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Modeling effluent plumes between Praia Grande and Peruíbe, São Paulo State’s shore, Brazil

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posted on 2019-10-09, 02:43 authored by Samuel Hora Yang, Joseph Harari, Elisabete de Santis Braga

ABSTRACT This study’s goal was to monitor the dispersion of effluent plumes from the Praia Grande’s submarine outfalls and from the Itanhaém River by processing the Delft3D model (hydrodynamic and water quality modules) and the Visual Plumes model (UM3 module). The near field modeling indicated that wind-driven currents were more efficient than tidal currents in the initial dilution of the outfalls’ plumes; and the far field modeling, qualitatively validated, demonstrated that the potential pollutants’ concentrations in all the simulated plumes don’t exceed the maximum limits established by the National Environmental Council when these plumes reach the study region’s beaches.

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    Engenharia Sanitaria e Ambiental

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