Nov 12, 2018 · The Varzob Valley in the Central Tajikistan, due to its proximity to the Gissar mountains range, acts like a funnel for the air mass transported by the southern winds. For a better understanding this local phenomenon, the gross alpha and beta as well as 40K, 137Cs, 232Th and 238U activity concentrations together with the Th/U ratio were studied. The results showed the existence of a .
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