| Trace elements in tree rings and their environmental effects: A case study in Xi’an City |
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| 引用本文： | LIU Yu,,TA WeiYuan,BAO TingYi,YANG ZengYue,SONG HuiMing,LIU Na,WANG WeiPing,ZHANG HongYi,ZHANG Wei & AN ZhiSheng School of Human Settlement , Civil Engineering,Xi’an JiaoTong University,Xi’an ,China, The Institute of Environment , Reproduction,Department of Urology,The Fourth Military Medical University,Xi’an , Institute of Earth Environment,Chinese Academy of Sciences,Xi’an .Trace elements in tree rings and their environmental effects: A case study in Xi’an City[J].中国科学D辑(英文版),2009,52(4):504-510. |
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| 作者姓名： | LIU Yu TA WeiYuan BAO TingYi YANG ZengYue SONG HuiMing LIU Na WANG WeiPing ZHANG HongYi ZHANG Wei & AN ZhiSheng School of Human Settlement Civil Engineering Xi’an JiaoTong University Xi’an China The Institute of Environment Reproduction |
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| 基金项目： | Supported by National Natural Science of China (Grant Nos. 40525004, 40121303);;National Basic Peasearch Program of China (Grant No. 2004CB720200) |
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| 摘 要： | Using wet digested method and ICP mass spectrometer, we analyzed the concentration of five trace elements (Cd, Mn, P, Zn and Pb) for the tree rings from both urban and suburbs of Xi’an. At the urban sampling site, one Chinese mahogany (Toona sinensis) disc and one phoenix tree (Firmiana simplex) disc were sampled from a steelworks in Xi’an City. At the suburb site, a Chinese mahogany disc was collected from a village in the south of the City. In addition, some soils near the roots of the sampled trees were ...
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| 关 键 词： | Xi’an tree rings element concentration environmental contaminants |
| 收稿时间： | 15 October 2005 |
Trace elements in tree rings and their environmental effects: A case study in Xi’an City |
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| Yu?Liu,WeiYuan?Ta,TingYi?Bao,ZengYue?Yang,HuiMing?Song,Na?Liu,WeiPing?Wang,HongYi?Zhang,Wei?Zhang,ZhiSheng?An.Trace elements in tree rings and their environmental effects: A case study in Xi’an City[J].Science in China(Earth Sciences),2009,52(4):504-510. |
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| Authors: | Yu Liu WeiYuan Ta TingYi Bao ZengYue Yang HuiMing Song Na Liu WeiPing Wang HongYi Zhang Wei Zhang ZhiSheng An |
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| Institution: | (1) School of Human Settlement and Civil Engineering, Xi’an JiaoTong University, Xi’an, 710049, China;(2) The Institute of Environment and Reproduction, Department of Urology, The Fourth Military Medical University, Xi’an, 710038, China;(3) Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, 710075, China |
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| Abstract: | Using wet digested method and ICP mass spectrometer, we analyzed the concentration of five trace elements (Cd, Mn, P, Zn and
Pb) for the tree rings from both urban and suburbs of Xi’an. At the urban sampling site, one Chinese mahogany (Toona sinensis) disc and one phoenix tree (Firmiana simplex) disc were sampled from a steelworks in Xi’an City. At the suburb site, a Chinese mahogany disc was collected from a village
in the south of the City. In addition, some soils near the roots of the sampled trees were collected. The analysis results
indicate that the concentration of each of the five elements in annual rings has a positive correlation with the production
of the steelworks. Statistical calculations show that Pb and Mn elements were stable without lag effects. That means these
two elements do not move between rings. Cd displayed one year moving, P two years and Zn three years. These results are quite
similar to those found by other methods.
Supported by National Natural Science of China (Grant Nos. 40525004, 40121303), National Basic Peasearch Program of China
(Grant No. 2004CB720200) |
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| Keywords: | Xi’ an tree rings element concentration environmental contaminants |
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