Correlation between delta O-18, Sr/Ca and Mg/Ca of coral Acropora and seawater temperature from coral culture experiments | |
Xiao, YK (Xiao YingKai)[ 1,2,3 ]; Liu, WG (Liu WeiGuo)[ 2 ]; Ma, YQ (Ma YunQi)[ 1 ]; Zhang, YL (Zhang YanLing)[ 1 ]; He, MY (He MaoYong)[ 2 ]; Luo, CG (Luo ChongGuang)[ 1 ]; Liao, QQ (Liao QingQiang) | |
2014-05-01 | |
发表期刊 | SCIENCE CHINA-EARTH SCIENCES |
卷号 | 57期号:5页码:1048-1060 |
文章类型 | 期刊论文 |
摘要 | To be used as proxies of seawater surface temperature (SST), the delta O-18(c) values and Sr/Ca and Mg/Ca ratios of scleractinian coral skeletons must be verified by coral culture experiments in the laboratory. This paper describes a coral culture experiment that was conducted at several seawater temperatures T (21-28A degrees C) using a tandem aquarium system and the new method for depositing coral skeletons grown under controlled conditions. The delta O-18(c) values and the Sr/Ca and Mg/Ca ratios of the cultured coral were measured. We concluded that the delta O-18(c) values and Sr/Ca and Mg/Ca ratios of the cultured coral are clearly correlated with T. The linear regression curve is delta O-18(c)(aEuro degrees)=-0.1427xT(A degrees C)-0.1495 (n=18, r=0.955, p < 0.0001), and the slope of -0.1427aEuro degrees/A degrees C is at the low end of the range of published values (-0.13- -0.29aEuro degrees/A degrees C). The Sr/Ca ratio decreases with increasing T, whereas the Mg/Ca ratio increases with increasing T, indicating a negative correlation between Sr/Ca and Mg/Ca. Their linear regression curves are Sr/Ca(mmol/mol)=-0.04156xT+10.59 (n=15, r=0.789, p < 0.005) and Mg/Ca (mmol/mol)=0.04974xT+2.339 (n=17, r=0.457, p < 0.05), respectively, which demonstrate that when Mg/Ca and Sr/Ca are increased by one unit, T increases by 5.19A degrees C and decreases by 15.62A degrees C, respectively. These variations are significantly lower than published values. |
DOI | 10.1007/s11430-013-4710-6 |
收录类别 | SCI ; EI |
语种 | 英语 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/9823 |
专题 | 加速器质谱中心 |
通讯作者 | Xiao, YK (Xiao YingKai)[ 1,2,3 ] |
作者单位 | 1.Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China; 2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China; 3.Beihai Aquarium, Beihai 536000, China |
推荐引用方式 GB/T 7714 | Xiao, YK ,Liu, WG ,Ma, YQ ,et al. Correlation between delta O-18, Sr/Ca and Mg/Ca of coral Acropora and seawater temperature from coral culture experiments[J]. SCIENCE CHINA-EARTH SCIENCES,2014,57(5):1048-1060. |
APA | Xiao, YK .,Liu, WG .,Ma, YQ .,Zhang, YL .,He, MY .,...&Liao, QQ .(2014).Correlation between delta O-18, Sr/Ca and Mg/Ca of coral Acropora and seawater temperature from coral culture experiments.SCIENCE CHINA-EARTH SCIENCES,57(5),1048-1060. |
MLA | Xiao, YK ,et al."Correlation between delta O-18, Sr/Ca and Mg/Ca of coral Acropora and seawater temperature from coral culture experiments".SCIENCE CHINA-EARTH SCIENCES 57.5(2014):1048-1060. |
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