2022
DOI: 10.1007/s11252-022-01228-5
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Wastewater treatment plant effluent inputs influence the temporal variability of nutrient uptake in an intermittent stream

Abstract: Wastewater treatment plant (WWTP) effluents alter water chemistry and in-stream nutrient uptake rates of receiving freshwaters, thus changing the magnitude and fate of the nutrients exported. In Mediterranean regions, the dilution capacity of receiving streams can vary strongly over time due to the seasonal occurrence of floods and droughts, causing temporal variability of nutrient uptake. We assessed the temporal patterns and the controlling factors of net nutrient uptake in an intermittent Mediterranean stre… Show more

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Cited by 8 publications
(5 citation statements)
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“…Similarly, Mg, Ca, DIC, and pH increased with distance downstream along an urban stream in Baltimore, Maryland, United States of America due to increasing watershed impervious surface cover and human-accelerated weathering ( Kaushal et al, 2017 ). (2) Decreasing: There can also be chemical dilution along stream flowpaths and decreasing trends in chemical concentrations, particularly downstream of wastewater treatment plants ( Haggard et al, 2005 ; Castelar et al, 2022 ). (3) Chemostatic: There can be chemostatic, steady state, and stable longitudinal DOC concentrations along the mainstem of a stream in Idaho, United States of America, even though in DOC concentrations in headwater tributaries were more variable.…”
Section: Figurementioning
confidence: 99%
“…Similarly, Mg, Ca, DIC, and pH increased with distance downstream along an urban stream in Baltimore, Maryland, United States of America due to increasing watershed impervious surface cover and human-accelerated weathering ( Kaushal et al, 2017 ). (2) Decreasing: There can also be chemical dilution along stream flowpaths and decreasing trends in chemical concentrations, particularly downstream of wastewater treatment plants ( Haggard et al, 2005 ; Castelar et al, 2022 ). (3) Chemostatic: There can be chemostatic, steady state, and stable longitudinal DOC concentrations along the mainstem of a stream in Idaho, United States of America, even though in DOC concentrations in headwater tributaries were more variable.…”
Section: Figurementioning
confidence: 99%
“…Ambos os resultados sugerem a possibilidade de o processo de desnitrificação ter sido relevante para a ciclagem do nutriente no trecho analisado, uma vez que a disponibilidade de carbono orgânico lábil e a ausência de OD são condicionantes da ocorrência do processo (DODDS; WHILES, 2010). A desnitrificação não é comumente reportada como predominante no ciclo do nitrogênio em corpos receptores de efluentes tratados (MARTÍ et al, 2004;STANLEY;STORM, 2005;FIGUEROA-NIEVES et al, 2016;BERNAL et al, 2020;CASTELAR et al, 2022) (2006) apresentaram intervalos interquartis para as velocidades de retenção de SRP, NO3-N e NH4-N de, respectivamente, 0,90 a 6,00 mm min -1 , 0,50 a 4,30 mm min -1 e 2,20 a 10,40 mm min -1 . Na presente pesquisa, os intervalos interquartis foram de 0,84 a 2,42 mm min -1 , 1,34 a 2,10 mm min -1 e 1,15 a 1,56 mm min O presente estudo apresentou mais episódios de retenção líquida de SRP (75% das coletas) em relação ao de Finkler ( 2022) (20% das coletas) e concentrações do nutriente no ponto MJ1 estatisticamente superiores às da pesquisa anterior (Figura 26E).…”
Section: Caracterização Da Retenção De Nutrientes No Corpo Receptor D...unclassified
“…Corpos hídricos que recebem aporte elevado de SRP por um longo período de tempo podem ter sua capacidade retentiva reduzida ou até mesmo saturada (POLLOCK; MEYER, 2001;FIGUEROA-NIEVES et al, 2016;CASTELAR et al, 2022). Pollock e Meyer (2001) TUNDISI et al, 2008;CAMPAGNA, 2010).…”
Section: Caracterização Da Retenção De Nutrientes No Corpo Receptor D...unclassified
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