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Ambient dose equivalent rates of gamma radiation from natural radionuclides and 137Cs at grasslands and forests in the area of the Belarusian NPP in the pre-commissioning period (2019)

Ramzaev, Valery ; Bernhardsson, Christian LU orcid ; Vodovatov, Aleksandr ; Chipiga, Larisa ; Nekrasov, Vladislav and Dvornik, Alexander (2024) In Radiation Protection Dosimetry 200(5). p.496-503
Abstract

In situ gamma-spectrometric measurements were performed at grasslands (45 plots) and forests (6 plots) in the vicinity of the Belarusian nuclear power plant in September–October 2019. The aim of the study was to evaluate the baseline level of ambient dose equivalent rates of gamma radiation from natural radionuclides and 137Cs in the period preceding the commissioning of the NPP. The study revealed more than a 2-fold variability in values of the total ambient dose equivalent rate: from 29 to 72 nSv/h. This spread can be explained by variability in the content of natural radionuclides in the environment and, accordingly, ambient dose equivalent rate. At forest sites, compared to grassland sites, the values of ambient dose... (More)

In situ gamma-spectrometric measurements were performed at grasslands (45 plots) and forests (6 plots) in the vicinity of the Belarusian nuclear power plant in September–October 2019. The aim of the study was to evaluate the baseline level of ambient dose equivalent rates of gamma radiation from natural radionuclides and 137Cs in the period preceding the commissioning of the NPP. The study revealed more than a 2-fold variability in values of the total ambient dose equivalent rate: from 29 to 72 nSv/h. This spread can be explained by variability in the content of natural radionuclides in the environment and, accordingly, ambient dose equivalent rate. At forest sites, compared to grassland sites, the values of ambient dose equivalent rates of gamma radiation from natural radionuclides were statistically significantly lower. The contribution of gamma radiation from 137Cs to the total ambient dose equivalent rate was insignificant and averaged 3% for grasslands and 6% for forests.

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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Radiation Protection Dosimetry
volume
200
issue
5
pages
8 pages
publisher
Oxford University Press
external identifiers
  • scopus:85189772758
  • pmid:38364798
ISSN
0144-8420
DOI
10.1093/rpd/ncae016
language
English
LU publication?
yes
id
73cb537b-7cc5-4fab-adaa-b3d3fc52a955
date added to LUP
2024-04-24 11:48:52
date last changed
2024-06-19 16:57:04
@article{73cb537b-7cc5-4fab-adaa-b3d3fc52a955,
  abstract     = {{<p>In situ gamma-spectrometric measurements were performed at grasslands (45 plots) and forests (6 plots) in the vicinity of the Belarusian nuclear power plant in September–October 2019. The aim of the study was to evaluate the baseline level of ambient dose equivalent rates of gamma radiation from natural radionuclides and <sup>137</sup>Cs in the period preceding the commissioning of the NPP. The study revealed more than a 2-fold variability in values of the total ambient dose equivalent rate: from 29 to 72 nSv/h. This spread can be explained by variability in the content of natural radionuclides in the environment and, accordingly, ambient dose equivalent rate. At forest sites, compared to grassland sites, the values of ambient dose equivalent rates of gamma radiation from natural radionuclides were statistically significantly lower. The contribution of gamma radiation from <sup>137</sup>Cs to the total ambient dose equivalent rate was insignificant and averaged 3% for grasslands and 6% for forests.</p>}},
  author       = {{Ramzaev, Valery and Bernhardsson, Christian and Vodovatov, Aleksandr and Chipiga, Larisa and Nekrasov, Vladislav and Dvornik, Alexander}},
  issn         = {{0144-8420}},
  language     = {{eng}},
  month        = {{04}},
  number       = {{5}},
  pages        = {{496--503}},
  publisher    = {{Oxford University Press}},
  series       = {{Radiation Protection Dosimetry}},
  title        = {{Ambient dose equivalent rates of gamma radiation from natural radionuclides and <sup>137</sup>Cs at grasslands and forests in the area of the Belarusian NPP in the pre-commissioning period (2019)}},
  url          = {{http://dx.doi.org/10.1093/rpd/ncae016}},
  doi          = {{10.1093/rpd/ncae016}},
  volume       = {{200}},
  year         = {{2024}},
}