Geologic and climatic controls on the radon emanation coefficient
By: R. R. Schumann and L.C.S. Gundersen
Edited by: Hopke P.K.
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Abstract
Geologic, pedologic, and climatic factors, including radium content, grain size, siting of radon parents within soil grains or on grain coatings, and soil moisture conditions, determine a soil's emanating power and radon transport characteristics. Data from field studies indicate that soils derived from similar parent rocks in different regions have significantly different emanation coefficients due to the effects of climate on these soil characteristics. An important tool for measuring radon source strength (i.e., radium content) is ground-based and aerial gamma radioactivity measurements. Regional correlations between soil radium content, determined by gamma spectrometry, and soil-gas or indoor radon concentrations can be traced to the influence of climatic and geologic factors on intrinsic permeability and radon emanation coefficients. Data on soil radium content, permeability, and moisture content, when combined with data on emanation coefficients, can form a framework for development of quantitative predictive models for radon generation in rocks and soils.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Geologic and climatic controls on the radon emanation coefficient |
| DOI | 10.1016/S0160-4120(96)00144-4 |
| Volume | 22 |
| Issue | SUPPL. 1 |
| Year Published | 1997 |
| Language | English |
| Publisher | Elsevier Science Ltd |
| Publisher location | Oxford, United Kingdom |
| Larger Work Title | Environment International |
| Conference Title | Proceedings of the 1995 6th International Symposium on the Natural Radiation Environment, NRE |
| Conference Location | Montreal, Can |
| Conference Date | 5 June 1995 through 9 June 1995 |
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