黄河口及近海表层沉积物中烃类化合物的组成和分布

张娇; 张龙军; 宫敏娜

黄河口及近海表层沉积物中烃类化合物的组成和分布

1.
青岛农业大学资源与环境学院,山东青岛 266109
2.
中国海洋大学海洋环境与生态教育部重点实验室,山东青岛 266100
3.
平度市环保局,山东青岛 266700

基金项目: 山东省自然科学基金(Z2007D08);国家重点基础研究发展规划项目(2002CB412504)。

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出版历程
- 收稿日期: 2009-05-14
- 修回日期: 2009-10-23

The distribution of hydrocarbons in the surface sediments from the Huanghe Estuary and adjacent area

1.
College of Resources and Environment, Qingdao Agricultural University, Qingdao 266109,China
2.
Key Laboratory of Ministry of Education for Environmental Science and Ecology, Ocean University of China, Qingdao 266100,China
3.
Pingdu Enviromental Protection Administration, Qingdao 266700,China

摘要

摘要: 为探讨黄河口近海表层沉积物有机质中烃类化合物的分布特征及输运过程,2003年9月采集了南北两个断面表层沉积物样品,对沉积物中正构烷烃和多环芳烃进行了分析,结果表明,黄河口表层沉积物中正构烷烃和多环芳烃的含量分别为0.38 ~2.55和0.371~ 0.650 μg/g。在南北断面两种烃类化合物的分布明显不同:北断面受石油平台影响,烃类化合物在口门含量较高;南断面受黄河输入影响,由于大颗粒易于沉降,而吸附烃类化合物的能力较强的小颗粒易长距离输运,使这两种烃类化合物的含量从河口到近海整体呈上升的趋势。与北断面
- 正构烷烃 /
- 沉积物 /
- 多环芳烃 /
- 黄河口
Abstract: The surface sediment samples from the Huanghe Estuary were collected in September 2003 to explore the distribution and transportation of hydrocarbons in organic matter. The total concentrations of alkanes and polycyclic hydrocarbons varied from 0.38~2.55 to 0.371 ~0.650 μg/g, respectively. Significant differences were observed between the northern section and the southern section.Owing to the influence of the oilfield near the Huanghe Delta, the levels of two kinds of hydrocarbons show the highest level at the mouth in the northern section.Owing to the influence of the water from the Huanghe River, the hydrocarbons increase with the increasing of the distance from the coast in the southern section because the larger size particles are easy to deposit at the mouth of the river and the smaller particles resided with more hydrocarbons are easy to transport over long distance. More biogenic n-alkanes were found in the northern section than that in the southern section. The farther away from the river, the less terrestrial organic matter was observed in the southern section. The PAHs mainly were originated from coal burning in the southern section, and PAH inputs could come from petroleum and coal burning in the northern section.
- alkanes /
- PAHs /
- sediments /
- Huanghe Estuary

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