3 years ago

Distribution of radioactive isotopes in the mountain and piedmont regions of Central Tajikistan Varzob river valley

D. A. Abdushukurov, D. Abdusamadzoda, A. A. Djuraev, O. G. Duliu, M. V. Frontasyeva

Abstract

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 deposition process of the airborne dust on the southern slope of Gissar Mountains. The influence of the Odjuk pegmatite outcrop on the natural radioactivity along the Varzob valley was evidenced too. At the same time, no traces of radioactive contamination from local anthropogenic sources were found.

Publisher URL: https://link.springer.com/article/10.1007/s10967-018-6206-5

DOI: 10.1007/s10967-018-6206-5

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