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Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods

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Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods. / Valero, A.; Umbría-Salinas, K.; Wallner-Kersanach, M.; Andrade, C.F.D.; Yabe, M.J.S.; Contreira-Pereira, L.; Wasserman, J.C.; Kuroshima, K.N.; Zhang, H.

In: Science of the Total Environment, Vol. 710, 136216, 25.03.2020.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Valero, A, Umbría-Salinas, K, Wallner-Kersanach, M, Andrade, CFD, Yabe, MJS, Contreira-Pereira, L, Wasserman, JC, Kuroshima, KN & Zhang, H 2020, 'Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods', Science of the Total Environment, vol. 710, 136216. https://doi.org/10.1016/j.scitotenv.2019.136216

APA

Valero, A., Umbría-Salinas, K., Wallner-Kersanach, M., Andrade, C. F. D., Yabe, M. J. S., Contreira-Pereira, L., Wasserman, J. C., Kuroshima, K. N., & Zhang, H. (2020). Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods. Science of the Total Environment, 710, [136216]. https://doi.org/10.1016/j.scitotenv.2019.136216

Vancouver

Valero A, Umbría-Salinas K, Wallner-Kersanach M, Andrade CFD, Yabe MJS, Contreira-Pereira L et al. Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods. Science of the Total Environment. 2020 Mar 25;710. 136216. https://doi.org/10.1016/j.scitotenv.2019.136216

Author

Valero, A. ; Umbría-Salinas, K. ; Wallner-Kersanach, M. ; Andrade, C.F.D. ; Yabe, M.J.S. ; Contreira-Pereira, L. ; Wasserman, J.C. ; Kuroshima, K.N. ; Zhang, H. / Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods. In: Science of the Total Environment. 2020 ; Vol. 710.

Bibtex

@article{b63bdc794bed472ba5f3bd32887eda21,
title = "Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods",
abstract = "Speciation and partitioning of trace metals, from solid to solution phases of sediments. control their bioavailability and thus their potential ecological risk to organisms. Therefore, in order to obtain a broad evaluation of their risk, it is necessary to couple methodologies that are able to assess metal mobility in sediment. In this study, the Diffusive Gradients in Thin Films (DGT) technique and the application of 0.1 M HCl acid extraction methods, together with solid-state voltammetric sensors, were used with the objective of assessing mobility and potential availability of Cr, Cu, Ni, Pb, V and Zn in sediment porewaters and solid sediments in southeastern and southern Brazilian shipyard areas. The highest labile metal concentrations were found in shipyards with the longest histories of operations. Trace metal distributions in porewater and in the solid phase of sediments (labile metals) and significant correlations among metals enabled to distinguish the contribution of anti-fouling paint components. The diffusive flux of every metal measured at the surface of the sediment indicated that CU DGT had the highest flux (3.66E-03 mmol.m(-2) d(-1)) in the shipyard with the longest operating time. Therefore, enrichment was observed for Cu, Pb and Zn in sediments, indicating a possible ecological risk level of 'Effects Range Median' to 'Apparent Effects Threshold' for oyster larvae (Mollusca) (Cu). bivalves (Pb) and the infaunal community (Zn). Probable Effect Concentrations (PEC) to sediment-dwelling biota can be expected as well, related to high concentrations of Cu and Zn in sediment. This study allowed a comprehensive evaluation of potential bioavailability and ecological risk of trace metals in aquatic systems where there is continuous and specific input of these elements. The use of the DGT technique with solid-state voltammetry in the sediment of distinct Brazilian estuarine systems demonstrated its potential to be applied in future environmental network programs. ",
keywords = "DGT, Trace metals, Shipyards, Porewater, Availability, Microelectrodes",
author = "A. Valero and K. Umbr{\'i}a-Salinas and M. Wallner-Kersanach and C.F.D. Andrade and M.J.S. Yabe and L. Contreira-Pereira and J.C. Wasserman and K.N. Kuroshima and H. Zhang",
year = "2020",
month = mar,
day = "25",
doi = "10.1016/j.scitotenv.2019.136216",
language = "English",
volume = "710",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier Science B.V.",

}

RIS

TY - JOUR

T1 - Potential availability of trace metals in sediments in southeastern and southern Brazilian shipyard areas using the DGT technique and chemical extraction methods

AU - Valero, A.

