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J. Mar. Sci. Eng. 2019, 7(1), 4; https://doi.org/10.3390/jmse7010004

Numerical Study of Oil Spill in the Patos Lagoon Under Flood and Ebb Conditions

1
Escola de Engenharia, Universidade Federal do Rio Grande—FURG, Campus Carreiros, Av. Itália s/n Km 8, Rio Grande CEP 96201-900, Brazil
2
Department of Industrial Engineering, University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy
3
Instituto de Oceanografia, Universidade Federal do Rio Grande—FURG, Campus Carreiros, Av. Itália s/n Km 8, Rio Grande CEP 96201-900, Brazil
4
Instituto de Matemática, Estatística e Física, Universidade Federal do Rio Grande—FURG, Campus Carreiros, Av. Itália s/n Km 8, Rio Grande CEP 96201-900, Brazil
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 1 December 2018 / Revised: 16 December 2018 / Accepted: 24 December 2018 / Published: 4 January 2019
(This article belongs to the Section Ocean Engineering)
Full-Text   |   PDF [3286 KB, uploaded 4 January 2019]   |  

Abstract

Facing great obstacles to eradicate environmental hazards generated by oil spills, it is crucial to establish actions against such accidents. In this context, the focus of this study is to analyze oil spills at the harbor region of Rio Grande, Rio Grande do Sul. The Easy Coupling Oil System (ECOS) model was used to model the oil spills under different environmental conditions simulated by the hydrodynamic model Telemac-3D, with the intention to identify the main forces controlling the movement of the oil slicks over a year of averaged hydrodynamic conditions from 2003 to 2015. The computational domain comprises the Patos Lagoon, the harbor area of Rio Grande and the Southern Brazilian Shelf. For the oil spill simulations, eight distinct events were defined considering both flood and ebb conditions in the estuarine region of the Patos Lagoon. The oil spill simulations showed that, in ebb conditions, the oil slick movement is mainly ruled by the currents, moving towards the outflow. After a few hours, the wind action makes the slick move towards the margins of the waterway. In flood conditions, on the other hand, the oil slick drifts to the interior of the estuary, following the dominant currents and the local winds. View Full-Text
Keywords: residence time; coastal lake; oil spill; ECOS; Telemac-3D residence time; coastal lake; oil spill; ECOS; Telemac-3D
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Vasconcellos Lopes, B.; Pavlovic, A.; Beloti Trombetta, T.; Oleinik, P.H.; Barbosa Monteiro, C.; Cardoso Guimarães, R.; Vieira da Silva, D.; Correa Marques, W. Numerical Study of Oil Spill in the Patos Lagoon Under Flood and Ebb Conditions. J. Mar. Sci. Eng. 2019, 7, 4.

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