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Interannual variations of bomb radiocarbon during 1977-1998 recorded in coral from Daya Bay, South China Sea
Shen, CD; Yu, KF; Sun, YM; Yi, WX; Yang, Y; Zhou, B
2003
发表期刊SCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN1006-9313
卷号46期号:10页码:1040-1048
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.
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
关键词Coral Bomb-c-14 Interannual Variation
学科领域Geosciences, Multidisciplinary
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000185354300008
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4754
专题中科院边缘海地质重点实验室
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Shen, CD,Yu, KF,Sun, YM,et al. Interannual variations of bomb radiocarbon during 1977-1998 recorded in coral from Daya Bay, South China Sea[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2003,46(10):1040-1048.
APA Shen, CD,Yu, KF,Sun, YM,Yi, WX,Yang, Y,&Zhou, B.(2003).Interannual variations of bomb radiocarbon during 1977-1998 recorded in coral from Daya Bay, South China Sea.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,46(10),1040-1048.
MLA Shen, CD,et al."Interannual variations of bomb radiocarbon during 1977-1998 recorded in coral from Daya Bay, South China Sea".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 46.10(2003):1040-1048.
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