An analysis of organic matter sources for surface sediments in the central South Yellow Sea, China: Evidence based on macroelements and n-alkanes

被引：20
|
作者：
Zhang, Shengyin [1 ,2 ]
Li, Shuanglin [2 ,3 ]
Dong, Heping [2 ,3 ]
Zhao, Qingfang [2 ,3 ]
Lu, Xinchuan [1 ]
Shi, Ji'an [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Petr Resources, Gansu Prov Key Lab Petr Resources Res, Inst Geol & Geophys, Lanzhou 730000, Peoples R China
[2] Minist Land & Resources, Key Lab Marine Hydrocarbon Resources & Environm G, Qingdao 266071, Shandong, Peoples R China
[3] Qingdao Inst Marine Geol, Qingdao 266071, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2014年 / 88卷 / 1-2期
关键词：
Surface sediment; Organic matter; Macroelements; n-Alkanes; South Yellow Sea; PROVENANCE DISCRIMINATION; MARINE-SEDIMENTS; MACKENZIE RIVER; GEOCHEMISTRY; CARBON; HYDROCARBONS; DEPOSITS; SHELF;
D O I：
10.1016/j.marpolbul.2014.07.064
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
By analyzing the composition of n-alkane and macroelements in the surface sediments of the central South Yellow Sea of China, we evaluated the influencing factors on the distribution of organic matter. The analysis indicates that the distribution of total organic carbon (TOC) was low in the west and high in the east, and TOC was more related to Al2O3 content than medium diameter (MD). The composition of n-alkanes indicated the organic matter was mainly derived from terrestrial higher plants. Contributions from herbaceous plants and woody plants were comparable. The comprehensive analysis of the parameters of macroelements and n-alkanes showed the terrestrial organic matter in the central South Yellow Sea was mainly from the input of the modern Yellow River and old Yellow River. However, some samples exhibited evident input characteristics from petroleum sources, which changed the original n-alkanes of organic matter in sediments. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：389 / 397
页数：9
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