Table 3.
List of concentration and fluxes of soil radon gas from different sources globally.
| No. | Location/Emission bodies | Radon concentration kBq m−3 | Radon flux mBq m−2 s−1 | References |
|---|---|---|---|---|
| 1 | China/Maqu fault | 3.12~15.41 | — | Zhao et al.54 |
| 2 | Pyrenees/Amer fault | 0.40~53.70 | — | Zarroca et al.55 |
| 3 | Italy/Timpe fault system | 13.95~15.94 | — | Vizzini and Brai56 |
| 4 | Italy/Seismic rupture of the 1980, MS 6.9 Irpinia earthquake | 22.00~106.00 | — | Ciotoli et al.7 |
| 5 | China/Seismic rupture of the 2008, Wenchuan MS 8.0 earthquake | 0.04~106.64 | 45.90~1976.90 | Zhou et al.26 |
| 6 | Taiwan/Six major active faults in northern Taiwan | 6.60~32.20 | — | Fu et al.57 |
| 7 | Pyrenees/Maladeta fault | 2.00~76.00 | — | Moreno et al.6 |
| 8 | China/Sandstone-type uramum deposit in Wenjialiang region | 4.48~47.21 | — | Song et al.58 |
| 9 | China/Sandstone-type uranium deposits in Erlian Basin | 2.34~84.74 | — | Liu et al.59 |
| 10 | Fukushima/A forest where nuclides were released by the accident of Fukushima Daiichi Nuclear Power Plant in March 2011 | 7.50~23.00 | 640.00~2200.00 | Fujiyoshi et al.60 |
| 11 | China/Active fault zones in the capital area | 7.65~64.14 | 21.44~129.74 | This study |
“—”: no data.