当前位置： SCI文献检索 > JOURNAL OF ENVIRONMENTAL RADIOACTIVITY期刊下所有文献 > Atmospheric dispersion of radon around uranium mill tailings of the former Pridneprovsky Chemical Plant in Ukraine.

Atmospheric dispersion of radon around uranium mill tailings of the former Pridneprovsky Chemical Plant in Ukraine.

Abstract：

:Simulations of atmospheric dispersion of radon around the uranium mill tailings of the former Pridneprovsky Chemical Plant (PChP) in Ukraine were carried out with the aid of two atmospheric dispersion models: the Airviro Grid Model and the CALMET/CALPUFF model chain. The available measurement data of radon emission rates taken in the territories and the close vicinity of tailings were used in simulations. The results of simulations were compared to the yearly averaged measurements of concentration data. Both models were able to reasonably reproduce average radon concentration at the Sukhachivske site using averaged measured emission rates as input together with the measured meteorological data. At the same time, both models significantly underestimated concentrations as compared to measurements collected at the PChP industrial site. According to the results of both dispersion models, it was shown that only addition of significant radon emission rate from the whole territory of PChP in addition to emission rates from the tailings could explain the observed concentration measurements. With the aid of the uncertainty analysis, the radon emission rate from the whole territory of PChP was estimated to be between 1.5 and 3.5 Bq·m-2s-1.

journal_name

J Environ Radioact

journal_title

Journal of environmental radioactivity

authors

Kovalets IV,Asker C,Khalchenkov AV,Persson C,Lavrova TV

doi

10.1016/j.jenvrad.2017.03.025

subject

Has Abstract

pub_date

2017-06-01 00:00:00

pages

173-190

eissn

0265-931X

issn

1879-1700

pii

S0265-931X(17)30082-6

journal_volume

172

pub_type

杂志文章

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