engleski

Radon concentration measurements on Mt.Velebit and Mt.Žumberak (Croatia)

Integrated measurements of radon concentrations in pits and caves on Mt. Velebit and Žumberak region (Croatia) were performed by means of passive track etching method with two LR-115 type II detectors (Kodak-Pathé, France). On Mt. Velebit the highest radon concentration of 1.6 kBq/m3 has been recorded in Velebita pit at the depth of 800 m while on Mt. Žumberak the highest value of 21.8 kBq/m3 was measured in Dolača cave 250 m from the entrance in summer time. There is a significant difference in radon concentrations between those two regions that can partially be attributed to different geomophological, hydrological and microclimatic characteristics.

radon concentration ; caves ; pits ; Mt.Velebit ; Mt.Žumberak

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