Journal
JOURNAL OF ATMOSPHERIC CHEMISTRY
Volume 68, Issue 2, Pages 89-105Publisher
SPRINGER
DOI: 10.1007/s10874-011-9209-y
Keywords
Atmospheric pollution; Atmospheric circulation; Synoptic situations; Back trajectories
Funding
- Ministry of Science and Higher Education [N 304 021 237]
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Synoptic conditions of extreme rainwater pollution episodes, evidenced by maximum values of parameters measured in the protected area of Wielkopolski National Park (western-central Poland), were analysed in this study. Precipitation samples were tested for the following parameters: pH, electrical conductivity and the concentration of the following elements: F-, Cl-, NO (2) (-) , NO (3) (-) , PO (4) (3-) , SO (4) (2-) and Na+, NH (4) (+) , K+, Mg2+, Ca2+. It was assumed, that in winter, western advection of Atlantic air masses was the most frequent aerosol and pollution transport scenario for the investigated area. In summer the most heavily pollution occur at the intensified meridional flow over the central Europe, indicating advection of cooler air from northern Europe and the North Sea. In most of cases, the weather conditions causing extreme concentration of examined pollutants, were determined by the movement of weather fronts over considerable parts of Poland and by precipitation caused by those fronts.
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