Laboratory study on the relationship between the vertical distribution of radon concentration in soil and the exhalation rate of radon from the soil surface
Jiulin Wu, Ruomei Xie, Haibo Yi, Tao Hu, Jiale Sun, Zhipeng Liu, Huiying Li, Shuaibin liu, Shuai Yuan, Yanliang Tan
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Abstract
In this paper, One-dimensional diffusion of radon in the natural environment was used to simulate by a simple device. According to experimental results, combined with Fick’s law, it can be fitted that the effective diffusion coefficient De of radon in the soil in this experiment is 1.8 × 10–6 ± 6.6 × 10–7 m2s−1, the soil radon equilibrium concentration is 25.1 ± 2.4 kBq/m3, the radon exhalation rate on the soil surface is 47 ± 17 mBqm−2 s−1. The radon exhalation rate of soil surface was measured twice by an accumulation chamber, the measured results are similar to the calculated results.
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An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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