| 海南岛东部海域滨珊瑚Sr/Ca比值温度计 及其影响因素初探* |
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| 引用本文： | 刘 羿,彭子成,程继满,孙 铁,聂宝符,陈特固.海南岛东部海域滨珊瑚Sr/Ca比值温度计 及其影响因素初探*[J].第四纪研究,2006,26(3):470-476. |
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| 作者姓名： | 刘 羿 彭子成 程继满 孙 铁 聂宝符 陈特固 |
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| 作者单位： | 中国科学技术大学地球与空间科学学院，中国科学技术大学地球与空间科学学院，中国科学技术大学地球与空间科学学院，中国科学技术大学地球与空间科学学院，中国科学院南海海洋研究所，中国科学院南海海洋研究所 合肥230026，合肥230026，中国科学院地球环境研究所黄土与第四纪地质国家重点实验室，西安710075，合肥230026，合肥230026，广州510301，广州510301 |
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| 基金项目： | 中国科学院知识创新工程项目(批准号:KZCX2-SW-118和KZCX3-SW-120)，国家科学技术部基础研究项目(批准号:2001CCB00100)，中国科学院地球环境研究所黄土与第四纪地质国家重点实验室开放基金项目(批准号:0324)，中国科学院广州地球化学研究所同位素实验室开放基金项目(批准号:GIGISO-05-07)资助 |
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| 摘 要： | 文章采用全谱直读等离子体原子发射光谱(ICP-AES)的方法测定了1986~1996年海南岛东部海域滨珊瑚的Sr/Ca比值,建立了该海域月分辨率的Sr/Ca海水表面温度计方程:SST(℃)=170-16 (mmol/mol),n = 133,r=0.80,p=0.01, 此与韦刚健等在西沙海域建立的温度计方程:SST(℃)=169-16.7 (mmol/mol)一致,这表明南海中、北部海域也出现有相似的微量元素温度计。此外,文章还分析了在某些年月份SST的实测值和计算值出现的显著差别,探讨了可能造成的海洋气象环境因素。
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| 关 键 词： | 海南岛东部海域 滨珊瑚 Sr/Ca温度计 |
| 文章编号： | 1001-7410（2006）03-470-07 |
| 收稿时间： | 2005-08-25 |
| 修稿时间： | 2005-11-30 |
THE RELATIONSHIP BETWEEN Sr/Ca VALUES OF Porites CORAL AND SST VALUES IN EASTERN HAINAN ISLAND AT THE NORTH OF SOUTH CHINA SEA AND ITS INFLUENCE FACTORS |
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| Liu Yi,Peng Zicheng, Cheng Jiman, Sun Tie,Nie Baofu, Chen Tegu.THE RELATIONSHIP BETWEEN Sr/Ca VALUES OF Porites CORAL AND SST VALUES IN EASTERN HAINAN ISLAND AT THE NORTH OF SOUTH CHINA SEA AND ITS INFLUENCE FACTORS[J].Quaternary Sciences,2006,26(3):470-476. |
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| Authors: | Liu Yi Peng Zicheng Cheng Jiman Sun Tie Nie Baofu Chen Tegu |
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| Institution: | School of Earth and Space Science, University of Science and Technology of China, Hefei230026;State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an710075|South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou510301 |
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| Abstract: | The monthly variations in Sr/Ca ratio of the Porites coral from Eastern Hainan Island have been studied using the ICP-AES technique. On the basis of the correlation analysis between Sr/Ca values and SST values measured from the Meteorological Station, a thermometer has been set up as a formula of SST(℃)=170-16 (mmol/mol), n=133, r=0.80, p=0.01, which is similar to the formula of SST(℃)=169-16.7 (mmol/mol) for Xisha waters. Compared with Sr/Ca thermometers from open oceans, the slopes of Sr/Ca-SST relationships in South China Sea are lower, which is probably due to marginal sea effect on Sr/Ca thermometers. The obvious offset of the measured SST from the calculated SST in some years could be caused by up-welling events, which bring cold water with high Sr contents and high Sr/Ca ratios. |
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| Keywords: | Eastern Hainan Island Porites coral Sr/Ca thermometer |
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