Air–sea gas exchange of HCHs and PCBs and enantiomers of α-HCH in the Kattegat Sea region
2004 (English)In: Environmental Pollution: Volume 128, Issues 1-2, March 2004, Pages 73-83, ISSN 0269-7491, Vol. 128, no 1-2, 73-83 p.Article in journal (Refereed) Published
Concentrations and air–water gas exchange of polychlorinated biphenyls (PCBs) and hexachlorocyclohexanes (HCHs) were determined in nine paired air and water samples. The samples were collected monthly in the Kattegat Sea between December 1998 and November 1999. Average fugacity and flux values indicated that PCBs were oversaturated in the water, while HCHs were net deposited. Variations were large over the year, especially during spring and summer. Air parcel back trajectories suggested that air concentrations over the Kattegat Sea are largely dependent of air mass origin. Seasonal trends were detected for airborne HCHs and for PCBs in water. The air and water enantiomeric compositions of α-HCH indicated that a larger portion of α-HCH in air originated from the underlying water during summer than during winter.
Air–water exchange of PCBs and HCHs is studied in the Kattegat Sea and shows to vary seasonally.
Place, publisher, year, edition, pages
2004. Vol. 128, no 1-2, 73-83 p.
HCHs, PCBs, Gas exchange, Kattegat Sea, Enantiomer fraction
IdentifiersURN: urn:nbn:se:umu:diva-14198DOI: doi:10.1016/j.envpol.2003.08.022OAI: oai:DiVA.org:umu-14198DiVA: diva2:153869