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Persistent toxic substances in remote lake and coastal sediments from Svalbard, Norwegian Arctic: Levels, sources and fluxes
Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, Hong Kong; Key Laboratory of Global Change and Marine-Atmospheric Chemistry, State Oceanic Administration, Xiamen, Fijian, China; Third Institute of Oceanography, State Oceanic Administration, Xiamen, Fujian, China.
Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, Hong Kong;Croucher Institute for Environmental Sciences, Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong SAR, Hong Kong.
Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, Hong Kong.
Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, Hong Kong.
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2009 (Engelska)Ingår i: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 157, nr 4, s. 1342-1351Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

Surface sediments from remote lakes and coastal areas from Ny-Ålesund, Svalbard, Norwegian Arctic were analyzed for polycyclic aromatic hydrocarbons (PAHs), polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs). Relatively high levels of PAHs were encountered from several lakes from Ny-Ålesund, which were within the range of levels reported for European high mountain lakes and some urban/industrialized areas in the world, pointing to the role of remote Arctic lakes as potential reservoir of semi-volatile organic compounds. Specific patterns of PBDEs were observed, showing higher concentrations of lower brominated compounds such as BDE-7, 17 and 28. Estimated surface sediment fluxes of PAHs in Ny-Ålesund remote lakes were similar to those observed for some European high mountain lakes. The current PAH levels in sediments from three lakes exceeded Canadian sediment quality guidelines, suggesting the presence of possible risks for aquatic organisms and the need for further studies.

Ort, förlag, år, upplaga, sidor
Elsevier, 2009. Vol. 157, nr 4, s. 1342-1351
Nyckelord [en]
Accumulation patterns; Fluxes; PAHs; PBDEs; Remote lake sediments
Nationell ämneskategori
Miljövetenskap
Forskningsämne
Miljövetenskap
Identifikatorer
URN: urn:nbn:se:oru:diva-49993DOI: 10.1016/j.envpol.2008.11.030ISI: 000264782700038PubMedID: 19135764Scopus ID: 2-s2.0-60949113087OAI: oai:DiVA.org:oru-49993DiVA, id: diva2:950410
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Funding Agencies:

Scientific Research Foundation of Third Institute of Oceanography, SCA TIO2007004

Polar Strategy Foundation 20070211

TIOSOA Foundation 06004

SCA Youth Foundation 2008605

Hong Kong: the Hong Kong Research Grants Council CityU 1401/05M

Area of Excellence Scheme

Tillgänglig från: 2016-07-29 Skapad: 2016-04-28 Senast uppdaterad: 2017-11-28Bibliografiskt granskad

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Yeung, Leo W.Lam, James C. W.Lam, Paul K. S.

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