Variations in the concentrations of heavy metals in dust aerosol in the southern and central Tajikistan
Sh.Kh. Khalifaeva, S.F. Abdullaev, V.A. Maslov, M.N. Rakhmatov
S.U. Umarov Physical-Technical Institute of Academy of Sciences of Rebublic of Tajikistan, S.U. Umarov Physical-Technical Institute of Academy of Sciences of Rebublic of Tajikistan Dushanbe, Tajikistan
Keywords: elemental composition, heavy metal, correlation analysis, reverse trajectore, atmospheric aerosol, dust storm, statistical analysis, interannual variation
Abstract
Statistical parameters are presented for the concentrations of heavy metals of the first, second, and fourth hazard classes in dust samples. The correlation analysis of the concentrations of some heavy metals is carried out. The interannual variations in the concentrations of Co, As, Ni, Pb, Zn, Cu, Fe2O3, V, MnO, Cr, TiO2, and Sr in samples of atmospheric aerosol in south-central part of Tajikistan are studied. The air mass motion trajectories are constructed according to the HYSPLIT model, which correspond to transport of the pollutants.
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