Radon dispersion modeling and dose assessment for uranium mine ventilation shaft exhausts under neutral atmospheric stability

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期刊论文

作者：

Xie, Dong*;Wang, Hanqing;Kearfott, Kimberlee J.;Liu, Zehua;Mo, Shunquan

通讯作者：

Xie, Dong

作者机构：

[Xie, Dong] Cent S Univ, Sch Energy Sci & Engn, Changsha 410083, Hunan, Peoples R China.

[Xie, Dong; Liu, Zehua; Mo, Shunquan] Univ South China, Sch Urban Construct, Hengyang 421001, Peoples R China.

[Wang, Hanqing] Univ Hunan Technol, Sch Civil Engn, Zhuzhou 412007, Peoples R China.

[Kearfott, Kimberlee J.] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA.

通讯机构：

[Xie, Dong] U

Univ South China, Sch Urban Construct, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

222Rn release;Atmospheric dispersion;Atmospheric stability;Dispersion modeling;Effective dose rate;International commission on radiological protections;Occupational exposure;Surface roughness parameters;Mine ventilation;Numerical models;Radiation effects;Radon;Surface roughness;Uranium mines;Atmospheric movements;radon 222;air pollutant;radon;uranium;atmospheric pollution;complex terrain;dispersion;dose-response relationship;mine;numerical model;occupational exposure;public health;radon;resident population;surface roughness;uranium;ventilation;wind velocity;agricultural worker;article;atmospheric dispersion;circadian rhythm;dosimetry;human;mathematical model;neutral atmosphere;occupational exposure;plume;radiation dose;radiation dose distribution;radiation response;radioactive pollution;residential area;seasonal variation;surface property;surface roughness;uranium mine;uranium mine ventilation shaft;wind;agriculture;air conditioning;air pollutant;analysis;atmosphere;environmental exposure;mining;prevention and control;theoretical model;Agriculture;Air Pollutants, Radioactive;Atmosphere;Environmental Exposure;Humans;Mining;Models, Theoretical;Occupational Exposure;Radiation Dosage;Radon;Uranium;Ventilation;Wind

期刊：

Journal of Environmental Radioactivity

ISSN：

0265-931X

年：

2014

卷：

129

页码：

57-62

DOI：

10.1016/j.jenvrad.2013.12.003

基金类别：

The authors acknowledge with thanks the financial support provided by National Natural Science Foundation of China (Grant No. 11105068 ), Postdoctoral Science Foundation of China (Grant No. 2013M542140 ) and Postdoctoral Science Foundation of Central South University (Grant No. 126640 ). We also deeply thank the anonymous reviewers for their thoughtful suggestions that resulted in a much improved revision of this paper.

机构署名：

本校为通讯机构

院系归属：

土木工程学院

摘要：

In the present study, the roles of atmospheric wind profiles in the neutral atmosphere and surface roughness parameters in a complex terrain were examined to determine their impacts on radon (222Rn) dispersion from an actual uranium mine ventilation shaft. Simulations were completed on 222Rn dispersion extending from the shaft to a vulnerable distance, near the location of an occupied farmhouse. The eight dispersion scenarios for the ventilation shaft source included four downwind velocities (0.5, 1.0, 2.0 and 4.0ms-1) and two underlying surfac...

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Radon dispersion modeling and dose assessment for uranium mine ventilation shaft exhausts under neutral atmospheric stability

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