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Abstract:

A hydrodynamic numerical study at the mouths of the Paraná and Uruguay rivers and the upper Río de la Plata is presented in this paper. Water Quality Mapping numerical model was implemented and realistic and very simple boundary conditions were specially developed for this complex estuarial system. A set of numerical experiments were carried out using different constant discharges for the Paraná and Uruguay rivers but unrealistic currents were generated. In order to obtain more realistic results, a set of numerical simulations were carried out imposing water level timeseries at the open boundaries. M2, S2, K1 and O1 harmonic constants were used to generate water levels at Zárate (Paraná river), Nueva Palmira (Uruguay river) and the eastern boundary of the domain (La Plata-Colonia). A mean water level equal to zero was set between La Plata and Colonia. Positive mean water levels (0.3-0.4m) were imposed at Zárate and Nueva Palmira to simulate the hydraulic slope of both rivers and, consequently, to generate realistic and unsteady discharges. These boundary conditions, built by means of the addition of a mean water level and the astronomical tide, significantly improve the simulated currents at the northernmost region of the RDP estuary. © 2011 Elsevier Inc.

Registro:

Documento: Artículo
Título:Hydrodynamic numerical simulation at the mouths of the Parana and Uruguay rivers and the upper Rio de la Plata estuary: A realistic boundary condition
Autor:Prario, B.E.; Dragani, W.; Mediavilla, D.G.; D'Onofrio, E.
Filiación:Servicio de Hidrografía Naval and ESCM-INUN, Av. Montes de Oca 2124, C1270ABV Ciudad Autónoma de Buenos Aires, Argentina
Departamento Ciencias de la Atmósfera y los Océanos, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Ciudad Universitaria, Pabellón II, 2do. piso, Ciudad Autónoma de Buenos Aires, Argentina
Instituto de Geodesia y Geofísica Aplicadas, Facultad de Ingeniería, Universidad de Buenos Aires, Av. Las Heras 2214, 1127 Ciudad Autónoma de Buenos Aires, Argentina
CONICET, Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Rivadavia 1917, Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:Boundary conditions; Currents; Hydrodynamic modeling; Paraná river; Río de la Plata; Uruguay river; Astronomical tides; Colonia; Constant discharge; Currents; Harmonic constants; Hydrodynamic modeling; Mean water levels; Numerical experiments; Numerical models; Numerical simulation; Numerical studies; Open boundaries; Quality mapping; Uruguay; Boundary conditions; Computer simulation; Hydrodynamics; Rivers; Water levels; Water quality; Mathematical models
Año:2011
Volumen:35
Número:11
Página de inicio:5265
Página de fin:5275
DOI: http://dx.doi.org/10.1016/j.apm.2011.04.013
Título revista:Applied Mathematical Modelling
Título revista abreviado:Appl. Math. Model.
ISSN:0307904X
CODEN:AMMOD
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_0307904X_v35_n11_p5265_Prario.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0307904X_v35_n11_p5265_Prario

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Citas:

---------- APA ----------
Prario, B.E., Dragani, W., Mediavilla, D.G. & D'Onofrio, E. (2011) . Hydrodynamic numerical simulation at the mouths of the Parana and Uruguay rivers and the upper Rio de la Plata estuary: A realistic boundary condition. Applied Mathematical Modelling, 35(11), 5265-5275.
http://dx.doi.org/10.1016/j.apm.2011.04.013
---------- CHICAGO ----------
Prario, B.E., Dragani, W., Mediavilla, D.G., D'Onofrio, E. "Hydrodynamic numerical simulation at the mouths of the Parana and Uruguay rivers and the upper Rio de la Plata estuary: A realistic boundary condition" . Applied Mathematical Modelling 35, no. 11 (2011) : 5265-5275.
http://dx.doi.org/10.1016/j.apm.2011.04.013
---------- MLA ----------
Prario, B.E., Dragani, W., Mediavilla, D.G., D'Onofrio, E. "Hydrodynamic numerical simulation at the mouths of the Parana and Uruguay rivers and the upper Rio de la Plata estuary: A realistic boundary condition" . Applied Mathematical Modelling, vol. 35, no. 11, 2011, pp. 5265-5275.
http://dx.doi.org/10.1016/j.apm.2011.04.013
---------- VANCOUVER ----------
Prario, B.E., Dragani, W., Mediavilla, D.G., D'Onofrio, E. Hydrodynamic numerical simulation at the mouths of the Parana and Uruguay rivers and the upper Rio de la Plata estuary: A realistic boundary condition. Appl. Math. Model. 2011;35(11):5265-5275.
http://dx.doi.org/10.1016/j.apm.2011.04.013