Title Temporal and spatial changes of radon concentration in borehole water (Little Carpathians Mts., Slovakia)
Author Smetanova, I.; Holy, K.; Mullerova, M.; Polaskova, A.; Tunyi, I.
Author Affil Smetanova, I., Slovak Academy of Sciences, Geophysical Institute, Bratislava, Slovak Republic. Other: Comenius University, Slovak Republic
Source Natural Hazards and Earth System Sciences (NHESS), 10(7), p.1373-1377, . Publisher: Copernicus GmbH on behalf of the European Geophysical Society, Katlenburg- Lindau, Germany. ISSN: 1561- 8633
Publication Date 2010
Notes In English. Part of special issue no. 108, Radon, health and natural hazards, edited by Gillmore, G., et al., http://www.nat-hazards-earth-syst- sci.net/special_issue108.html; accessed in June, 2011. 11 refs. GeoRef Acc. No: 310429
Index Terms precipitation (meteorology); boreholes; ground water; hydrology; isotopes; radioactive isotopes; snowmelt; solubility; Slovakia--Bratislava; Carpathians--Inner Slovakian; aquifers; atmospheric precipitation; Bratislava Slovakia; Carpathians; Central Europe; concentration; decision-making; environmental analysis; Europe; granodiorites; igneous rocks; infiltration; Inner Slovakian Carpathians; Lower Triassic; Mesozoic; metamorphic rocks; Modra Massif; noble gases; plutonic rocks; potability; quartzites; radon; rainfall; risk assessment; Rn-222; seasonal variations; Slovakia; Slovakian Carpathians; solution; spatial distribution; temporal distribution; Triassic; water quality
Abstract The 222Rn activity concentration in ground water from four boreholes was investigated from January 2006 to June 2008. The boreholes are situated in the region of the Astronomical and Geophysical Observatory in Modra-Piesok (Little Carpathians Mts., 40 km NW from Bratislava, Slovakia). Three boreholes have been drilled in Lower Triassic quartzite. Another borehole has been drilled in granodiorite of the Modra massif in which the quartzite is folded. Temporal and spatial differences in radon concentration were observed. Significant short-term variations were noticed in all boreholes. Precipitation caused the changes of water level and strongly affected the values of 222Rn activity concentration in less deep boreholes. The measured activities in boreholes ranged approximately over 1-240 kBq/m3.
URL http://www.nat-hazards-earth-syst-sci.net/10/1373/2010/nhess-10-1373-2010.pdf
Publication Type journal article
Record ID 65007168