Inderscience Publishers

Modelling surface pollutant concentrations in the city of Zurich

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First results of a dispersion modelling study in the city of Zurich are presented. Surface pollutant concentrations (yearly averages) at several monitoring stations were modelled using the Danish OML-Multi operational model and compared with observations. For this purpose a detailed SO2 and NOx emission inventory for the year 1990 was constructed. The results show an average overestimation of the observed NOx concentrations of about 35% and an average overestimation of the observed SO2 concentrations of almost 50% at 24 sites distributed all over the area of investigation.

Keywords: atmospheric dispersion modelling, operational dispersion model, sulphur dioxide, nitrogen oxides, emission inventory, urban air pollution, environmental impact assessment, Switzerland, modelling, air pollution, environmental pollution

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