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Cold event at 5 500 a BP recorded in mud sediments on the inner shelf of the East China Sea

文献类型：期刊论文

作者Xu Fangjian1,2,3; Li Anchun1; Xu Kehui4; Li Tiegang1; Chen Shiyue2; Wan Shiming1; Liu Jianguo1
刊名CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
出版日期2009-11-01
卷号27期号:4页码:975-984
关键词5 500 a Bp Cold Event Grain-size East Asian Winter Monsoon Mid-holocene East China Sea
ISSN号0254-4059
DOI10.1007/s00343-009-9273-1
文献子类Article
英文摘要A 700-year record (1.0-1.5 a resolution) of the East Asian winter monsoon (EAWM), based on grain-size analysis and AMS(14)C dating of Core EC2005 from the inner-shelf mud wedge of the East China Sea (ECS), was compared with the Dongge stalagmite delta(18)O record during the mid-Holocene. The upper muddy section of Core EC2005 has been formed mainly by suspended sediments derived from the Changjiang (Yangtze) River mouth since 7.3 ka BP. High precipitation and a strengthened EAWM might have played key roles in the high sedimentation rate (1 324-1 986 cm/ka) between 5.9-5.2 ka BP. The EAWM strengthened when the Asian summer monsoon weakened, especially around 5 500 a BP, which corresponded to a worldwide cold event. The EAWM during the mid-Holocene shows statistically significant solar periodicities at 62 and 11 a. The 5 500 a BP cold event might be resulted from orbital forcing and changes in solar activity.; A 700-year record (1.0-1.5 a resolution) of the East Asian winter monsoon (EAWM), based on grain-size analysis and AMS(14)C dating of Core EC2005 from the inner-shelf mud wedge of the East China Sea (ECS), was compared with the Dongge stalagmite delta O-18 record during the mid-Holocene. The upper muddy section of Core EC2005 has been formed mainly by suspended sediments derived from the Changjiang (Yangtze) River mouth since 7.3 ka BP. High precipitation and a strengthened EAWM might have played key roles in the high sedimentation rate (1 324-1 986 cm/ka) between 5.9-5.2 ka BP. The EAWM strengthened when the Asian summer monsoon weakened, especially around 5 500 a BP, which corresponded to a worldwide cold event. The EAWM during the mid-Holocene shows statistically significant solar periodicities at 62 and 11 a. The 5 500 a BP cold event might be resulted from orbital forcing and changes in solar activity.
学科主题Limnology ; Oceanography
语种英语
WOS记录号WOS:000272422300035
公开日期2010-12-22
源URL[http://ir.qdio.ac.cn/handle/337002/3717]  
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.China Univ Petr, Fac Georesources & Informat, Qingdao 266555, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Coastal Carolina Univ, Dept Marine Sci, Conway, SC 29528 USA
推荐引用方式
GB/T 7714		 Xu Fangjian,Li Anchun,Xu Kehui,et al. Cold event at 5 500 a BP recorded in mud sediments on the inner shelf of the East China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2009,27(4):975-984.
APA Xu Fangjian.,Li Anchun.,Xu Kehui.,Li Tiegang.,Chen Shiyue.,...&Liu Jianguo.(2009).Cold event at 5 500 a BP recorded in mud sediments on the inner shelf of the East China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,27(4),975-984.
MLA Xu Fangjian,et al."Cold event at 5 500 a BP recorded in mud sediments on the inner shelf of the East China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 27.4(2009):975-984.

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来源：海洋研究所

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