Composition and sources of organic matter and its solvent extractable components in surface sediments of a bay under serious anthropogenic influences: Daya Bay, China
Gao, Xuelu1,2; Chen, Shaoyong1; Long, Aimin1
发表期刊MARINE POLLUTION BULLETIN
ISSN0025-326X
2008-06-01
卷号56期号:6页码:1066-1075
关键词Bulk Analysis Solvent Extractable Organic Matter Biomarker Surface Sediment Daya Bay
产权排序Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam; Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev
通讯作者Chen, SY, Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China
作者部门污染过程与控制实验室
英文摘要Organic matter of nine surface sediments from the Daya Bay was Soxhlet-extracted with a mixture of 2:1 (v/v) dichloromethane-methanol and separated into five fractions: non-aromatic hydrocarbons, aromatic hydrocarbons, ketones, alcohols, and fatty acids and asphaltenes, and analyzed to determine their bulk and biomarker composition. Marine autogenic input appears to be a major source of organic matter. Generally, non-aromatic hydrocarbons are the most dominant fraction of solvent-extractable organic matter (EOM) followed by the other four fractions in decreasing amounts: fatty acids and asphaltenes, ketones, alcohols and aromatic hydrocarbons. On average, both non-aromatic hydrocarbon fraction and fatty acid and asphaltene fraction account for similar to 40% of EOM. The sources of acyclic methyl ketones, alkanols and fatty acids were examined. For n-alkan-2-ones, allochthonous input is a more important source than marine autogenetic input; the reverse is true for n-fatty acids; for n-alkanols, allochthonous and autogenetic inputs seem comparable. Both n-alkan-2-ones and n-fatty acids in the surface sediments of different areas appear to be derived from common sources. (C) 2008 Elsevier Ltd. All rights reserved.
文章类型Article
收录类别SCI
语种英语
关键词[WOS]PEARL RIVER ESTUARY ; FATTY-ACIDS ; MARINE-SEDIMENTS ; YANGTZE-RIVER ; LIPID BIOGEOCHEMISTRY ; SOUTHERN CHINA ; ADJACENT SHELF ; HEAVY-METALS ; CARBON ; HYDROCARBONS
研究领域[WOS]Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS记录号WOS:000257377400016
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/3556
专题中国科学院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室
作者单位1.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Guangdong, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
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Gao, Xuelu,Chen, Shaoyong,Long, Aimin. Composition and sources of organic matter and its solvent extractable components in surface sediments of a bay under serious anthropogenic influences: Daya Bay, China[J]. MARINE POLLUTION BULLETIN,2008,56(6):1066-1075.
APA Gao, Xuelu,Chen, Shaoyong,&Long, Aimin.(2008).Composition and sources of organic matter and its solvent extractable components in surface sediments of a bay under serious anthropogenic influences: Daya Bay, China.MARINE POLLUTION BULLETIN,56(6),1066-1075.
MLA Gao, Xuelu,et al."Composition and sources of organic matter and its solvent extractable components in surface sediments of a bay under serious anthropogenic influences: Daya Bay, China".MARINE POLLUTION BULLETIN 56.6(2008):1066-1075.
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