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Soil Radon Exhalation Rate as a Function of Rainfall and Soil Suction Pressure

Amin Y.M., and Mahat R.H., (2004) Soil Radon Exhalation Rate as a Function of Rainfall and Soil Suction Pressure. Malaysian Journal of Science, 23 (1). pp. 143-146. ISSN 13943065

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Official URL: http://www.um.edu.my/FS/Index.htm

Affiliations

University of Malaya, Faculty of Science, Dept. of Physics, Applied Radiation Research Laboratory, Kuala Lumpur, Malaysia

Abstract

It was been found that the contents of water in soil played a significant role in the rate of radon exhalation. Soil suction pressure, which is related to water content, is also related to radon exhalation rate. As the amount of rainfall increases, both the rate of radon emanation from soil and the soil suction pressure decreases. Usually, when the water content increases, landslides would occurs. In this paper, we describe our attempt at using radon emanation rate as a way of measuring slope stability.

Item Type:Journal
Keywords:soil radon, suction pressure, slope stability
Subjects:Q Science, Computer Science
ID Code:2028

1. Mahat, R.H. (1992). Soil Radon Dosimeter for wet and humid region. Proc. 5th. Asia Pacific Physics Conference (Aug. 1992), pp. 562-565.

2. Hewson, G.H. (1993). Overview of Occupational radiological hazards in the amang industry of Southeast Asia, SEATARD Bulletin, 14: 7-29.

3. Wattanikorn, K., Ounchanum, P., and Vukjum, B. (1991). Influential factors on background and threshold alpha track densities in soil-gas radon surveys. Proc. Reg. Workshop Sol. State Nucl. Tracks Detectors (SSNTD) and Applications, Hat Yai, Thailand, Inst. Fiz. Malaysia, pp. 7-17

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