期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 26, 期 18, 页码 18143-18161出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-019-05045-w
关键词
Admiralty Bay; Arctowski Polish Antarctic Station; Freshwater chemistry; Maritime Antarctica; Organic pollution; Polycyclic aromatic hydrocarbons (PAHs)
资金
- Kazimierz Wielki University in Bydgoszcz [BS2016/5]
- Austrian Academic Exchange Service (OeAD)
- Polish Ministry of Science and Higher Education
Organic contamination in freshwater samples has never been investigated at the western shore of Admiralty Bay. Therefore, the presence of polycyclic aromatic hydrocarbons (PAHs) in five different sites distributed along a shore running from the Arctowski Station to the Baranowski Glacier was studied. Moreover, organic compounds such as n-alkanes, toluene and ethylbenzene were also noted. Increased sigma PAHs in late Austral summer 2016 are the result of long-range atmospheric transport of air masses from South America, confirmed by 10-day backward air mass trajectories analysis. The presence of n-alkanes and other hydrocarbons, as well as the evaluation of PAH indices (e.g. sigma LMW/sigma HMW* >1), shows the use of fuel and indicate local human activity. As a final conclusion, our analysis indicates a mixed origin of PAHs (global and local). The presence of PAHs and other hydrocarbons in the water environment may constitute a potentially negative effect on the Antarctic ecosystem and it should be investigated in detail during further research (//*sigma LMWsum of low molecular weight PAHs (two- and three-ring PAHs); sigma HMWsum of high molecular weight PAHs (four- and five-ring PAHs)//).
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