Non-aromatic hydrocarbons in surface sediments near the Pearl River estuary in the South China Sea
Gao, XL; Chen, SY; Xie, XL; Long, AM; Ma, FJ; xlgao@scsio.ac.cn
2007
发表期刊ENVIRONMENTAL POLLUTION
ISSN0269-7491
卷号148期号:1页码:40-47
摘要Surface sediment samples at 4 sites along an offshore transect from outer continental shelf off the Pearl River estuary to the shelf slope region of the northern South China Sea, have been analyzed for total organic carbon (TOC), total nitrogen (TN), solvent extractable organic matter (EOM) and non-aromatic hydrocarbons. TOC, TN and EOM show distinct spatial variations. Their highest values are all recorded at the shelf slope region. EOM varies from 18.70-33.58 mu g g(-1) dry sediment and accounts for 0.20-0.72% of the TOC contents. The non-aromatic hydrocarbons are an important fraction of EOM. Their contents range from 3.43-7.06 mu g g(-1) dry sediment. n-Alkanes with carbon number ranging from 15-38 are identified. They derive from both biogenic and petrogenic sources in different proportions. Results of isoprenoid hydrocarbons, hopanes and steranes also suggest possible petroleum contamination. (C) 2006 Elsevier Ltd. All rights reserved.
部门归属CAS, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Guangdong, Peoples R China; SOA, Lab Marine Ecosyst & Biogeochem, Inst Oceanog 2, Hangzhou 310012, Peoples R China; Shandong Light Ind Engn Sch, Qingdao 266112, Peoples R China
关键词Organic Matter Hydrocarbon Biomarker Surface Sediment Northern South China Sea
学科领域Environmental Sciences
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收录类别sci
资助项目LED
WOS记录号WOS:000246978900005
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5889
专题热带海洋环境国家重点实验室(LTO)
通讯作者xlgao@scsio.ac.cn
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Gao, XL,Chen, SY,Xie, XL,et al. Non-aromatic hydrocarbons in surface sediments near the Pearl River estuary in the South China Sea[J]. ENVIRONMENTAL POLLUTION,2007,148(1):40-47.
APA Gao, XL,Chen, SY,Xie, XL,Long, AM,Ma, FJ,&xlgao@scsio.ac.cn.(2007).Non-aromatic hydrocarbons in surface sediments near the Pearl River estuary in the South China Sea.ENVIRONMENTAL POLLUTION,148(1),40-47.
MLA Gao, XL,et al."Non-aromatic hydrocarbons in surface sediments near the Pearl River estuary in the South China Sea".ENVIRONMENTAL POLLUTION 148.1(2007):40-47.
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