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
文献类型：期刊论文
| 作者 | Sun, Yongqiang2,3,4,5; Yan, Yi2,3,4; Clift, Peter D.1,6; Dilek, Yildirim7; Zhao, Qi2,3,4 |
| 刊名 | PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
 |
| 出版日期 | 2024-06-01 |
| 卷号 | 643页码:12 |
| 关键词 | Asian dust Parece Vela Basin Climate change in East Asia Sr-Nd isotopes Provenance |
| ISSN号 | 0031-0182 |
| DOI | 10.1016/j.palaeo.2024.112171 |
| 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. |
| WOS研究方向 | Physical Geography ; Geology ; Paleontology |
| 语种 | 英语 |
| WOS记录号 | WOS:001221737400001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/76979]  |
| 专题 | 同位素地球化学国家重点实验室 |
| 通讯作者 | Yan, Yi |
| 作者单位 | 1.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA 2.Chinese Acad Sci, Guangzhou Inst Geochem, Lab Isotope Geochem, Guangzhou 510640, Peoples R China 3.CAS Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Ocean & Marginal Sea Geol, Guangzhou 510640, Peoples R China 5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China 6.UCL, Dept Earth Sci, London WC1E 6BS, England 7.Miami Univ, Dept Geol & Environm Earth Sci, Oxford, OH 45056 USA |
| 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]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2024,643:12. |
| 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,643,12. |
| 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):12. |
入库方式： OAI收割
来源：广州地球化学研究所
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