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On the effects of air pressure variations on radon exhalation into the atmosphere |
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| Authors: | P P Firstov E A Ponomarev N V Cherneva A V Buzevich O P Malysheva |
| Institution: | (1) Institute of Space Physics Research and Radio Wave Propagation, Far East Division, Russian Academy of Sciences, village of Paratunka, Kamchatka Oblast’, 684034, Russia;(2) Institute of Volcanology and Seismology, Far East Division, Russian Academy of Sciences, Petropavlovsk-Kamchatskii, 683006, Russia;(3) Institute of Solar-Terrestrial Physics, Siberian Division, Russian Academy of Sciences, Irkutsk, 664033, Russia |
| Abstract: | A model is studied which claims to describe the effects of air pressure variations on the outflow of radon into the atmosphere from loose deposits that are treated as a porous medium having the gas dynamic properties described by Darcy’s law. It is shown that the model results are in satisfactory agreement with the experimental data acquired from a network for monitoring subsoil radon in the Petropavlovsk-Kamchatskii Geodynamic Site in 1997–2006. A technique has been developed for estimating the Darcy coefficient based on radon concentration data in loose deposits at various depths. |
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