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Sedimentary changes during the Holocene in the Bohai Sea and its paleoenvironmental implication

文献类型：期刊论文

作者Liu, Jianguo1,2; Li, Anchun1; Chen, Muhong2; Xiao, Shangbin3; Wan, Shiming1
刊名CONTINENTAL SHELF RESEARCH
出版日期2008-06-30
卷号28期号:10-11页码:1333-1339
关键词Sedimentation Yellow Sea Warm Current Manganese Abnormity Isotope Holocene Bohai Sea
ISSN号0278-4343
DOI10.1016/j.csr.2008.03.006
文献子类Article
英文摘要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.; 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.
学科主题Oceanography
URL标识查看原文
语种英语
WOS记录号WOS:000257279100009
公开日期2010-12-24
源URL[http://ir.qdio.ac.cn/handle/337002/5049]  
专题海洋研究所_海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
3.China Three Gorges Univ, Coll Civil & Hydroelectr Engn, Yichang 443002, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Jianguo,Li, Anchun,Chen, Muhong,et al. Sedimentary changes during the Holocene in the Bohai Sea and its paleoenvironmental implication[J]. CONTINENTAL SHELF RESEARCH,2008,28(10-11):1333-1339.
APA Liu, Jianguo,Li, Anchun,Chen, Muhong,Xiao, Shangbin,&Wan, Shiming.(2008).Sedimentary changes during the Holocene in the Bohai Sea and its paleoenvironmental implication.CONTINENTAL SHELF RESEARCH,28(10-11),1333-1339.
MLA Liu, Jianguo,et al."Sedimentary changes during the Holocene in the Bohai Sea and its paleoenvironmental implication".CONTINENTAL SHELF RESEARCH 28.10-11(2008):1333-1339.

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来源：海洋研究所

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