大连近海沉积物多环芳烃污染特征及源解析
发布时间:2018-11-05 20:10
【摘要】:本文对大连近海海域15个表层沉积物样品中16种多环芳烃(PAHs)污染特征及来源进行研究。结果表明,沉积物中∑16PAHs总浓度为30.04×10~(-9)~89.24×10~(-9),平均值为50.84×10~(-9),其中工业区显著高于城市地区(p0.05),极显著高于农村地区(p0.01)。沉积物中PAHs含量与总有机碳(TOC)含量间存在显著正相关性(p0.05),表明沉积物有机质含量是影响PAHs含量的主要因素。主成分分析得出,大连近海海域PAHs污染源为石油泄漏造成的石油源、生物质及化石燃料燃烧形成的燃烧源和燃油燃烧形成的交通源。
[Abstract]:The characteristics and sources of (PAHs) pollution of 16 polycyclic aromatic hydrocarbons (PAHs) in 15 surface sediment samples from offshore waters of Dalian were studied in this paper. The results showed that the total concentrations of 鈭,
本文编号:2313293
[Abstract]:The characteristics and sources of (PAHs) pollution of 16 polycyclic aromatic hydrocarbons (PAHs) in 15 surface sediment samples from offshore waters of Dalian were studied in this paper. The results showed that the total concentrations of 鈭,
本文编号:2313293
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