2021
DOI: 10.1590/2317-4889202120200053
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Support method for interpretation of regional groundwater monitoring in urban areas

Abstract: Urban centers radically alter hydrological cycles, causing unintended consequences for the environment, such as the creation of extensive contamination plumes in unconfined aquifers. The Environmental Agency of the State of São Paulo has observed this issue since 1994. Therefore, this study aimed to create a method using nitrate as an indicator of contamination that permits an assertive interpretation of changes in the groundwater quality in monitoring wells of regional networks. The method was applied in ten … Show more

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Cited by 4 publications
(3 citation statements)
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“…An essential part of the basin's drinking water endowment is groundwater, especially spring water (Avcı & Fernández-Salvador, 2016). Identifying recharge zones and estimating recharge values to protect water resources from anthropogenic activities, such as pollution and land-use practices that could affect the quality and quantity of clean water for consumption, is crucial (Hirata et al, 2015;Pileggi et al, 2021).…”
Section: Introductionmentioning
confidence: 99%
“…An essential part of the basin's drinking water endowment is groundwater, especially spring water (Avcı & Fernández-Salvador, 2016). Identifying recharge zones and estimating recharge values to protect water resources from anthropogenic activities, such as pollution and land-use practices that could affect the quality and quantity of clean water for consumption, is crucial (Hirata et al, 2015;Pileggi et al, 2021).…”
Section: Introductionmentioning
confidence: 99%
“…A rápida urbanização e o aumento populacional nas últimas décadas têm contribuído de forma significativa para a degradação acelerada dos aquíferos, o que tem gerado uma preocupação mundial devido aos potenciais danos à saúde da população. Diversos estudos foram desenvolvidos para identificar e avaliar a extensão da contaminação por nitrato nas cidades (VARNIER et al 2010, SUHOGUSOFF et al 2013, ZENDEHBAD et al 2019, HIRATA et al 2020, TORRES-MARTÍNEZ et al 2020, PILEGGI et al 2021, JAKÓBCZYK--KARPIERZ & SLÓSARCZYK 2022, REDDY et al 2022.…”
Section: Introductionunclassified
“…As cidades do centro-oeste do estado de São Paulo, abastecidas total ou parcialmente pelo SAB, estão convivendo com o problema da contaminação por esse íon há vários anos, como atestam os trabalhos de CAGNON & HIRATA (2004), VAR-NIER et al (2010, 2017, ROSENBERGER et al (2013), MONTANHEIRO & CHANG (2016), MARQUES et al (2019), HIRATA et al (2020) e PILEGGI et al (2021). Esses estudos apontaram a relação entre o nitrato nas águas subterrâneas e a urbanização, sendo que as maiores concentrações foram registradas nas zonas centrais das cidades, com ocupação mais antiga, maior densidade populacional e instalação da rede de esgoto, em geral anterior a 1990.…”
Section: Introductionunclassified