engleski

The influence of weather types on suspended particle concentrations

The influence of weather types on concentrations of airborne particle fractions PM10 and PM2.5 is presented. Samples were collected on Whatman EPM 2000 glassfiber filters, 47 mm in diameter, at the measuring site located in Northern, residential part of Zagreb during the period 1 August 1999 - 31 July 2002. For this purpose weather type classification by Poje (1965) is used. The groupation of weather types in six groups (E. Lončar and V. Vučetić, to be published) shows significant agreement with particle concentrations. Weather types characterised with a high pressure, low winds and stable, long-lasting temperature inversions are related to higher particle concentrations. On the other hand, lower concentrations are accompanied with the strong winds and humid and cold air advection during the summer.

PM 10; PM 2.5; Weather types; Analysis of Variance

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