Abstract
Monthly rainwater samples were collected during the summer of 1994 in eight arctic catchments in northern Europe (four in Russia, three in Finland, one in Norway), at different distances and wind directions from the emissions of the Russian nickel ore mining, roasting and smelting industry on the Kola Peninsula. Three stations consisting of five samplers each were placed in open areas in all the catchments. Results show that close to the smelters in Monchegorsk, rainwater is strongly enriched in Ni (633 x), Co, Cu, As, Mo, Al (36 x), V, Cd, Sb, Pb (11 x), Zn, Fe, Sr, Na, S/SO 4 (6 x), Cl, Cr, Se (4 x) and Ag when compared to a Finnish background catchment. Three sources of elements can be differentiated: natural dust, sea spray and anthropogenic (smokestack emissions and dust). Correlation diagrams and element ratios can be used to identify the different industrial processes and even ore feed changes at one smelter.
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