IOCAS-IR  > 海洋地质与环境重点实验室
The evolution and control of detrital sediment provenance in the middle and northern Okinawa Trough since the last deglaciation: Evidence from Sr and Nd isotopes
Jiang, Fuqing1,2; Xiong, Zhifang2,4; Frank, Martin3; Yin, Xuebo1; Li, Anchun1
2019-05-15
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume522Pages:1-11
Corresponding AuthorJiang, Fuqing(fqjiang@qdio.ac.cn)
AbstractThe Okinawa Trough (OT) is a large sink of sediments supplied by the East Asian continent. Identifying the provenance of the OT sediments is key to reconstructing the temporal and spatial variations of the terrigenous supply to this area and is important for understanding the impact of paleoclimatic and paleoceanographic variability on the sediment supply to this marginal sea over the late Quaternary. In this contribution, we show that radiogenic strontium (Sr) and neodymium (Nd) isotopes allow to efficiently distinguish Yellow and Yangtze/Taiwan River detrital sediments, and can be used to reconstruct distinct changes in the provenance of the detrital fraction of marine sediments from the middle and northern OT since the last deglaciation. The Sr and Nd isotope signatures are compared to those of the potential sediment sources, namely the Yellow and Yangtze Rivers, the Taiwan orogen, and volcanic material from the OT and nearby islands, and the relative contributions of these sources are reconstructed. The Sr and Nd isotope compositions of the detrital fraction in the two sediment cores recovered from the middle and northern OT show that the sediments mainly originated from the Yangtze River between 18 and 10.5 ka, which was caused by low sea level and a widely developed channel system on the continental shelf. During the period between 10.5 and 7.0 ka, the rising sea level resulted in elevated Yangtze and Yellow Rivers sediment input into the OT. Simultaneously, large-scale volcanic activity also contributed significant amounts of material to the OT. During the last 7.0 ka, besides important contributions from the Yellow River, the intensification of the Kuroshio Current resulted in increased delivery of sediment from Taiwan to the OT.
KeywordYellow River Yangtze River Taiwan orogen Volcanic material Kuroshio current
DOI10.1016/j.palaeo.2019.02.017
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41576050] ; National Natural Science Foundation of China[41776065] ; National Natural Science Foundation of China[41876068] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11030302] ; National Program on Global Change and Air-Sea Interaction[GASI-GEOGE-02] ; National Program on Global Change and Air-Sea Interaction[GASI-GEOGE-04] ; Qingdao National Laboratory for Marine Science and Technology[QNLM2016ORP0205]
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000466619500002
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157037
Collection海洋地质与环境重点实验室
Corresponding AuthorJiang, Fuqing
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Shandong, Peoples R China
3.Helmholtz Ctr Ocean Res Kiel, GEOMAR, Wischhofstr 1-3, D-24148 Kiel, Germany
4.State Ocean Adm, Key Lab Marine Sedimentol & Environm Geol, Inst Oceanog 1, Qingdao 266061, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jiang, Fuqing,Xiong, Zhifang,Frank, Martin,et al. The evolution and control of detrital sediment provenance in the middle and northern Okinawa Trough since the last deglaciation: Evidence from Sr and Nd isotopes[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2019,522:1-11.
APA Jiang, Fuqing,Xiong, Zhifang,Frank, Martin,Yin, Xuebo,&Li, Anchun.(2019).The evolution and control of detrital sediment provenance in the middle and northern Okinawa Trough since the last deglaciation: Evidence from Sr and Nd isotopes.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,522,1-11.
MLA Jiang, Fuqing,et al."The evolution and control of detrital sediment provenance in the middle and northern Okinawa Trough since the last deglaciation: Evidence from Sr and Nd isotopes".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 522(2019):1-11.
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