Interannual and seasonal variability of the transboundary flow of technogenic pollutants in the Russian Far East.

Abstract

The paper describes studies of the seasonal and interannual variability of the chemical composition of precipitation in the South of the Far East (Primorsky Krai). For the recent 30 years, the acidity and concentrations of sulfates and nitrates in the precipitation gradually increase. A seasonal variability in the mineralization of precipitation is described. To explain the interannual dynamics of the chemical composition of precipitation, data on cyclonic activity in the region are involved. Seasonal variability of transboundary transport of air masses from a potential hazardous man-induced source of atmospheric pollution is estimated.