Trends in background levels of persistent organic pollutants at Kosetice observatory, Czech Republic.1) Part I. Ambient air and wet deposition 1996-2005
Jazyk angličtina Země Velká Británie, Anglie Médium print-electronic
Typ dokumentu časopisecké články, práce podpořená grantem
PubMed
17554427
DOI
10.1039/b700750g
Knihovny.cz E-zdroje
- MeSH
- atmosféra chemie MeSH
- časové faktory MeSH
- déšť chemie MeSH
- látky znečišťující vzduch analýza chemie MeSH
- monitorování životního prostředí * MeSH
- organické látky analýza chemie MeSH
- znečištění ovzduší analýza MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Geografické názvy
- Česká republika MeSH
- Názvy látek
- látky znečišťující vzduch MeSH
- organické látky MeSH
Kosetice observatory is a facility of the Czech Hydrometeorological Institute, which is a part of the European Monitoring and Evaluation Programme (EMEP) network. Persistent organic pollutants (POPs: PCBs, DDTs, HCHs, PAHs) have been monitored in all environmental matrices using the integrated monitoring approach. Generally, the atmospheric levels of POPs in this Central European background station (mean values: 0.115 ng m(-3) for SigmaPCBs, 0.040 ng m(-3) for SigmaDDTs, 0.077 ng m(-3) for SigmaHCHs, and 17 ng m(-3) for SigmaPAHs) are significantly higher than those in other EMEP stations localized mostly in Northern and Western Europe. Long-term trends of POP concentrations in the ambient air and wet deposition are presented in this article and they show a slow decline in the last decade for most of the investigated compounds. Temporally increased levels of certain chemicals were associated with some local climatic (floods) or socio-economic (fuel prices) factors.
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