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A model-based analysis of metal fate in the Thames Estuary

Research output: Contribution to journalArticlepeer-review

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A model-based analysis of metal fate in the Thames Estuary. / Premier, Valentina; de Souza Machado, Anderson Abel; Mitchell, Steve; Zarfl, Christiane; Spencer, Kate; Toffolon, Marco.

In: Estuaries and Coasts, Vol. 42, No. 4, 0, 15.06.2019, p. 1185-1201.

Research output: Contribution to journalArticlepeer-review

Harvard

Premier, V, de Souza Machado, AA, Mitchell, S, Zarfl, C, Spencer, K & Toffolon, M 2019, 'A model-based analysis of metal fate in the Thames Estuary', Estuaries and Coasts, vol. 42, no. 4, 0, pp. 1185-1201. https://doi.org/10.1007/s12237-019-00544-y

APA

Premier, V., de Souza Machado, A. A., Mitchell, S., Zarfl, C., Spencer, K., & Toffolon, M. (2019). A model-based analysis of metal fate in the Thames Estuary. Estuaries and Coasts, 42(4), 1185-1201. [0]. https://doi.org/10.1007/s12237-019-00544-y

Vancouver

Premier V, de Souza Machado AA, Mitchell S, Zarfl C, Spencer K, Toffolon M. A model-based analysis of metal fate in the Thames Estuary. Estuaries and Coasts. 2019 Jun 15;42(4):1185-1201. 0. https://doi.org/10.1007/s12237-019-00544-y

Author

Premier, Valentina ; de Souza Machado, Anderson Abel ; Mitchell, Steve ; Zarfl, Christiane ; Spencer, Kate ; Toffolon, Marco. / A model-based analysis of metal fate in the Thames Estuary. In: Estuaries and Coasts. 2019 ; Vol. 42, No. 4. pp. 1185-1201.

Bibtex

@article{8a6db3420aff4adbaf4633d5c7f6869f,
title = "A model-based analysis of metal fate in the Thames Estuary",
abstract = "The Thames Estuary (UK) is an industrialized, macrotidal ecosystem characterized by a long history of metal pollution. Nevertheless, a holistic understanding of the metal fate is still missing. This study aims at identifying the main environmental mechanisms affecting metal behaviour in the Thames Estuary using copper and zinc as representative examples. A suite of multivariate statistical analyses performed on data from long-term monitoring of metal distribution in the estuary indicated that total metal concentrations are primarily correlated with suspended solids, being thus indirectly influenced by the interaction between freshwater discharge and the tide. These data were used to set up a three-dimensional hydrodynamic and water quality model to simulate the transport of sediments and metals within the estuary. Model results ratify that high metal concentrations might occur in the central part of the estuary as consequence of fine sediment resuspension. Such an effect of the hydrodynamics is highlighted by the differences between months characterized by low or high river discharge as well as neap or spring tide. We discuss the physical mechanisms of such transport processes and their direct implication for the management of sediment and metal contamination in estuarine areas especially in terms of long-term analysis. Developing a model able to assess future trends helps in planning the correct strategies for recovery and maintenance. Further research is needed to improve the accuracy of models of this kind as well as to investigate the potential effects of climate change for this and other similar systems.",
keywords = "numerical modelling, estuarine hydrodynamics, salinity, metals, suspended sediments",
author = "Valentina Premier and {de Souza Machado}, {Anderson Abel} and Steve Mitchell and Christiane Zarfl and Kate Spencer and Marco Toffolon",
year = "2019",
month = jun,
day = "15",
doi = "10.1007/s12237-019-00544-y",
language = "English",
volume = "42",
pages = "1185--1201",
journal = "Estuaries and Coasts",
issn = "1559-2723",
publisher = "Springer Nature",
number = "4",

}

RIS

TY - JOUR

T1 - A model-based analysis of metal fate in the Thames Estuary

AU - Premier, Valentina

AU - de Souza Machado, Anderson Abel

AU - Mitchell, Steve

AU - Zarfl, Christiane

AU - Spencer, Kate

AU - Toffolon, Marco

PY - 2019/6/15

Y1 - 2019/6/15

N2 - The Thames Estuary (UK) is an industrialized, macrotidal ecosystem characterized by a long history of metal pollution. Nevertheless, a holistic understanding of the metal fate is still missing. This study aims at identifying the main environmental mechanisms affecting metal behaviour in the Thames Estuary using copper and zinc as representative examples. A suite of multivariate statistical analyses performed on data from long-term monitoring of metal distribution in the estuary indicated that total metal concentrations are primarily correlated with suspended solids, being thus indirectly influenced by the interaction between freshwater discharge and the tide. These data were used to set up a three-dimensional hydrodynamic and water quality model to simulate the transport of sediments and metals within the estuary. Model results ratify that high metal concentrations might occur in the central part of the estuary as consequence of fine sediment resuspension. Such an effect of the hydrodynamics is highlighted by the differences between months characterized by low or high river discharge as well as neap or spring tide. We discuss the physical mechanisms of such transport processes and their direct implication for the management of sediment and metal contamination in estuarine areas especially in terms of long-term analysis. Developing a model able to assess future trends helps in planning the correct strategies for recovery and maintenance. Further research is needed to improve the accuracy of models of this kind as well as to investigate the potential effects of climate change for this and other similar systems.

AB - The Thames Estuary (UK) is an industrialized, macrotidal ecosystem characterized by a long history of metal pollution. Nevertheless, a holistic understanding of the metal fate is still missing. This study aims at identifying the main environmental mechanisms affecting metal behaviour in the Thames Estuary using copper and zinc as representative examples. A suite of multivariate statistical analyses performed on data from long-term monitoring of metal distribution in the estuary indicated that total metal concentrations are primarily correlated with suspended solids, being thus indirectly influenced by the interaction between freshwater discharge and the tide. These data were used to set up a three-dimensional hydrodynamic and water quality model to simulate the transport of sediments and metals within the estuary. Model results ratify that high metal concentrations might occur in the central part of the estuary as consequence of fine sediment resuspension. Such an effect of the hydrodynamics is highlighted by the differences between months characterized by low or high river discharge as well as neap or spring tide. We discuss the physical mechanisms of such transport processes and their direct implication for the management of sediment and metal contamination in estuarine areas especially in terms of long-term analysis. Developing a model able to assess future trends helps in planning the correct strategies for recovery and maintenance. Further research is needed to improve the accuracy of models of this kind as well as to investigate the potential effects of climate change for this and other similar systems.

KW - numerical modelling

KW - estuarine hydrodynamics

KW - salinity

KW - metals

KW - suspended sediments

U2 - 10.1007/s12237-019-00544-y

DO - 10.1007/s12237-019-00544-y

M3 - Article

VL - 42

SP - 1185

EP - 1201

JO - Estuaries and Coasts

JF - Estuaries and Coasts

SN - 1559-2723

IS - 4

M1 - 0

ER -

ID: 13569478