On the question of long-term dynamics of the external dose rate gamma-radiation in forest biocenosis

«Radiation and Risk», 2012, vol. 21, no. 4, pp.61-65


Perevolotsky A.N. – Associate Professor, C. Sc., Agr., Educational Establishment "Francisk Skorina Gomel State University", Gomel. Contacts: 104 Sovetskaya str., Gomel, Belarus, 246019. Тел.: 8-10-375-232-60-75-72; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. .


This article gives an analysis of changes in the external dose gama-radiation in forest plantations of the Republic of Belarus with different partial contribution of the various gama-emitting radionuclides. The long-term dynamic, of the external dose gama-radiation in the range of the groups of objects, is determined by the partial contribution of radionuclides with different half-lifes, and approximated by a two-component exponential dependence. The author distinguishes two periods in the dynamics of the dose rate. During the first 5-7 years of external dose gama-radiation were being decreased more rapidly, and since the mid of 90's during half-time external dose gama-radiation is amounted about 20 years.

Key words
Dose, radionuclides, gamma-irradiation.


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