2017
DOI: 10.1590/2318-0331.0217170052
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Multi-criteria potential groundwater contamination and human activities: Araras watershed, Brazil

Abstract: Assessment of groundwater contamination potential using geological, hydrological and hydrogeological attributes, is an efficient mechanism of sub-surface water resources protection and conservation. However, usually this method does not take into consideration the potentially polluting human activities, either in punctual or diffuse sources, or because the relative importance of the attributes are not considered. The paper proposes a multi-criteria approach as a way of solving this gap, reducing subjectivity a… Show more

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Cited by 8 publications
(6 citation statements)
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References 35 publications
(44 reference statements)
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“…Regarding the main environmental compartments affected in studied places, Figure 2 below, shows the results found, which was groundwater. This is an issue significant because the access to an essential resource, as water could be impacted [36][37] [38][39] [40]. The costs of the treatment can also increase.…”
Section: Resultsmentioning
confidence: 99%
“…Regarding the main environmental compartments affected in studied places, Figure 2 below, shows the results found, which was groundwater. This is an issue significant because the access to an essential resource, as water could be impacted [36][37] [38][39] [40]. The costs of the treatment can also increase.…”
Section: Resultsmentioning
confidence: 99%
“…Based on the principal component analysis and the groundwater ow direction, supported by the cartograms of the most important variables, it is unquestionable that the groundwater in the districts of Nova Londrina and Nova Colina is being degraded by the entry of domestic sewage, with other factors contributing to this contamination being the wells' characteristics and the farming and livestock breeding activities at speci c points. Piga et al (2017) also concluded that the contamination of the groundwater observed in the municipality of Araras, São Paulo, was associated with subpar well construction and management, associated with highly urbanized surrounding areas.…”
Section: Direction Of Groundwater Owmentioning
confidence: 96%
“…Mundialmente, entre os métodos mais empregados destaca-se o DRASTIC (ALLER et al, 1987) e o GOD (FOSTER, 1987). No Brasil, a análise multicritério envolvendo matrizes de decisão e sobreposição de planos de informação em ambiente SIG têm alcançado resultados adequados além de um baixo custo (MARANGON et al, 2017;PIGA et al, 2017;COSTA et al, 2019).…”
Section: Introductionunclassified