National Repository of Grey Literature 7 records found  Search took 0.00 seconds. 
Pollutant concentrtion in fog-water at Kopisty (1999 – 2004)
Fišák, Jaroslav ; Chaloupecký, Pavel ; Fottová, D.
In this contribution, results of our studies devoted to analyses of fog water samples collected at the meteorological observatory over the period of 1999 - 2004 are summarized. The study deals with the parameters: conductivity, acidity and following selected ions: NH4+, Na+, Ca2+, Mg2+, K+, F-, Cl-, NO3- and SO42-. Overall, the total concentration of selected ions was remarkably decreasing during the period 2000 - 2004. Specifically, we found out an increase in the cation fraction for NH4+ and Ca2+, and a decrease in the anion NO3- fraction in the mean annual sample.
Compariso of computed and measured LWC values
Fišák, Jaroslav ; Weignerová, Veronika ; Mattanen, J.
The field measurement was used to verify a relationship between liquid water content (LWC) and visibility (VIS) in fog. We tested an applicability of this relationship in the simple fog model, and an applicability for the calculation of pollutants deposition from fog.
Koncentrace polutantů v mlžné vodě v závislosti na proudění vzduchu v hladině 850 hPa
Fišák, Jaroslav ; Řezáčová, Daniela ; Fottová, D. ; Potužníková, Kateřina
The negative impact of pollutant concentration in fog water on the environment and consequently on the health of population was proved by numerous studies. Recently, the investigation has been focused on the pollutant concentration in fog water from several points of view. In this paper we briefly summarizethe results of clustering the fog water samples according to the enrichment factor and establishing the link of clusters and the air flow at 850 hPa level

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