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学科主题: Geography, Physical ; Geosciences, Multidisciplinary
题名: Influence of the Kuroshio Current intrusion on Holocene environmental transformation in the South China Sea
作者: [Liu, Jianguo ; Xiang, Rong ; Chen, Muhong ; Yan, Wen ; Chen, Zhong ; Liu, Fang] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Li, Tiegang] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Guangzhou 510301, Guangdong, Peoples R China
通讯作者: jgliu@scsio.ac.cn
关键词: depositional environment ; El Nino/Southern Oscillation (ENSO) ; Holocene ; Kuroshio Current ; Pulleniatina minimum event (PME) ; South China Sea
刊名: HOLOCENE
发表日期: 2013
卷: 23, 期:6, 页:850-859
部门归属: 海洋地质
资助者: This study was jointly funded by the Basic Research Project of State Oceanic Administration People's Republic of China (2013CB956102), National Nature Science Foundation of China (40976028), the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201201), the State Key Program of National Natural Science of China (91128206, 91228207), the National Special Project on Basic Research of Science and Technology (2008FY110100) and the Open Fund of the Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences (MSGL12-09).
摘要: Numerous studies have been conducted on the evolutionary history of the Kuroshio Current (KC) and other extensions. However, the history of the KC intrusion into the South China Sea (SCS) through the Luzon Strait has been little studied. Here we trace the Holocene developmental history of the KC intrusion and its impact on environmental transformation in the northern SCS. This study involved a comprehensive analysis of planktonic foraminifera, clay minerals and geochemical elements of core 05E306 sediments from the northeastern SCS. AMS C-14 dates indicated that the sedimentation rate at the core site was most rapid (>1000 cm/ka) before similar to 6.0 ka, relatively rapid (similar to 65 cm/ka) between 6.0 and 4.6 ka and slow (similar to 24 cm/ka) since 4.6 ka. The Pulleniatina minimum event (PME) occurred between 4.6 and 2.7 ka, together with high percentages of Neogloboquadrina dutertrei and Globorotalia menardii. Planktonic foraminifera indicated that the KC intrusion experienced three significant changes at 6.0, 4.6 and 2.7 ka in turn. Depositional environments, including input of terrigenous materials and development of biogenic materials, similarly underwent three important transformations at 6.0, 4.1 and 3.0 ka, respectively. Abrupt changes in sedimentary records at the study core are contemporary with records from the tropical Pacific during the Holocene. This indicates that development of the KC intrusion and its impact on depositional environments in the SCS can be correlated with tropical factors from the low-latitude oceans.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000319228000008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/11130
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
[Liu, Jianguo; Xiang, Rong; Chen, Muhong; Yan, Wen; Chen, Zhong; Liu, Fang] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Li, Tiegang] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Guangzhou 510301, Guangdong, Peoples R China.Influence of the Kuroshio Current intrusion on Holocene environmental transformation in the South China Sea,HOLOCENE,2013,23(6):850-859
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