Methods of Calculating the γ-Radiation Absorbed Dose Rate in Case of Radioactive Contamination of Meadow Biogeocenoses

The absorbed dose rate of external γ-radiation from two sources of radiation – surface soil layer and subsurface phytomass of plants in stand grass – is calculated by different methods. The calculation of the absorbed dose rate based on integration of the dose attenuation function of a point source...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2020-06, Vol.128 (2), p.109-114
Main Authors: Perevolotskaya, T. V., Perevolotskii, A. N., Kurachenko, Yu. A.
Format: Article
Language:English
Subjects:
Hadrons
Heavy Ions
Nuclear Chemistry
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
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Summary:The absorbed dose rate of external γ-radiation from two sources of radiation – surface soil layer and subsurface phytomass of plants in stand grass – is calculated by different methods. The calculation of the absorbed dose rate based on integration of the dose attenuation function of a point source taking into account the dose accumulation factor was compared with the results of a Monte Carlo solution of the radiation transfer equation (MCNP5 code system). The obtained results show that the absorbed dose rate of external γ-radiation in the air-plant medium can be calculated by integrating the dose attenuation function of a point source with variable radionuclide activity and biometric parameters of the plants.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-020-00658-8