The results of long-term simultaneous measurements of radon exhalation rate, radon concentrations in soil gas and groundwater in the fault zoneстатья
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Дата последнего поиска статьи во внешних источниках: 30 апреля 2021 г.
Аннотация:Radon exhalation rate from soil surface, as well as radon concentrations in soil gas and ground water are measured in a fault zone at the Mount Beshtau (North Caucasus region).• The strong seasonal variations of radon exhalation and soil gas radon concentration with abnormal high values in summer and extremely low in winter are observed. While the groundwater radon concentrations varied during the year in a relatively small range without seasonal fluctuations.• Clear correlation between radon soil levels and air temperature were revealed.• Seasonal variations of the radon levels in fault zone are caused by the inversion of the direction of convective air flow in the fractures.