Vol. 18, issue 08, article # 7
pdf Belan B. D., Ivlev G. A., Marinaite I. I., Rasskazchikova T. M., Simonenkov D. V., Fofonov A. V. Investigation of chemical composition of atmospheric aerosol in Siberian towns. Part 1. Results of investigation of the near-surface aerosol in towns of the Irkutsk industrial region. // Atmospheric and oceanic optics. 2005. V. 18. No. 08. P. 600-606.Copy the reference to clipboard
Abstract:
In February 2004, air pollution fields of East-Siberian towns, situated between Irkutsk and Tomsk, were studied using AKV-2 mobile station, designed at the Institute of Atmospheric Optics. Twenty two samples were collected and then used to follow the behavior of the inorganic component (total mass concentration of elements and ions) of the near-ground aerosol in nine towns of the region under study. The scatter in the concentration of the inorganic fraction turned to be large: from 22 μg/msup>3 in Kansk suburbs to 0.5-0.6 mg/msup>3 in the Usol'e-Sibirskoe industrial zone. In some cases, the concentration varied by an order of magnitude within the same town (Achinsk, Irkutsk). The synoptic situation at the sampling sites during the experiment has been analyzed. For towns of the Irkutsk industrial region (Irkutsk, Angarsk, Usol'e-Sibirskoe), the detailed aerosol-chemical matrix is presented, which includes both the inorganic composition and the contents of polycyclic aromatic hydrocarbons (PAHs) in public green spaces and industrial zones of these towns. The significant inhomogeneity of the inorganic component, in particular, within the towns of the same industrial zone, is caused, on the one hand, by the composition of emissions from local sources and by the prehistory of the air mass and, on the other hand, by the screening effect of the local circulation. The level of PAH concentrations, as well as their percentage more depend on the aerosol sampling site and its closeness to pollution sources comparative to the inorganic composition. Therefore, these components, being of definitely anthropogenic origin, can serve as tracers in the transport of aerosol between different town districts.