The variations of soil-gas radon with
meteorological parameters have been studied by
many authors (Stranden et al., 1984;
Wattananikorn et al., 1998; Ghosh et al., 2007).
For example, Wattananikorn et al. (1998) reported
that the radon in soil gas measured at 100 cm depth
below the ground surface was not influenced by
meteorological parameters, mainly air temperature
and pressure.