Groundwater Radon, Radium and Uranium Concentrations in Regiao de Lagos, Rio de Janeiro State, Brazil

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Title in English	Radon, Radium and Uranium Concentrations in Regiao de Lagos, Rio de Janeiro State, Brazil
Authors	ALMEIDA Rodrigo M.R. LAURIA Dejanira C. FERREIRA Ana C. ŠRÁČEK Ondřej
Year of publication	2004
Type	Article in Periodical
Magazine / Source	Journal of Environmental Radioactivity
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	radionuclides groundwater
Description	There are increased concentrations of radionuclides in groundwater in Regiao de Lagos close to Rio de Janeiro in Brazil. Radium and uranium are present as positively charged species and they are very mobile under low pH conditions. They are adsorbed when pH increases. Another factor, responsible for high radionuclides concentrations is high salinity of groundwater.
Related projects:	Geological Processes and their Environmental Impact - Contact of the Variscides and Alpides