2020
DOI: 10.22456/1807-9806.108582
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Variabilidade espaçotemporal das águas subterrâneas do aquífero Bauru impróprias para o consumo humano: concentrações de Bário, Crômio Total e Vanádio

Abstract: Dentre os parâmetros de qualidade da água pode-se destacar o Bário, o Crômio Total e o Vanádio, devido aos possíveis efeitos nocivos à saúde humana. Dados da Companhia Ambiental do Estado de São Paulo têm apontado poços no Sistema Aquífero Bauru (SAB) com concentrações desses elementos acima dos Valores Máximos Permitidos (VMP). Deste modo, objetivou-se caracterizar a variabilidade espacial e temporal das águas impróprias para o consumo humano no SAB em função das concentrações de Bário, Crômio Total e Vanádio… Show more

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Cited by 1 publication
(14 citation statements)
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“…Spatial dependence was analyzed using the Software Gamma Design Software GS+ 7.0 (Robertson 2004). The simple experimental variogram was calculated for each parameter individually, assuming intrinsic stationarity (Yamamoto & Landim 2013), according to the Equation 1 (Lima et al 2020):…”
Section: Geostatistical Analysismentioning
confidence: 99%
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“…Spatial dependence was analyzed using the Software Gamma Design Software GS+ 7.0 (Robertson 2004). The simple experimental variogram was calculated for each parameter individually, assuming intrinsic stationarity (Yamamoto & Landim 2013), according to the Equation 1 (Lima et al 2020):…”
Section: Geostatistical Analysismentioning
confidence: 99%
“…where γ(h) is the number of observation pairs Z(xi) and Z (xi + h), separated by a distance h. For variogram adjustments, the following criteria were observed (Lima et al 2020): a) the lowest sum of the squares of the deviations (SQD); b) the highest spatial determination coefficient (R²) and, c) the highest spatial dependence evaluator (ADE), where: a) ADE ≤ 25% = weakly dependent; b) 25% < ADE ≤ 75% = moderately dependent, and c) ADE > 75% = highly dependent.…”
Section: Geostatistical Analysismentioning
confidence: 99%
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