Prasad, B. S. N. and Nagaraja, K. and Chandrashekara, M. S. and Paramesh, L. and Madhava, M. S. (2005) Diurnal and seasonal variations of radioactivity and electrical conductivity near the surface for a continental location Mysore, India. Atmospheric Research, 76 (1). 65 - 77. ISSN 0169-8095
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Simultaneous measurements of the activity concentrations of radon and its progeny, and conductivity of both polarities i.e., positive and negative conductivities, were made at a height of 1 m above the ground at Mysore (12°N, 76°E, 767 m above mean sea level), India. Diurnal and seasonal variations of activities of radon and its progeny show their peak values in the early morning hours throughout the year. Observations show an increase in the concentration of radon and its progeny during nighttime compared to the daytime values, and are higher in winter than in other seasons. The electrical conductivity of the atmosphere that depends on the ionization rate also exhibits similar trends. These results are discussed in terms of ionization rate due to radioactivity and the influence of meteorological parameters on radioactivity. The results also show that the concentrations of radon, its progeny, and the electrical conductivity of both polarities exhibit a positive correlation with the relative humidity and are negatively correlated with the temperature of the atmosphere.
| Item Type: | Article |
|---|---|
| Additional Information: | Atmospheric Electricity |
| Uncontrolled Keywords: | Radioactivity, Radon, Electrical conductivity, Diurnal/Seasonal variations, Earth's atmosphere, India |
| Subjects: | B Life Science > Environmental Science |
| Divisions: | Department of > Environmental Science |
| Depositing User: | Manjula P Library Assistant |
| Date Deposited: | 05 Sep 2019 09:34 |
| Last Modified: | 05 Sep 2019 09:34 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/7638 |
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