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学科主题: Oceanography
题名: Sedimentary changes during the Holocene in the Bohai Sea and its paleoenvironmental implication
作者: Liu, JG ; Li, AC ; Chen, MH ; Xiao, SB ; Wan, SM
通讯作者: jgliu78@126.com ; acli@ms.qdio.ac.cn
关键词: sedimentation ; Yellow Sea Warm Current ; manganese abnormity ; isotope ; Holocene ; Bohai Sea
刊名: CONTINENTAL SHELF RESEARCH
发表日期: 2008
卷: 28, 期:40827, 页:1333-1339
收录类别: sci
部门归属: [Liu, Jianguo; Li, Anchun; Wan, Shiming] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China; [Liu, Jianguo; Chen, Muhong] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Xiao, Shangbin] China Three Gorges Univ, Coll Civil & Hydroelectr Engn, Yichang 443002, Peoples R China
项目归属: 海洋地质
摘要: Samples of two cores, Cores M5-5 and M7-4 in the Bohai Sea were analyzed in isotopes, grain size, heavy minerals, chemical compositions, and 14 C dating to reconstruct the sedimentation during the Holocene. Abrupt change in carbon and oxygen stable isotopes was recognized at Core M5-5 at about 6400 a BP, which was likely due to the intrusion of the Yellow Sea Warm Current (YSWC) extension into the Bohai Sea. At Core M7-4, sediments between 5900 and 6600 a BP (150-260 cm depth) became coarse-grained, containing rich garnet, high manganese content, and nil autogenic pyrite, indicating a very dynamic sedimentary event during which the ambience was transformed from reductive to oxidative, and sedimentation boosted. Meanwhile, the YSWC had invaded into the Bohai Sea indicated by rich planktonic foraminifera in this event. (c) 2008 Elsevier Ltd. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000257279100009
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4540
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Liu, JG; Li, AC; Chen, MH; Xiao, SB; Wan, SM.Sedimentary changes during the Holocene in the Bohai Sea and its paleoenvironmental implication,CONTINENTAL SHELF RESEARCH,2008,28(40827):1333-1339
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