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1D and 2D joint inversion of resistivity and TDEM data for hydrogeology studies in the Paraná basin

Grant number: 11/06404-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): January 01, 2012
Effective date (End): December 31, 2015
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geophysics
Principal Investigator:Jorge Luís Porsani
Grantee:Cassiano Antonio Bortolozo
Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):12/15719-8 - Joint inversion 1D and 2D data of DC and TEM applied to hydrogeological studies in Paraná Sedimentary Basin, BE.EP.DR


In the interpretation of geophysical data the ambiguities in the interpretation are always present. One way to reduce the ambiguities is the use of various geophysical methods, to obtain a redundancy of information in the studied area. Thus it is possible to make an integrated interpretation of the different results by joint inversion of data from the different methods. The joint inversion of the data is more effective if the methods use the same physical property. In the case of electrical resistivity method (ER) and time domain electromagnetic (TEM), the electrical resistivity is the common physical property. The objective of this research project is to contribute to the solution of the problem of lack of water supply for local communities, guiding the exploration of sedimentary aquifers in the Paraná sedimentary basin in the São Paulo State, specifically in the regions of the cities of Urupês and Termas de Ibirá by means of 1D and 2D joint inversion of ER and TEM data. This procedure will be employed in an unprecedented way in this research and can contribute effectively to the development of research in São Paulo State and in Brazil. It is noteworthy that this doctoral research project is a continuity of the research carried out under the Project supported by FAPESP entitled "Geoelectrical characterization of aquifers in fractured basalts in the region of Bebedouro-SP by means of joint inversion of VES and TEM soundings" (grant n. 2009/08466-3) and that will be part of a future project of Prof. Jorge Porsani that will be submitted to FAPESP in August 2011, where the resources necessary to cover the field travels expenses will be include.

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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)
BORTOLOZO, CASSIANO ANTONIO; BOKHONOK, OLEG; PORSANI, JORGE LUIS; MONTEIRO DOS SANTOS, FERNANDO ACACIO; DIOGO, LILIANA ALCAZAR; SLOB, EVERT. Objective function analysis for electric soundings (VES), transient electromagnetic soundings (TEM) and joint inversion VES/TEM. JOURNAL OF APPLIED GEOPHYSICS, v. 146, p. 120-137, . (09/08466-3, 11/06404-0, 12/15338-4)
REALPE CAMPANA, JULIAN DAVID; PORSANI, JORGE LUIS; BORTOLOZO, CASSIANO ANTONIO; DE OLIVEIRA, GABRIELA SEREJO; MONTEIRO DOS SANTOS, FERNANDO ACACIO. Inversion of TEM data and analysis of the 2D induced magnetic field applied to the aquifers characterization in the Parana basin, Brazil. JOURNAL OF APPLIED GEOPHYSICS, v. 138, p. 233-244, . (12/15719-8, 11/06404-0, 12/15338-4)
LEITE, DAVID NAKAMURA; BORTOLOZO, CASSIANO ANTONIO; PORSANI, JORGE LUIS; COUTO, JR., MARCO ANTONIO; REALPE CAMPANA, JULIAN DAVID; MONTEIRO DOS SANTOS, FERNANDO ACACIO; RANGEL, RODRIGO CORREA; HAMADA, LUIZ RODRIGO; SIFONTES, RIMARY VALERA; DE OLIVEIRA, GABRIELA SEREJO; et al. Geoelectrical characterization with 1D VES/TDEM joint inversion in Urupes-SP region, Parana Basin: Applications to hydrogeology. JOURNAL OF APPLIED GEOPHYSICS, v. 151, p. 205-220, . (12/15338-4, 11/06404-0, 09/08466-3, 12/07385-2)

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