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Hydrogeochemical facies mapping in Serra Geral Aquifer in Brazilian territory

Grant number: 17/05609-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2017
Effective date (End): May 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal researcher:Didier Gastmans
Grantee:Carolina Stager Quaggio
Home Institution: Centro de Estudos Ambientais (CEA). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil

Abstract

Inserted in the hydrogeological framework of the Paraná Sedimentary Basin, the Serra Geral Aquifer (SGA) represents an important groundwater reservoir due to the quality of its water which is used for public supply, agriculture and industry. The SGA extends through the territories of Brazil, Argentina, Paraguay and Uruguay. In Brasil, it occurs in the states of Mato Grosso do Sul, Paraná, Rio Grande do Sul, Santa Catarina and São Paulo. Below the SGA, it's the Guarani Aquifer System (GAS), also of great importance in the Brazilian hydrogeology. Despite the importance of the SGA, only localized studies were done, and its regional hydrochemical characterization and relations with GAS little researched. Some studies indicate a rise in waters from SGA to GAS. The main purpose of this work is characterize the regional hydrochemical of the SGA through the mapping of the hydrochemical facies, allowing a new vision of performance for administrators and users of the water from the reservoir. In addition to opening a new opportunity of academic exploration. (AU)

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