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Detailed geology for the elaboration of a conceptual model of groundwater circulation: case study in Jurubatuba, SP.

Grant number: 11/04169-4
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2012
Effective date (End): February 28, 2013
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal Investigator:Amélia João Fernandes
Grantee:Bruna Fiume
Home Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The São Paulo Metropolitan Region consists of a highly populated and industrialized area, where there are hundreds of deep wells that supply the region with the waters of the Aquifer Crystalline. In the Jurubatuba channel industrial area, the aquifer is contaminated with high concentrations of chlorinated solvents, representing a risk to the local population. Solving this problem is a challenge for the field of hydrogeology, due to the complexity of flow in fractured aquifers and to the high toxicity and mobility of contaminants; the contaminants can reach great depths as they are denser and less viscous than water. In this sense, the conceptual hydrogeological modeling becomes essential in order to predict the preferential flow pathways of groundwater and contaminants through the hydraulically active fractures. This procedure has been shown effective in studies conducted abroad, focused on the investigation of fractured aquifers contaminated by chlorinated solvents. The structural analysis, which includes the application of new research technologies such as geophysical surveys in wells, allow the characterization of geometric parameters of the fracture network, as well as the identification of geological conditions that control the circulation of water in fractured aquifers. This analysis will allow the development of a groundwater flow conceptual model, which will form the basis for the research of the contaminant transport to be held in the same region under a larger project (Gesol). The combined use of different methods of investigation warrants the innovative character of the work in Brasil, and its results will contribute for the planning of future investigations.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BRUNA FIUME; AMÉLIA JOÃO FERNANDES; MARCOS BOLOGNINI BARBOSA; RICARDO HIRATA; REGINALDO ANTONIO BERTOLO. Integrated application of geophysical loggings and fracture survey on rock exposures for identifying transmissive fractures in crystalline aquifer: case study in the city of Sao Paulo. BRAZILIAN JOURNAL OF GEOLOGY, v. 50, n. 1, p. -, 2020. Web of Science Citations: 0.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FIUME, Bruna. Detailed structural geology aiming at the elaboration of a conceptual model of ground water flow circulation: a case study in Jurubatuba, SP.. 2014. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Geociências São Paulo.

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