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A new perspective for the sediment provenance evolution of the middle Okinawa Trough since the last deglaciation based on integrated methods
Li, Qian1,2; Zhang, Qiang3,4; Li, Guangxue1,2; Liu, Qingsong5; Chen, Min-Te6,7; Xu, Jishang1,2; Li, Jinhua3,4
2019-12-15
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume528Pages:14
AbstractThe sediment in the Okinawa Trough (OT) preserves considerable information regarding land-ocean interactions and palaeoenvironmental evolution in the East Asian marginal seas. More specifically, the sediment provenance in the OT must be studied to recover this information. However, arguments about this remain, especially regarding the contribution of Yellow River (YR)-derived materials to middle OT depositions. To resolve this problem, we systematically investigated a gravity core (M063-05; 3.87 m in length, since the last deglaciation) collected from the middle OT by integrating environmental magnetism, diffuse reflectance spectroscopy, and transmission electron microscopy, as well as analyses of sediment grain size, clay mineralogy, and major elements. Our results indicated that sediment from the YR has contributed dominantly to this core since the last deglaciation. Limited contributions were also made from the Yangtze River and Taiwan rivers during the Holocene. Terrigenous inputs derived from the YR could be well characterized by the ratio of hematite/(hematite + goethite). Additionally, the Kuroshio Current (KC) activity since the last deglaciation, which is an important influencing factor for sediment provenance changes, was well deciphered using a new proxy Rel(DM) (relative contribution of detrital ferrimagnetic minerals to bulk magnetic properties). Based on comprehensive analyses of our results and previously published studies, we hypothesised that, during the last deglaciation, abundant resuspended sediment from the palaeo-YR mouth was transported to the East China Sea (ECS) continental shelf edge and the northern OT through seaward bottom flow and further spread into the middle OT. Since the Middle to Late Holocene, the central mud area of the South Yellow Sea and the mud area southwest off Cheju Island may have become the main sources to provide YR-derived materials to the middle OT. However, the mud-area-derived sediment could only be restricted to a small range owing to the hindrance of the strengthened KC. This study provides a new perspective for sediment provenance evolution of the middle OT since the last deglaciation and proposes new methods and parameters for future research on palaeoenvironmental evolution in the ECS. (C) 2019 Elsevier B.V. All rights reserved.
Keywordenvironmental magnetism sediment provenance Okinawa Trough last deglaciation
DOI10.1016/j.epsl.2019.115839
Funding OrganizationProject of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordEAST CHINA SEA ; ND ISOTOPIC CONSTRAINTS ; MAGNETIC-PROPERTIES ; PALEOENVIRONMENTAL CHANGE ; GRAIN-SIZE ; GEOCHEMICAL EVIDENCE ; ACQUISITION CURVES ; CONTINENTAL-SHELF ; MARINE-SEDIMENTS ; KUROSHIO CURRENT
Language英语
Funding ProjectProject of Global Change and Air-Sea Interaction[GASI-02-PAC-C115] ; Taishan Scholar Project grant ; National Key R&D Program of China[2016YFA0601903] ; National Natural Science Foundation of China[41430962]
Funding OrganizationProject of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of Global Change and Air-Sea Interaction ; Project of Global Change and Air-Sea Interaction ; Taishan Scholar Project grant ; Taishan Scholar Project grant ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000493223500012
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95694
Collection岩石圈演化国家重点实验室
Corresponding AuthorLi, Guangxue; Liu, Qingsong
Affiliation1.Ocean Univ China, Coll Marine Geosci, Qingdao 266100, Shandong, Peoples R China
2.Ocean Univ China, Key Lab Submarine Geosci & Prospecting Tech, Minist Educ MOE, Qingdao 266100, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
5.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Ctr Marine Magnetism CM2, Shenzhen 518055, Peoples R China
6.Natl Taiwan Ocean Univ, Inst Earth Sci, Keelung 202, Taiwan
7.Pilot Natl Lab Marine Sci & Technol, Qingdao, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Li, Qian,Zhang, Qiang,Li, Guangxue,et al. A new perspective for the sediment provenance evolution of the middle Okinawa Trough since the last deglaciation based on integrated methods[J]. EARTH AND PLANETARY SCIENCE LETTERS,2019,528:14.
APA Li, Qian.,Zhang, Qiang.,Li, Guangxue.,Liu, Qingsong.,Chen, Min-Te.,...&Li, Jinhua.(2019).A new perspective for the sediment provenance evolution of the middle Okinawa Trough since the last deglaciation based on integrated methods.EARTH AND PLANETARY SCIENCE LETTERS,528,14.
MLA Li, Qian,et al."A new perspective for the sediment provenance evolution of the middle Okinawa Trough since the last deglaciation based on integrated methods".EARTH AND PLANETARY SCIENCE LETTERS 528(2019):14.
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