The elemental composition of near-surface aerosol was determined in Kislovodsk city and on Shatzhatmaz mountain plateau (North Caucasus) in 2010-2017. The accumulation coefficients of chemical elements in components of geochemical high-mountain landscape (surface aerosol, soil) show the increased concentrations of lithogenic elements typical for this region (Al, Na, Mg, Ka, Ca, Fe). In its turn, the technogenic elements (phosphorus, sulfur, heavy metals) are also available both in aerosols, and in soils at both observation points. We analyze the impacts of local anthropogenic sources and pollution transport with air masses from neighboring regions.
The results on elemental composition of the surface aerosols in Moscow region were studied from the data of the integrated autumn experiment. Elemental composition of aerosol particles in the atmosphere of Moscow сity and in the suburb in the fall 2019 under unusual weather conditions are presented. The average daily mass concentration and fractional composition are compared with synoptic and meteorological factors, as well as with local aerosol sources. Meteorological conditions and local sources play great roles in forming aerosol elemental composition variability and its mass concentration.
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