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GPR profiles over plastic drums buried at the IAG/ USP geophysical test site-I, São Paulo, Brazil: a controlled experiment applied to environmental studiesNormal access

Authors: Jorge Luís Porsani, Bruno Poluha and Vinicius Rafael Neris dos Santos
Journal name: First Break
Issue: Vol 36, No 8, August 2018 pp. 65 - 69
Language: English
Info: Article, PDF ( 1.92Mb )
Price: € 30

Summary:
Nowadays, population growth in the large urban centres and uncontrolled use of natural resources has provoked environmental impacts that limit the quality of life. Thus, there is an increase n research related to environmental contamination, geotechnical, urban planning studies, among others, aiming at a better knowledge of the subsurface in support of the management of soil use in a sustainable way, without impacting the future generations. In this way, geoelectrical methods are used to characterize environmental problems and they are well accepted in society owing to the low costs involved in fieldwork. In particular, the GPR-Ground Penetrating Radar method is very efficient at detecting metallic and plastic pipes, and concrete tubes buried in the subsoil (Zeng and McMechan, 1997; Grandjean et al., 2000; Porsani et al., 2006, 2012, 2017; Rodrigues and Porsani, 2006; Porsani and Sauck, 2007; Yang et al., 2014; Poluha et al., 2017; Santos et al., 2014, 2018; Alani and Tosti, 2018; Levashov et al., 2018), in the mapping of contamination plumes (Daniels et al., 1995; Zeng and McMechan, 1997; Atekwana et al., 2000; Porsani et al., 2004; Wang et al., 2015; Chang et al., 2016; Wijewardana et al., 2017; Ghodoosi et al., 2018), and cultural heritage buildings studies (Piro et al., 2015; Himi et al., 2016) among others. GPR is a non-destructive geophysical method that uses electromagnetic waves in high frequency, usually between 10 MHz and 2.6 GHz aiming to locate shallow geological features in subsurface, environmental contamination plume and artificial objects buried by man. The electromagnetic theory of the GPR method can be found in (Porsani, 1999; Daniels, 2007; Jol, 2009), among others.


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