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学科主题: Geosciences, Multidisciplinary
题名: Interannual variations of bomb radiocarbon during 1977-1998 recorded in coral from Daya Bay, South China Sea
作者: Shen, CD ; Yu, KF ; Sun, YM ; Yi, WX ; Yang, Y ; Zhou, B
关键词: coral ; bomb-C-14 ; interannual variation
刊名: SCIENCE IN CHINA SERIES D-EARTH SCIENCES
发表日期: 2003
卷: 46, 期:10, 页:1040-1048
收录类别: sci
部门归属: Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China; Chinese Acad Sci, Inst Earth Environm, Xian 710054, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
项目归属: 海洋地质
摘要: 22 annual layered samples of coral from 1977 to 1998 were collected from Daya Bay, South China Sea, their bomb-C-14 (nuclear weapons testing C-14) concentrations were determined and studied, and the atmosphere-sea exchange rate and diffusion thickness were estimated and found to be 17 Mol. m(-2) . a(-1) and 32 mum, respectively. The interannual variation of coral Delta(14)C is mainly controlled by oceanic factors. In ENSO years, the coastwise upwelling current of South China Sea gets intensified, hence the coral Delta(14)C displays its bottom value. The coral Delta(14)C does not respond vividly to the variation of the solar radiation energy. In the past 20 years or so, the general situation and the oceanic thermal structure of South China Sea are still stable even though interannual variation occurs in the atmosphere-sea interaction and the upwelling current driven by the tropical energy.
原文出处: 查看原文
WOS记录号: WOS:000185354300008
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4754
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:
Shen, CD; Yu, KF; Sun, YM; Yi, WX; Yang, Y; Zhou, B.Interannual variations of bomb radiocarbon during 1977-1998 recorded in coral from Daya Bay, South China Sea,SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2003,46(10):1040-1048
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文件名: Interannual variations of bomb radiocarbon during 1977—1998 recorded in coral from Daya Bay, South China Sea.pdf
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