Abstract
In this paper an overview of data collected during monitoring of lead content in atmospheric precipitation on GAW/EMEP (Global Atmosphere Watch/European Monitoring and Evaluation Programme) station ?Kamenicki Vis?, Serbia from 2000 to 2010 is given. Annual arithmetic mean concentrations, weighted arithmetic mean concentrations, and median of week samples are presented. Obtained data was compared with results of analysis of atmospheric precipitation collected on experimental EMEP station ?Zeleno brdo?, Serbia and discussed in scope of European average levels of lead content in precipitation and air. Significant increase of average annual lead content in precipitation was observed in 2003 and 2007. Observed peaks can not be seen on average European trends thus lead to conclusion that recorded increases are characteristic for local region. In order to further discuss nature and direction of possible sources of detected lead pollution short analysis of lead emission data was performed. An effort was made to gather data from the counties that lay in directions from which dominant winds blow as well as for Serbia. For this purpose total national emissions from LRTAP (Long-range transboudary air pollution) Convention emission inventory report and EMEP emission inventory were used as well as data published by relevant national authorities. According to these emission levels, majority of surrounding countries couldn?t have contributed much to the recorded increases of lead content in precipitation. However, several possible sources were revealed. In all studied countries emission levels steadily dropped during the analyzed period, whereas only for Serbia different trend was observed. Presented data leads to conclusion that recorded increase of lead content in precipitation in 2003 probably originates from trans-boundary contributions, while increases in 2007 and onwards may come from Serbia?s own emissions.
Highlights
Dvodimenzionalne mape trajektorija unazad za stanicu „Kamenički vis“ [24]; a) 2007, b) 2008, c) 2009 i d) 2010. godina
The presented data leads to the conclusion that the recorded increase of lead content in precipitation in 2003 probably originates from trans-boundary contributions, while increases in 2007 and onwards may come from Serbia’s own emissions
Summary
Proučavanjem i praćenjem zagađenosti atmosferskih padavina u velikoj meri se može određivati i pratiti stepen zagađenosti atmosfere. U našoj zemlji uzorkovanje atmosferskih padavina s ciljem praćenja depozicije teških metala i njihovog prenosa na velike daljine vrši se na GAW/EMEP stanici „Kamenički vis“. Kako se stanica ne nalazi u ruralnoj oblasti, treba imati na umu da dobijeni rezultati u određenoj meri mogu biti pod uticajem izvora u neposrednoj okolini, ali donekle pružaju uvid u zagađenost padavina u našoj zemlji. Kako se emisija olova iz antropogenih izvora može povezati sa koncentracijom olova u vazduhu, a u određenoj meri i sa koncentracijom olova u atmosferskim padavinama [7], korisno je analizirati i rezultate praćenja koncentracije olova u vazduhu i emisije olova u zemljama u okruženju u datom periodu
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