an enhanced East Asian winter monsoon. In contrast, strengthening of the East Asian summer monsoon led to a decrease in the proportion of the eolian dust from the Ordos deserts. The notable alteration in eolian dust flux to the PVB corresponds to an abrupt intensification of aridity and monsoon climate in the East Asian continent at similar to 0.64 Ma, caused by the Middle Pleistocene Climate Transition.
英文关键词	Asian dust Parece Vela Basin Climate change in East Asia Sr-Nd isotopes Provenance
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001221737400001
WOS关键词	WESTERN PHILIPPINE SEA ; LAMINATED DIATOM MATS ; NORTH PACIFIC ; EOLIAN DEPOSITION ; GRAIN-SIZE ; LATE PLEISTOCENE ; VOLCANIC-ROCKS ; RADIOGENIC SR ; GEOCHEMICAL CHARACTERISTICS ; ISOTOPIC VARIATIONS
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS研究方向	Physical Geography ; Geology ; Paleontology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405028
推荐引用方式 GB/T 7714	Sun, Yongqiang,Yan, Yi,Clift, Peter D.,et al. Contribution of Asian dust into the sediment budget of the Parece Vela Basin over the last 1 Ma: Implications for the climate change in East Asia[J],2024,643.
APA	Sun, Yongqiang,Yan, Yi,Clift, Peter D.,Dilek, Yildirim,&Zhao, Qi.(2024).Contribution of Asian dust into the sediment budget of the Parece Vela Basin over the last 1 Ma: Implications for the climate change in East Asia.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,643.
MLA	Sun, Yongqiang,et al."Contribution of Asian dust into the sediment budget of the Parece Vela Basin over the last 1 Ma: Implications for the climate change in East Asia".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 643(2024).