Episodes of extreme rainwater pollution and its relationship with synoptic situation (Wielkopolski National Park,Poland) |
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| Authors: | Leszek Kolendowicz Ewa Bednorz Barbara Walna Iwona Kurzyca |
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| Affiliation: | (1) Department of Climatology, Institute of Physical Geography and Environmental Planning, Faculty of Geographical and Geological Sciences, Adam Mickiewicz University, Dziegielowa 27 Str., 60-680 Poznan, Poland;(2) Jeziory Ecological Station of Adam Mickiewicz University, 62-050 Mosina, P.O. Box 40, Poland;(3) Department of Water and Soil Analysis, Faculty of Chemistry, Adam Mickiewicz University, Drzymaly 24 Str., 60-613 Poznan, Poland; |
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| Abstract: | 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-, NO2-, NO3-, PO43-, SO42- and Na+, NH4+, 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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