Journal of Volcanology and Seismology

, Volume 1, Issue 6, pp 397–404 | Cite as

On the effects of air pressure variations on radon exhalation into the atmosphere

  • P. P. Firstov
  • E. A. Ponomarev
  • N. V. Cherneva
  • A. V. Buzevich
  • O. P. Malysheva


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.


Porous Medium Ground Surface Pressure Variation Radon Concentration Loose Deposit 
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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • P. P. Firstov
    • 2
  • E. A. Ponomarev
    • 3
  • N. V. Cherneva
    • 1
  • A. V. Buzevich
    • 2
  • O. P. Malysheva
    • 2
  1. 1.Institute of Space Physics Research and Radio Wave Propagation, Far East DivisionRussian Academy of SciencesKamchatka Oblast’Russia
  2. 2.Institute of Volcanology and Seismology, Far East DivisionRussian Academy of SciencesPetropavlovsk-KamchatskiiRussia
  3. 3.Institute of Solar-Terrestrial Physics, Siberian DivisionRussian Academy of SciencesIrkutskRussia

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