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PERSISTENT CHLORDANE CONCENTRATIONS IN LONG ISLAND SOUND SEDIMENT:IMPLICATIONS FROM CHLORDANE,~(210)Pb AND ~(137)Cs DEPTH PROFILES

机译：长岛声沉积物的持久性氯乙烯浓度：来自氯丹的含义，〜（210）Pb和〜（137）CS深度剖面

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The fate of chlordane in sediments may be influenced by microbial processes such as biodegradation and physical processes such as sedimentation and sediment mixing.On the one hand,in depositional environments,highly contaminated sediments may be buried by increasingly clean sediments over time,leading to a decline of contaminant concentration in surficial sediments(i.e.,natural capping).On the other hand,sediment mixing(caused by bioturbation,bottom currents,etc.)may redistribute the contaminant deposited earlier(deeper in sediment bed)to the sediment surface,leading to persistent concentrations in surficial sediments.

机译：沉积物中氯乙烷的命运可能受到微生物过程的影响，例如生物降解和物理过程，如沉降和沉积物混合。在沉积环境中，高度污染的沉积物可能会随着时间的推移越来越清洁的沉积物而掩埋。表格沉积物中污染物浓度（即天然封端）的衰落。另一方面，沉积物混合（由生物扰动，底部电流等引起的）可以重新分配早期沉积的污染物（沉积物床）到沉积物表面，引领表格沉积物的持续浓度。

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《American Chemical Society National Meeting》|2007年||共8页
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Lijia Yang; Xiqing Li; John Crusius;
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中图分类环境化学;
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4. PERSISTENT CHLORDANE CONCENTRATIONS IN LONG ISLAND SOUND SEDIMENT:IMPLICATIONS FROM CHLORDANE,~(210)Pb AND ~(137)Cs DEPTH PROFILES [C] . Lijia Yang, Xiqing Li, John Crusius American Chemical Society National Meeting . 2007

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PERSISTENT CHLORDANE CONCENTRATIONS IN LONG ISLAND SOUND SEDIMENT:IMPLICATIONS FROM CHLORDANE,~(210)Pb AND ~(137)Cs DEPTH PROFILES

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