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GIS Applied to the Mapping of Land Use, Land Cover and Vulnerability in the Outcrop Zone of the Guarani Aquifer System
(Elsevier B.V., 2015-01-01)
This study presents the vulnerability mapping of Guarani Aquifer System (GAS) in the municipality of Ribeirao Bonito, the central region of the state of Sao Paulo, through the application of Pesticide DRASTIC index assigned ...
Health risk related to radon in a thermal spa utilizing waters from Guarani aquifer
(Wit Press/computational Mechanics Publications, 2007-01-01)
This investigation was carried out within the Parana sedimentary basin, Brazil, involved the sampling of groundwater and air, and was realized with the purpose of evaluating the radioactivity, due to radon gas, in a thermal ...
Water-Rock Interactions in the Bauru Aquifer System - Sao Paulo State, Brazil
(Elsevier B.V., 2017-01-01)
The study focuses on the assessment of mineral saturation indexes using data of physicochemical analysis of groundwater samples from different units of the Bauru Aquifer System, in the State of Sao Paulo, Brazil. The ...
Hypothesis of Groundwater Flow Through Geological Structures in Guarani Aquifer System (GAS) Using Chemical and Isotopic Data
(Elsevier B.V., 2017-01-01)
Guarani Aquifer System (GAS) is one of the most important in South America shared by more than 9 million people living in Argentina, Brazil, Paraguay and Uruguay. Groundwater flow through GAS is controlled by the geological ...
Geo(anthropo)genic factors affecting the radioactivity in groundwaters from Guarani aquifer, Brazil
(2003-12-01)
This investigation was carried out within the Paraná sedimentary basin, involved the sampling of 77 pumped tubular wells, and was realized with the puipose of evaluating the radioactivity in the Brazilian part of Guarani ...
Uranium in groundwaters from Botucatu-Piramboia aquifer, Brazil
(Wit Press/computational Mechanics Publications, 1999-01-01)
Groundwater from 60 pumped tubular wells of the Botucatu-Piramboia aquifer system located at the Parana sedimentary basin in Brazil were chemically analysed with the aim of evaluating if the mechanisms related to the ...
Groundwater quality on a waste disposal area due to sand mining activities in São Paulo state, Brazil
(2011-12-01)
This investigation reports the results of a study realized in an area related to the development of sand mining activities, which belongs to Sibelco Mineração Ltd. The site is located around Analândia municipality, nearly ...
Resistivity piezocone for geo-environmental site characterization: Two case histories from Brazil
(2006-12-01)
This paper presents two case histories from Brazil where geophysical and resistivity piezocone tests were carried out to detect contamination. At the first one, the site investigation program was carried out to detect ...
Some constraints on the modeling using the uranium isotopes U-238 and U-234 for dating groundwaters from Guarany aquifer, South America
(Wit Press, 2000-01-01)
Groundwaters from the Guarany aquifer located at the South American continent and sampled at four wells with described geological sections in São Paulo State, Brazil, were chemically and isotopically analysed with two aims: ...