Estimation of nitrate pollution sources and transformations in groundwater of an intensive livestock-agricultural area (Comarca Lagunera), combining major ions, stable isotopes and MixSIAR model

Torres-Martínez, Juan Antonio; Mora, Abrahan; Mahlknecht, Jürgen; Daesslé, Luis Walter; Cervantes-Avilés, Pabel; Ledesma-Ruiz, Rogelio

doi:10.1016/j.envpol.2020.115445

Cited by 136 publications

(22 citation statements)

References 53 publications

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“…Municipal sewage (UI 90 = 0.14) exhibited a moderate degree of uncertainty. By way of comparison, our UI 90 values considering 15 N-fractionation factors were lower than those in nearby Changle River watershed (eastern China; UI 90 range = 0.06-0.62) and the Shanxi drinking water source area (eastern China; UI 90 range = 0.08-0.67), but higher than those from Comarca Lagunera (northern Mexico; UI 90 range = 0.05-0.24) (Ji et al, 2017;Shang et al, 2020;Torres-Martínez et al, 2021a). Notably, the SIAR model ignoring the 15 N-fractionation effects (fractionation factors set as zero) produced significantly greater uncertainties than comparable SIAR model incorporating 15 N-fractionation factors for each different N source.…”

Section: Uncertainty Analysismentioning

confidence: 69%

“…The UI 90 is defined as the proportional contribution of the 0.95 cumulative frequency distribution minus that at the 0.05 cumulative frequency distribution, and then divided by 0.9. Additional details regarding the UI 90 calculation are documented in Ji et al (2017) and Torres-Martínez et al (2021a), (2021b).…”

Section: Uncertainty Analysismentioning

confidence: 99%

“…Analysis and interpretation of stable nitrate isotopes ( 15 N and 18 O) provide a promising approach for assessing the sources and fate (i.e., transformations/transport) of riverine NO 3 − based on different nitrate pollution sources with unique stable isotopic characteristics and nitrogen cycling processes with specific isotopic fractionation signatures (Biddau et al, 2019;Hu et al, 2019;Torres-Martínez et al, 2021a). Advantages of this approach include less ancillary information requirements, easy operation, high precision and direct identification of pollution sources.…”

mentioning

confidence: 99%

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Nitrate pollution source apportionment, uncertainty and sensitivity analysis across a rural-urban river network based on δ15N/δ18O-NO3− isotopes and SIAR modeling

Shu

Chen

et al. 2022

Journal of Hazardous Materials

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Section: Uncertainty Analysismentioning

confidence: 69%

Section: Uncertainty Analysismentioning

confidence: 99%

mentioning

confidence: 99%

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Nitrate pollution source apportionment, uncertainty and sensitivity analysis across a rural-urban river network based on δ15N/δ18O-NO3− isotopes and SIAR modeling

Shu

Chen

et al. 2022

Journal of Hazardous Materials

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“…vazamento de esgoto, fertilizantes e esterco) e naturais (p. ex. chuva ou dissolução de minerais contendo Cl), responsáveis pelo aumento em suas concentrações (WIDORY et al 2005, HINKLE et al 2008, LI et al 2010, GRIMMEISEN et al 2017, TORRES-MARTÍNEZ et al 2021.…”

Section: Processos Hidroquímicos Atuantesunclassified

Uso dos isótopos 15N e 18O em nitrato e a sua importância em estudos de contaminação de aquíferos urbanos na América Latina

Varnier¹,

Suhogusoff²,

Hirata³

et al. 2021

Derb.

