Particulate matter episodes

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Particulate matter episodes are longer periods with high concentrations of atmoshperic particulate pollution.

Contents

Wintertime pollution episodes

Photochemical formation of summer smog

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Saharan Dust

The Ukranian dust plume

On 24 March 2007, an extraordinary dust plume was observed over Central Europe. Satellite observations revealed its origins in a dust storm in Southern Ukraine, where large amounts of soil were resuspended from dried-out farmlands. Along the pathway of the plume, maximum particulate matter (PM10) mass concentrations between 200 and 1400 μg/m3 occurred in Slovakia, the Czech Republic, Poland, and Germany.

Figure: The MODIS-Aqua composite image of Southern Ukraine on 23 March 2007, 10:50 UTC reveals the large scale emission of agricultural dust (Birmili et al., 2008).
Figure: Spatio-temporal evolution of PM10 mass concentrations along the dust plume on 24 March 2007 (Birmili et al., 2008).


  • Birmili, W., Schepanski, K., Ansmann, A., Spindler, G., Tegen, I., Wehner, B. et al.: A case of extreme particulate matter concentrations over Central Europe caused by dust emitted over the southern Ukraine, Atmos. Chem. Phys., 8, 997-1016, 2008. Download from ACP
  • Hladil, J., Strnad, L, Šálek, M., Jankovská, V., Šimandl, P. et al.: An anomalous atmospheric dust deposition event over Central Europe, 24 March 2007, and fingerprinting of the SE Ukrainian source, Bulletin of Geosciences, 83, 175-206, 2008.
  • Bessagnet, B., Menut, L., Aymoz, G., Chepfer, H., Vautard, R.: Modeling dust emissions and transport within Europe: the Ukraine March 2007 event, J. Geophys. Res., 113, D15202, 2008.

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