Sedimentary fractionation of genetically different hydrocarbons in the Baltic Sea

被引：0
|
作者：
Nemirovskaya, IA [1 ]
机构：
[1] Russian Acad Sci, PP Shirshov Oceanol Inst, Moscow 117851, Russia
来源：
GEOCHEMISTRY INTERNATIONAL | 2002年 / 40卷 / 06期
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D O I：
暂无
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Samples of the Baltic Sea water and surface bottom sediments were analyzed for concentration and composition of dissolved and suspended aliphatic and polycyclic aromatic hydrocarbons. The data obtained provide evidence for an important role of sorption in sedimentation. The fractionation of hydrocarbons is caused by their biochemical transformation and redistribution of genetically different components during their migration. The effect of autochthonous and anthropogenic sources on hydrocarbon composition is mainly developed in the shallow-water zone, where the sedimentation rate is higher than the rate of hydrocarbon transformation.
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页码：601 / 607
页数：7
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