期刊
JOURNAL OF ENVIRONMENTAL MONITORING
卷 12, 期 5, 页码 1141-1152出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b918998j
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资金
- Villum Kann Rasmussen Foundation
- Danish Expedition Foundation
During the Danish Galathea 3 expedition, bivalve samples were collected at the Faroe Islands, Greenland, Ghana, South Africa, Australia, Solomon Islands, New Zealand, Chile, US Virgin Islands, Boston, Newfoundland and Shetland Islands and analysed for organochlorines and PAHs. Concentration differences of up to three orders of magnitude were observed, with the highest concentrations at Boston harbour (Sigma PCB 338 ng g(-1) dw, Sigma PAH 5966 ng g(-1) dw) and the Sydney estuary (Sigma PCB 282 ng g(-1) dw, Sigma PAH 1453 ng g(-1) dw). Local impacts were also found for the Greenland capital Nuuk in terms of PCB and PAH levels, while other Greenland samples came closest to representing PAH background levels. Several locations had undetectable organochlorine levels, including Hobart and Chile, which had the lowest Sigma PAH concentrations (<200 ng g(-1) dw). It was possible to group the stations according to their pyrogenic/petrogenic influence using Principal Component Analyses, and indications of petroleum sources were found at Nuuk.
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