期刊
ENVIRONMENTAL POLLUTION
卷 139, 期 3, 页码 461-468出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2005.06.002
关键词
black carbon; polycyclic aromatic hydrocarbons; spheroidal carbonaceous particles; Lacustrine sediments; Alps
The historical record of the input of pyrolysis-derived pollutants via the atmosphere, i.e. black carbon (BC), polycyclic aromatic hydrocarbons (PAH) and spheroidal carbonaceous particles (SCP) was measured in the sediments or three remote alpine lakes situated in the Julian Alps, northwest Slovenia. Parallel sedimentary trends for BC, PAH and SCP were observed across the Julian Alps and relationships among these contaminants are discussed. Inputs Of these pyrolytic-contaminants to sediments of remote lakes started to rise at the end of the 19th century, while their peak inputs were observed in the mid-20th century, amounting Lip to 6.0 gm(-2) yr(-1) for BC, 5200 X 10(4) m(-2) yr(-1) for SCP and 2900 mu g m(-2) yr(-1) for PAH. In the last two to three decades, inputs decreased substantially, by a factor of Lip to 3 for BC, 7 for SCP and at least 3 for PAH. (c) 2005 Elsevier Ltd. All rights reserved.
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