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Spatio-temporal patterns of PAHs, PCBs and HCB in sediments of the Western Barents Sea

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Zaborska A., Carroll J., Pazdro K., Pempkowiak J.

Oceanologia

2011

tom 53

nr 4

We examine the composition and levels of organic contaminants (PAHs, PCB, HCB) in four sediment cores collected from the Barents Sea. We assess the influence of temporal variations in contaminant supplies and post-depositional reworking on contaminant distribution. Anthropogenic levels of P12PAH reached 95 ng g−1, higher inventories dominated by BKF were observed at southern stations, while northern stations exhibited lower inventories with PHE as the dominant compound. The PCB composition was similar at all stations dominated by CB101, 138 and 153. P7PCB concentrations were higher at northern stations. The observed composition and spatio-temporal pattern of organic contaminants is in accordance with long-range transport supplies.

Ograniczanie wyników

1 Oceanologia

1 Carroll J.

1 Pazdro K.

1 Pempkowiak J.

1 Zaborska A.

1 2011

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Spatio-temporal patterns of PAHs, PCBs and HCB in sediments of the Western Barents Sea