2021
DOI: 10.1002/jeq2.20202
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Sediment phosphorus buffering in streams at baseflow: A meta‐analysis

Abstract: Phosphorus (P) pollution of surface waters remains a challenge for protecting and improving water quality. Central to the challenge is understanding what regulates P concentrations in streams. This quantitative review synthesizes the literature on a major control of P concentrations in streams at baseflow-the sediment P bufferto better understand streamwater-sediment P interactions. We conducted a global meta-analysis of sediment equilibrium phosphate concentrations at net zero sorption (EPC 0), which is the d… Show more

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Cited by 31 publications
(36 citation statements)
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References 201 publications
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“…The EPC 0 is a common tool to assess P sorption interactions between sediments and the water column in streams, as it estimates the phosphorus buffering capacity of benthic sediments [44,69]. EPC 0 is sensitive to hydrological events [37,44], fresh sediment inputs [70,71], and excessive SRP loads due to point source and diffuse pollution [70].…”
Section: Effects Of the Two-stage Ditch And The Floodplain On Sediment Processesmentioning
confidence: 99%
“…The EPC 0 is a common tool to assess P sorption interactions between sediments and the water column in streams, as it estimates the phosphorus buffering capacity of benthic sediments [44,69]. EPC 0 is sensitive to hydrological events [37,44], fresh sediment inputs [70,71], and excessive SRP loads due to point source and diffuse pollution [70].…”
Section: Effects Of the Two-stage Ditch And The Floodplain On Sediment Processesmentioning
confidence: 99%
“…↑ PSR ↑ EPC0 (JARVIE et al, 2005;EKKA et al, 2006;GAINSWIN et al, 2006b;MCDANIEL;DAVID;ROYER, 2009;SIMPSON;CONDRON, 2020). ↑ PSR ↓ EPCsat (BAO; LI; SU, 2020).…”
Section: Fósforo Solúvel Reativo (Psr)mentioning
confidence: 99%
“…As concentrações de PSR variaram de 0,030 mg•L -1 a 13,000 mg•L -1 (PSR médio = 1,181 ± 2,111 mg•L -1 ), enquanto que a EPC0 variou de 0,040 mg•L -1 a 11,000 A análise dos dados extraídos dos 10 artigos evidencia a influência do uso e ocupação do solo nas concentrações de PSR e EPC0, conforme já observado por Weigelhofer et al (2018). Assim como constatado por Simpson et al (2021), a maior parte das observações pareadas PSR e EPC0 (78%) esteve fora da faixa de equilíbrio.…”
Section: Potencial De Retenção Ou Liberação De Fósforo Dos Sedimentos E Impacto De Fontes Poluidorasunclassified
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