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学科主题: Materials Science, Multidisciplinary; Multidisciplinary Sciences
题名: Coral Sr thermometer simplified from Sr/Ca thermometer
作者: Sun, M ; Lee, T ; Chiu, CH ; Shen, CC ; Sun, YL ; Nie, BF
通讯作者: Sun, M, Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
关键词: coral ; Sr content ; Ca content ; thermometer
刊名: PROGRESS IN NATURAL SCIENCE
发表日期: 2000
卷: 10, 期:12, 页:950-952
收录类别: sci
部门归属: Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China; Acad Sinica, Inst Earth Sci, Beijing 100037, Peoples R China; Inst Rock & Mineral Anal, Beijing 100037, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510310, Peoples R China
摘要: Cubic sub-samples obtained from a Porites coral slice collected from Xisha Islands, South China Sea, were weighed with precise microbalance. The Sr and Ca concentrations were analyzed with isotope dilution thermal ionization mass spectrometry. Our results demonstrate that Ca concentrations in all samples me very uniform (mean = 9.52 mmol/g, 2 sigma = 0.02 mmol/g); Sr concentrations and Sr/Ca ratios are well correlated (correlation coefficient r = 0.9968). It implies that the Sr thermometer can replace Sr/Ca thermometer and the determination of Ca can he omitted. This can save up to 50% time and cast, and more importantly, paleoclimate study using coral proxy can now be carried out in routine Sr isotope laboratories.
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WOS记录号: WOS:000165659900010
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/3922
Appears in Collections:海洋生物_期刊论文

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Recommended Citation:
Sun, M; Lee, T; Chiu, CH; Shen, CC; Sun, YL; Nie, BF.Coral Sr thermometer simplified from Sr/Ca thermometer,PROGRESS IN NATURAL SCIENCE,2000,10(12):950-952
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