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Using δDn-alkane as a proxy for paleo-environmental reconstruction: Agood choice to sample at the site dominated by woods
Liu,JZ(Liu,Jinzhao)1,2; An,ZS(An,Zhisheng)2; Wang,Z(Wang,Zheng)2; Wu,HW(Wu,Huawu)3; Liu,Jinzhao
2017-10-01
发表期刊Science of the Total Environment
卷号599-600期号:2017页码:554-559
文章类型期刊论文
摘要Some studies have demonstrated that leaf wax δDn-alkane values for a single species varied significantly with seasons. However, it is still not clear that the seasonality patterns of leaf wax δDn-alkane values in higher plants. Meanwhile, few efforts have been pursued to assess the effect of the light slopes (sunny vs. cloudy) on leaf wax δDn-alkane values. In this study, we systematically investigated plant wax δDn-alkane values and soil n-alkane δD values along different light slopes in different seasons (spring vs. autumn), as well as the relationship of n-alkane δD values between plant leaves and soil. We found that plant wax δDn-alkane values were D-enriched by ca. 20‰ in spring relative to autumn, and ca. 10‰ in the sunny slope than in the cloudy slope. Moreover, surface soil n-alkane δD values varied consistently with plant wax δDn-alkane values for different seasons and light slopes. More importantly, plant wax δDn-alkane values showed clear seasonal variations, but varied slightly with light slopes. The variations of plant wax δDn-alkane values can be recorded in soil n-alkane δDn-alkane values. In addition, we found that leaf wax δDn-alkane values in a majority of species differed significantly among woods, non-woods and grasses at a site. Therefore, we suggested a good choice to sample at the site dominated by woods when leaf wax δDn-alkane values are utilized as a proxy for the reconstruction of the paleoenvironment.
关键词Leaf Wax Hydrogen Isotope N-alkane Season Light Slope
DOI10.1016/j.scitotenv.2017.05.004
收录类别SCI
所属项目编号KZZD-EW-04 ; 41473022
语种英语
项目资助者Key Research Program of theChinese Academy of Sciences ; Key Research Program of theChinese Academy of Sciences ; NationalNatural Science Foundation of China ; NationalNatural Science Foundation of China
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5628
专题加速器质谱中心
通讯作者Liu,Jinzhao
作者单位1.School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China
3.Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
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Liu,JZ,An,ZS,Wang,Z,et al. Using δDn-alkane as a proxy for paleo-environmental reconstruction: Agood choice to sample at the site dominated by woods[J]. Science of the Total Environment,2017,599-600(2017):554-559.
APA Liu,JZ,An,ZS,Wang,Z,Wu,HW,&Liu,Jinzhao.(2017).Using δDn-alkane as a proxy for paleo-environmental reconstruction: Agood choice to sample at the site dominated by woods.Science of the Total Environment,599-600(2017),554-559.
MLA Liu,JZ,et al."Using δDn-alkane as a proxy for paleo-environmental reconstruction: Agood choice to sample at the site dominated by woods".Science of the Total Environment 599-600.2017(2017):554-559.
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