长江口海域气溶胶中多环芳烃
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摘要: 本文对1986年1月和8月中法两国在长江口及邻近海域联合调查中所获得的气溶胶试样,进行了多环芳烃的研究.并就多环芳烃季节变化、来源和分布特征等影响因素作了一些探讨.结果表明,海洋上空气溶胶中含有一定量的多环芳烃化合物,它们的含量随着离岸距离的增加而逐渐减少.多环芳烃总量冬季明显高于夏季,它们的组分以低分子易挥发组分菲和萤蒽占优势,未检出苝存在.此外,还比较了有关站位的表层海水、悬浮颗粒和气溶胶中多环芳烃组分之间含量关系.
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