AU - Umbría-Salinas, K.

AU - Wallner-Kersanach, M.

AU - Andrade, C.F.D.

AU - Yabe, M.J.S.

AU - Contreira-Pereira, L.

AU - Wasserman, J.C.

AU - Kuroshima, K.N.

AU - Zhang, H.

PY - 2020/3/25

Y1 - 2020/3/25

N2 - Speciation and partitioning of trace metals, from solid to solution phases of sediments. control their bioavailability and thus their potential ecological risk to organisms. Therefore, in order to obtain a broad evaluation of their risk, it is necessary to couple methodologies that are able to assess metal mobility in sediment. In this study, the Diffusive Gradients in Thin Films (DGT) technique and the application of 0.1 M HCl acid extraction methods, together with solid-state voltammetric sensors, were used with the objective of assessing mobility and potential availability of Cr, Cu, Ni, Pb, V and Zn in sediment porewaters and solid sediments in southeastern and southern Brazilian shipyard areas. The highest labile metal concentrations were found in shipyards with the longest histories of operations. Trace metal distributions in porewater and in the solid phase of sediments (labile metals) and significant correlations among metals enabled to distinguish the contribution of anti-fouling paint components. The diffusive flux of every metal measured at the surface of the sediment indicated that CU DGT had the highest flux (3.66E-03 mmol.m(-2) d(-1)) in the shipyard with the longest operating time. Therefore, enrichment was observed for Cu, Pb and Zn in sediments, indicating a possible ecological risk level of 'Effects Range Median' to 'Apparent Effects Threshold' for oyster larvae (Mollusca) (Cu). bivalves (Pb) and the infaunal community (Zn). Probable Effect Concentrations (PEC) to sediment-dwelling biota can be expected as well, related to high concentrations of Cu and Zn in sediment. This study allowed a comprehensive evaluation of potential bioavailability and ecological risk of trace metals in aquatic systems where there is continuous and specific input of these elements. The use of the DGT technique with solid-state voltammetry in the sediment of distinct Brazilian estuarine systems demonstrated its potential to be applied in future environmental network programs. 

AB - Speciation and partitioning of trace metals, from solid to solution phases of sediments. control their bioavailability and thus their potential ecological risk to organisms. Therefore, in order to obtain a broad evaluation of their risk, it is necessary to couple methodologies that are able to assess metal mobility in sediment. In this study, the Diffusive Gradients in Thin Films (DGT) technique and the application of 0.1 M HCl acid extraction methods, together with solid-state voltammetric sensors, were used with the objective of assessing mobility and potential availability of Cr, Cu, Ni, Pb, V and Zn in sediment porewaters and solid sediments in southeastern and southern Brazilian shipyard areas. The highest labile metal concentrations were found in shipyards with the longest histories of operations. Trace metal distributions in porewater and in the solid phase of sediments (labile metals) and significant correlations among metals enabled to distinguish the contribution of anti-fouling paint components. The diffusive flux of every metal measured at the surface of the sediment indicated that CU DGT had the highest flux (3.66E-03 mmol.m(-2) d(-1)) in the shipyard with the longest operating time. Therefore, enrichment was observed for Cu, Pb and Zn in sediments, indicating a possible ecological risk level of 'Effects Range Median' to 'Apparent Effects Threshold' for oyster larvae (Mollusca) (Cu). bivalves (Pb) and the infaunal community (Zn). Probable Effect Concentrations (PEC) to sediment-dwelling biota can be expected as well, related to high concentrations of Cu and Zn in sediment. This study allowed a comprehensive evaluation of potential bioavailability and ecological risk of trace metals in aquatic systems where there is continuous and specific input of these elements. The use of the DGT technique with solid-state voltammetry in the sediment of distinct Brazilian estuarine systems demonstrated its potential to be applied in future environmental network programs. 

KW - DGT

KW - Trace metals

KW - Shipyards

KW - Porewater

KW - Availability

KW - Microelectrodes

U2 - 10.1016/j.scitotenv.2019.136216

DO - 10.1016/j.scitotenv.2019.136216

M3 - Journal article

VL - 710

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

M1 - 136216

ER -