Long-term measurements of the concentrations of halocarbons in an urban area of Krakow, Poland

被引：5
作者：
Lasa, J [1 ]
Sliwka, I [1 ]
机构：
[1] Inst Nucl Phys, PL-31314 Krakow, Poland
来源：
APPLIED ENERGY | 2003年 / 75卷 / 3-4期
关键词：
ozone depletion; radiatively-active gases; CFCs; monitoring in an urban area; TRENDS; GASES;
D O I：
10.1016/S0306-2619(03)00028-X
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The results of the measurements of the concentrations of freons (F-11 and F-113), chloroform (CHCl3), trichloroethane (CH3CCl3) and carbon tetrachloride (CCl4) in air are presented. The data concern concentration measurements that have been conducted in Krakow since half way through 1997 to the end of 1999. The mean monthly values of these concentrations have been compared with the data from Mace Head, the station situated at a similar longitude as Krakow. It has been concluded that, in the observed period of time, the concentrations of the pollutants in Krakow are higher than in Mace Head. The mean monthly concentrations of F-11 and CCl4 decrease in Krakow faster than in Mace Head (2.5 and 3.3 times, respectively). The concentrations of CHCl3 and CH3CCl3 decrease at both locations, but the change is greater in Krakow. In Krakow, the observed increase of F-113 is 0.13 ppt/month and has an opposite trend than in the same period at Mace Head. (C) 2003 Elsevier Science Ltd. All rights reserved.
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收藏
页码：155 / 163
页数：9
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