| 南海表层沉积物中有机物分布研究 |
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| 引用本文： | 吴莹,张经,唐运千.南海表层沉积物中有机物分布研究[J].热带海洋学报,1998(3). |
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| 作者姓名： | 吴莹 张经 唐运千 |
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| 作者单位： | 青岛海洋大学化学化工学院!青岛，266003，青岛海洋大学化学化工学院!青岛，266003，国家海洋局第二海洋研究所!杭州，310012 |
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| 基金项目： | 国家自然科学基金!49376278,49576297 |
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| 摘 要： | 对南海表层沉积物中正构烷烃和多环芳烃的含量与分布进行了调查研究。发现南海表层沉积物的正构烷烃碳数分布范围多在C_16－C_33，奇偶优势指数OEP值略大于1，显示有机质输入有混合源的特征；共检出近60种多环芳烃化合物，包括萘、菲、蒽、芴、萤蒽、芘、系列化合物和惹烯、等陆源输入标志物。在此基础上，将所获得的数据进行了因子分析，其结果显示南海表层沉积物的物质输入有如下的特点：陆源高等植物输入和燃烧产物的贡献从北向南递减，而海源输入的特征是由北向南显著。
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| 关 键 词： | 南海 表层沉积物 有机地球化学 因子分析 |
AN ORGANIC GEOCHEMICAL STUDY ON SURFACE SEDIMENTS FROM SOUTH CHINA SEA |
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| Wu Yingl, Zhang Jing.AN ORGANIC GEOCHEMICAL STUDY ON SURFACE SEDIMENTS FROM SOUTH CHINA SEA[J].Journal of Tropical Oceanography,1998(3). |
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| Authors: | Wu Yingl Zhang Jing |
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| Abstract: | The abundances of n-ALKs and PAHs in 9 surface sediment samplesfrom the South China Sea are analyzed to determine the input source variations. WithOEP>1 and weak odd to even carbon preference for n-alkanes, these samplesindicate probably the mixed contributions of organic materials. Moreover, about 60polycyclic aromatic hydrocarbons (PAHs) are discovered in the sediments, includingsome biomarkers such as perylene, retene and tetrahydrocarbons. The results of factoranalysis suggest that the contribution of high plants and combustion products decreasesfrom the north to the south; while marine autochthonous input increases from thesouth to the north of the South China Sea. |
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| Keywords: | South China Sea surface sediment organic geochemistry principal component analysis |
| 本文献已被 CNKI 等数据库收录！ |
