粤东柘林湾表层沉积物中的多环芳烃
Polycyclic aromatic hydrocarbons in surface sediments of Zhelin Bay, East Guangdong in China
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摘要: 近岸海域是绝大数污染物的最终归宿,其中多环芳烃(PAHs)的污染目前已成为国内外环境问题的焦点之一[1~3].20世纪80年代以来,国内外对河口湾、港湾、近岸海域等海洋环境中PAHs的含量、组成、分布、归趋及来源等做了大量的调查[4~15].比如,中国科学院广州地化所对珠三角水域和厦门大学对厦门港一带均做了大量的工作,结果发现表层沉积物中16种优控PAHs总量在珠江口达到156~9220 ng/g,闽江口为175~817ng/g,厦门西港则在196~675 ng/g之间,证明我国东南沿海主要河口及港湾沉积物中的PAHs污染已经达到中等水平[13~15].
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