期刊
MARINE POLLUTION BULLETIN
卷 104, 期 1-2, 页码 379-385出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2016.01.016
关键词
Polycyclic aromatic hydrocarbon; Surface sediment; Western Arctic Ocean; Bering Sea
资金
- Fourth Chinese National Arctic Research Expedition [CHINARE-2010]
- Chinese Polar Environment Comprehensive Investigation & Assessment Programs [CHINARE2014-03-02, CHINARE2014-04-03-03]
To analyze the distribution and sources of polycyclic aromatic hydrocarbons (PAHs) and evaluate their potential ecological risks, the concentrations of 16 PAHs were measured in 43 surface sediment samples from the Bering Sea and western Arctic Ocean. Total PAH (tPAH) concentrations ranged from 36.95 to 150.21 ng/g (dry weight). In descending order, the surface sediment tPAH concentrations were as follows: Canada Basin > northern Chukchi Sea > Chukchi Basin > southern Chukchi Sea > Aleutian Basin > Makarov Basin > Bering Sea shelf. The Bering Sea and western Arctic Ocean mainly received PAHs of pyrogenic origin due to pollution caused by the incomplete combustion of fossil fuels. The concentrations of PAHs in the sediments of the study areas did not exceed effects range low (ERL) values. (C) 2016 Elsevier Ltd. All rights reserved.
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