Spatio-temporal patterns of PAHs, PCBs and HCB in sediments of the western Barents Sea | Zendy

Agata Zaborska | Zendy; JoLynn Carroll | Zendy; Ksenia Pazdro | Zendy; Janusz Pempkowiak | Zendy

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

Author(s) -

Agata Zaborska,

JoLynn Carroll,

Ksenia Pazdro,

Janusz Pempkowiak

Publication year - 2011

Publication title -

oceanologia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.741

H-Index - 42

eISSN - 2300-7370

pISSN - 0078-3234

DOI - 10.5697/oc.53-4.1005

Subject(s) - sedimentary depositional environment , sediment , environmental science , environmental chemistry , contamination , composition (language) , total organic carbon , spatial distribution , range (aeronautics) , oceanography , geology , chemistry , ecology , geomorphology , linguistics , philosophy , remote sensing , materials science , structural basin , composite material , biology

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 ∑ 12PAH reached 95ng 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. ∑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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