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Este trabalho analisa o estado atual do conhecimento sobre o uso de isótopos estáveis (15N e 18O) na identificação de fontes de nitrato e os processos que controlam o transporte e transformação das espécies nitrogenadas em aquíferos situados em áreas urbanas e periurbanas na América Latina. Ao longo desse artigo, apresentam-se: (i) as principais reações e processos que controlam o nitrogênio dentro do ciclo; (ii) as fon-tes de contaminação de nitrato nas águas subterrâneas; (iii) as composições isotópicas de 15NNO3 e 18ONO3 de acordo com as fontes e fatores que levam a seu fracionamento; (iv) o uso combinado de outros traçadores (Cl-, 11B, 34S, 18OSO4) com os isótopos 15NNO3 e 18ONO3 em estudos de contaminação; e (v) estudos de caso na América Latina que empregam isótopos ambientais em aquíferos urbanos. Embora existam muitos dados acerca da composição isotópica de nitrato em águas subterrâneas, estes restringem-se a regiões situadas na Europa, América do Norte, Ásia e Oceania, constatando-se uma latente lacuna de dados no cenário latino-americano. Dessa forma, mais estudos são necessários concentrando-se no uso de modelos estáveis de mistura de isótopos e na melhoria da compreensão sobre o fracionamento isotópico mediante realização de ex-perimentos laboratoriais e de campo em áreas urbanas na América Latina.

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“…Nitrate (NO3 -) is an enormously powerful environmental pollutant that not only arises naturally, but also released by a number of anthropogenic exercises. These anthropogenic activities include the manufacture and use of nitrate fertilizers, fossil fuel combustion (occur as atmospheric deposition, hereinafter AD) and releases of both domestic and industrial sewage systems and modification in nitrogen-fixing crops in natural vegetation [11][12][13] . In most natural waters, nitrate forms a critical portion of the ionic charge.…”

Section: Introductionmentioning

confidence: 99%

Anthropogenic Nitrate Pollution in Groundwater and Its Health Risks in The View of Background Concentration in a Semi-Arid Area of Rajasthan

Rahman

Mondal

Tiwari

2021

Preprint

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An increased nitrate (NO3-) concentration in groundwater has been a rising issue on a global scale in recent years. Through different consumption mechanisms, it clearly illustrates the adverse effects on human health. The goal of this present study is to assess the natural and anthropogenic NO3- concentration in groundwater and its related risks to human health in the different groups of ages such as children, males, and females. Groundwater samples (n=101) were obtained and analysed for their physicochemical components, along with the nitrate concentration in a semi-arid area of Rajasthan. The results show that most of the samples were influenced by anthropogenic activities. The background and anthropogenic levels had been estimated and marked as 7.2 mg/L and 13.3 mg/L for the background and anthropogenic concentrations, respectively. About 83% of nitrate samples were exceeded the background limit, while 28% of the samples were beyond the permissible limit of 45 mg/L as stated by the Bureau of Indian Standards (BIS). Nitrate health risks were also measured by oral intake and dermal contact sources for the residents in this area. The oral exposure of nitrate was very high as compare to dermal contact. With regards to the non-carcinogenic health risk, the total Heath Index (HITotal) values of groundwater nitrate in the study area varied from 0.045 to 3.153 with an average of 0.964 for males, 0.053 to 3.726 with an average of 1.139 for females, and 0.061 to 4.278 with an average of 1.308 for children. The nitrate health risk assessment shows that about 38%, 46%, and 49% of groundwater samples constitute the non-carcinogenic health risk to males, females, and children, respectively.

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Estimation of nitrate pollution sources and transformations in groundwater of an intensive livestock-agricultural area (Comarca Lagunera), combining major ions, stable isotopes and MixSIAR model

Cited by 136 publications

References 53 publications

Nitrate pollution source apportionment, uncertainty and sensitivity analysis across a rural-urban river network based on δ15N/δ18O-NO3− isotopes and SIAR modeling

Nitrate pollution source apportionment, uncertainty and sensitivity analysis across a rural-urban river network based on δ15N/δ18O-NO3− isotopes and SIAR modeling

Uso dos isótopos 15N e 18O em nitrato e a sua importância em estudos de contaminação de aquíferos urbanos na América Latina

Anthropogenic Nitrate Pollution in Groundwater and Its Health Risks in The View of Background Concentration in a Semi-Arid Area of Rajasthan

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