| 咸水湖泊沉积物中正构烷烃及其氢同位素组成与成因 |
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| 引用本文： | 段毅,何金先,吴保祥,徐丽,张晓丽,孙涛.咸水湖泊沉积物中正构烷烃及其氢同位素组成与成因[J].地球科学,2011,36(1):53-61. |
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| 作者姓名： | 段毅 何金先 吴保祥 徐丽 张晓丽 孙涛 |
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| 作者单位： | 中国科学院地质与地球物理研究所油气资源研究重点实验室; |
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| 基金项目： | 国家自然科学基金(Nos.40772069,40872092); 国家重点基础研究发展规划“973”项目(No.2005CB422105) |
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| 摘 要： | 青海湖是我国最大的内陆咸水湖泊,对这种湖泊沉积物中正构烷烃及其氢同位素进行了分析,研究了沉积物中正构烷烃及其同位素组成,并且与青海湖水生植物及其周围陆生植物的研究结果进行了对比,研究了它们的成因.结果显示了青海湖表层和柱状沉积物中正构烷烃分布都是类似的,其特征反映了它们起源于湖泊周围陆生草本植物.青海湖表层沉积物中正构...
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| 关 键 词： | 地球化学 咸水湖泊 沉积物 正构烷烃分布 氢同位素组成 成因 |
Composition and Genesis of n-Alkanes and Their Hydrogen Isotope in Sediments from Saline Lake, China |
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| DUAN Yi,HE Jin-xian,WU Bao-xiang,XU Li,ZHANG Xiao-li,SUN Tao.Composition and Genesis of n-Alkanes and Their Hydrogen Isotope in Sediments from Saline Lake, China[J].Earth Science-Journal of China University of Geosciences,2011,36(1):53-61. |
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| Authors: | DUAN Yi HE Jin-xian WU Bao-xiang XU Li ZHANG Xiao-li SUN Tao |
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| Institution: | DUAN Yi,HE Jin-xian,WU Bao-xiang,XU Li,ZHANG Xiao-li,SUN Tao Key Laboratory of Petroleum Resources Research,Institute of Geology and Geophysics,Chinese Academy of Sciences,Lanzhou 730000,China |
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| Abstract: | The Qinghai Lake is the largest saline lake in China. We study the compositions of n-alkanes and their hydrogen isotope in sediments from the lake,and discuss the genesis of their compositions by the comparison with previous study results of plants from the lake and its surrounding areas. Our results show that the n-alkanes in the surface and core sediments have a similar distribution which reflects the source from terrestrial herbaceous plants in the surrounding regions of the lake. The hydrogen isotopic c... |
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| Keywords: | geochemistry saline lake sediment distribution of n-alkane hydrogen isotopic composition genesis |
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