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天津大沽排污河河口沉积物多溴联苯醚、有机氯农药和重金属的污染趋势 被引量:19

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摘要 对天津大沽排污河河口两个沉积物泥芯中的多溴联苯醚(PBDEs)、有机氯农药(OCPs)和重金属的含量进行了分析测定,并对这三类典型污染物在该地区近年的污染趋势进行了研究.结果表明,PBDEs的含量有逐步增加的趋势,有机氯的含量分布显示在该地区近年仍然有新的源输入.在过去的一段时间内,重金属没有明显的污染变化趋势.两个泥芯的对比表明,海水的冲刷稀释作用对这三类污染物在底泥中的迁移行为的影响不同.
出处 《科学通报》 EI CAS CSCD 北大核心 2007年第3期277-282,共6页 Chinese Science Bulletin
基金 国家重点基础研究发展计划资助项目(批准号:2003CB415001) 中国科学院创新项目(批准号:KZCX3-SW-431)
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参考文献15

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