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Contamination Susceptibility of Serra Geral Aquifer at Municipal Scale in Brazil

21 Pages Posted: 20 May 2020 Publication Status: Published

See all articles by Samuel Lunardi

Samuel Lunardi

Federal University of Santa Maria (UFSM)

Willian Fernando de Borba

Federal University of Santa Maria (UFSM)

Jean Favaretto

Universidade Regional Integrada do Alto Uruguai e das Missões

Marcelle Martins

Federal University of Santa Maria (UFSM)

Henrique Baldi Faccenda

Universidad de Passo Fundo

Abstract

In the present work, the focus is on groundwater and its susceptibility to contamination. For this purpose, a list of data concerning the wells located in the study region was elaborated, obtained from the Groundwater Information System (GIS) of the Geological Survey of Brazil. Moreover, it was constructed data about land use occupancy from United States Geological Survey (USGS) images. In order to determine local susceptibility to contamination, a cross-referencing of data was obtained based on of the Susceptibility Index (SI) methodologies and the POSH system. The results showed that the SI of the municipality of Sarandi - RS ranged from very low (37%) to high (76%). Included on these, 12% is in the very low range, 17,6% in low, 13% in moderate to low, 13,2% in moderate to high, and 44% in high. Furthermore, potential sources of pollutant load are concentrated in areas where the contamination SI has scored from moderate to high. It is concluded that the methodologies used are important tools that benefits and facilitate environmental impact assessments, enabling management for the purpose of protecting and preserving water resources in general.

Suggested Citation

Lunardi, Samuel and Borba, Willian Fernando de and Favaretto, Jean and Martins, Marcelle and Faccenda, Henrique Baldi, Contamination Susceptibility of Serra Geral Aquifer at Municipal Scale in Brazil. Available at SSRN: https://ssrn.com/abstract=3599777 or http://dx.doi.org/10.2139/ssrn.3599777

Samuel Lunardi (Contact Author)

Federal University of Santa Maria (UFSM) ( email )

Santa Maria
Brazil

Willian Fernando de Borba

Federal University of Santa Maria (UFSM) ( email )

Santa Maria
Brazil

Jean Favaretto

Universidade Regional Integrada do Alto Uruguai e das Missões ( email )

Rua Assis Brasil, 709
Frederico Westphalen, Rio Grande do Sul 98400-000
Brazil

Marcelle Martins

Federal University of Santa Maria (UFSM) ( email )

Santa Maria
Brazil

Henrique Baldi Faccenda

Universidad de Passo Fundo ( email )

BR 285 - Km 171 - Campus I
Bairro SE Jose
Passo Fundo, Rio Grande do Sul 99001-970
Brazil

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