Journal
OCEANOLOGIA
Volume 53, Issue 4, Pages 1005-1026Publisher
POLISH ACAD SCIENCES INST OCEANOLOGY
DOI: 10.5697/oc.53-4.1005
Keywords
Arctic; Organic contaminants; POPs; Sediment accumulation
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Funding
- Norwegian Research Council [155936/700]
- Polish State Committee for Scientific Research, Institute of Oceanology and Akvaplan-niva [2PO4E 007 28]
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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 Sigma 1.2PAH 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 CB 101, 138 and 153. Sigma 7PCB concentrations were higher at northern stations. The observed composition and spatio-temporal pattern of organic contaminants is in accordance with long-range transport supplies.
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