Shallow water model for pollutant distribution in the Ypacarai Lake

dc.creatorBareiro,Diego
dc.creatorO’Durnin,Enrique
dc.creatorOporto,Laura
dc.creatorSchaerer,Christian E.
dc.date2021-12-01
dc.date.accessioned2023-09-25T15:52:51Z
dc.date.available2023-09-25T15:52:51Z
dc.identifierhttp://scielo.iics.una.py/scielo.php?script=sci_arttext&pid=S2617-47312021000200054
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8832073
dc.descriptionAbstract: In this paper, we analyze the distribution of a non-reactive contaminant in Ypacarai Lake. We propose a shallow-water model that considers wind-induced currents, inflow and outflow conditions in the tributaries, and bottom effects due to the lakebed. The hydrodynamic is based on the depth-averaged Navier-Stokes equations considering wind stresses as force terms which are functions of the wind velocity. Bed (bottom) stress is based on Manning's equation, the lakebed characteristics, and wind velocities. The contaminant transportation is modeled by a 2D convection-diffusion equation taking into consideration water level. Comparisons between the simulation of the model, analytical solutions, and laboratory results confirm that the model captures the complex dynamic phenomenology of the lake. In the simulations, one can see the regions with the highest risk of accumulation of contaminants. It is observed the effect of each term and how it can be used them to mitigate the impact of the pollutants.
dc.formattext/html
dc.languageen
dc.publisherSociedad Científica del Paraguay
dc.relation10.32480/rscp.2021.26.2.54
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceRevista de la Sociedad Científica del Paraguay v.26 n.2 2021
dc.subjectcontaminant transport
dc.subjectfinite volume method
dc.subjectshallow water equations
dc.subjectwind-driven current
dc.titleShallow water model for pollutant distribution in the Ypacarai Lake
dc.typeinfo:eu-repo/semantics/article


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