2012
DOI: 10.3738/1982.2278.638
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Comprometimento Da Qualidade Da Água Subterrânea Por Nitratos

Abstract: Uma parcela considerável da população de Ji-Paraná supre suas necessidades diárias de água em sistemas alternativos de abastecimento, com água proveniente do manancial subterrâneo. Estudos evidenciam que este recurso é suscetível à contaminação e/ou poluição por fontes de poluição pontual, como as fossas, amplamente utilizadas na área urbana deste município. Áreas de plantio de hortaliças são potenciais fontes difusas de contaminação da água e informações sobre o seu efeito na qualidade da água subterrânea ain… Show more

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Cited by 8 publications
(9 citation statements)
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“…Menezes et al (2014), studying groundwater in the municipality of Alegre, Espírito Santo, found a signi cant correlation between pH and Ca +2 (r= 0.48) and also between Ca +2 , TDS and Na + , and deduced that for the majority of the groundwater samples, these parameters originated from a common source, implying the sharing of similar release mechanisms, possibly related to rock weathering. Nunes et al (2012), studying groundwater in an area near a truck farm in Ji-Paraná, found that seasonality had little in uence on this parameter (pH), as also found in our study (see the points that were in uenced by the variable in Figure 1). Meschede et al (2018) also did not observe the in uence of seasonality on the pH values of groundwater in the region of Santarém, Pará.…”
Section: Discussionsupporting
confidence: 87%
See 1 more Smart Citation
“…Menezes et al (2014), studying groundwater in the municipality of Alegre, Espírito Santo, found a signi cant correlation between pH and Ca +2 (r= 0.48) and also between Ca +2 , TDS and Na + , and deduced that for the majority of the groundwater samples, these parameters originated from a common source, implying the sharing of similar release mechanisms, possibly related to rock weathering. Nunes et al (2012), studying groundwater in an area near a truck farm in Ji-Paraná, found that seasonality had little in uence on this parameter (pH), as also found in our study (see the points that were in uenced by the variable in Figure 1). Meschede et al (2018) also did not observe the in uence of seasonality on the pH values of groundwater in the region of Santarém, Pará.…”
Section: Discussionsupporting
confidence: 87%
“…Among other studies conducted in the state, we can mention those carried out in the municipalities of Presidente Médici by Laureano et al (2019), Vilhena by Oliveira et al (2015) and in the community of Santa Rosa, near the Jaru Biological Reserve, by Ferreira et al (2015), who observed contamination of groundwater by coliforms including E. coli, indicating pollution by domestic sewage. Nunes et al (2012), when analyzing the water from wells located near a truck farm in Ji-Paraná, observed contamination by nitrate, which is harmful to health of the local people due to the increased risk of methemoglobinemia, lymphoma and stomach cancer (Baird & Cann, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…Silva et al (2009), em Ji-Paraná, encontraram 78% dos poços amazonas em desconformidade, com a maior concentração de 239 mg.L -1 . Nunes et al (2012), encontraram valores máximos de nitrato de 26,2 mg.L -1 . Leite et al (2011) em poços rurais em Ji-Paraná encontrou valor de 11,5 mg.L -1 , assim como no presente estudo ocorreu a predominância do nitrato, enquanto o amônio foi encontrado em concentrações pequenas.…”
Section: Avaliação Físico-químicaunclassified
“…Esse comportamento já foi observado em diferentes partes do mundo (Burte et al, 2005;Feng et al, 2005;Chen et al, 2010;Nunes et al, 2012) e expressa a necessidade de mudanças nos manejos da irrigação.…”
Section: Similaridade Hidroquímicaunclassified