Abstract
Abstract The elemental composition of aerosol particles under regional background conditions is determined by using the PIXE method. The results of a sampling program carried out in 1988 and 1989 are presented. It is shown that sulfur and silicon have the highest concentrations indicating that the aerosol is partly of anthropogenic and partly of soil origin. The origin of particles is further discussed on the basis of enrichment factors and elemental ratios. The concentrations measured are compared to the concentrations calculated by a long-range transport model. Some other results of modeling are also mentioned.
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