2016
DOI: 10.29104/phi-aqualac/2016-v8-2-07
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Modelación hidráulica bidimensional de los desbordes el Chañaral y la garrapata del río Pilcomayo

Abstract: Este trabajo pretende obtener los caudales de desborde de El Chañaral y La Garrapata del Río Pilcomayo. Para lograr este objetivo se realizó una modelación numérica bidimensional permanente a fondo fijo y sin transporte de sedimentos de la hidráulica del tramo. La zona de estudio se localiza en la zona que se conoce como Pilcomayo Superior, parte de la cuenca baja del río Pilcomayo, 13 km al noroeste de la localidad Santa Victoria en la provincia de Salta Argentina. Para realizar la modelación se han analizado… Show more

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Cited by 2 publications
(3 citation statements)
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“…The best performing set of input parameters was identified based on 49 runs, each one differing in the value of one or more calibration coefficients or parameters which were always falling within their physicssound range. As an example, the range of values of Chézy's coefficient considered in the calibration runs was derived from the results of previous hydrodynamic computations performed using Manning's coefficient (Baldissone et al, 2013;Brea et al, 2014;Testa Tacchino, 2015) concluding that the values to be used for the Pilcomayo River in the study area fall between 0.018 s/m 1/3 and 0.020 s/m 1/3 , which correspond to Chézy's coefficients in the range of 50 to 65 m 1/2 /s, with the highest values for high flow conditions. The sediment particle diameter was optimized by considering only values falling within the measured range to comply with the estimated value of total yearly sediment transport (Fernández and Garcia, 2017).…”
Section: Results Of Model Calibration and Validationmentioning
confidence: 99%
“…The best performing set of input parameters was identified based on 49 runs, each one differing in the value of one or more calibration coefficients or parameters which were always falling within their physicssound range. As an example, the range of values of Chézy's coefficient considered in the calibration runs was derived from the results of previous hydrodynamic computations performed using Manning's coefficient (Baldissone et al, 2013;Brea et al, 2014;Testa Tacchino, 2015) concluding that the values to be used for the Pilcomayo River in the study area fall between 0.018 s/m 1/3 and 0.020 s/m 1/3 , which correspond to Chézy's coefficients in the range of 50 to 65 m 1/2 /s, with the highest values for high flow conditions. The sediment particle diameter was optimized by considering only values falling within the measured range to comply with the estimated value of total yearly sediment transport (Fernández and Garcia, 2017).…”
Section: Results Of Model Calibration and Validationmentioning
confidence: 99%
“…Comienza como una extensa red de afluentes montañosos en los Andes bolivianos y argentinos. Ingresa a la región del Gran Chaco en la ciudad boliviana de Villamontes y, al tratarse esta de una región extensa y llana y dado que el río contiene una alta carga sedimentaria, es común que cambie su curso mediante colmatación por sedimentos y desbordamiento hacia una o sus dos márgenes, proceso conocido como "enlame" (Testa Tacchino, 2015). Debido a este proceso, en la actualidad no existe un curso continuo en su cuenca media, sino una serie de humedales de agua corriente o estancada cuyo nivel de agua varía según la entrada de agua del Pilcomayo (el Bañado La Estrella).…”
Section: áRea De Estudiounclassified
“…de las entrevistas. Es común que se utilice la expresión "en (determinado) lugar se enlamó" y es el proceso mediante el cual se explica el retroceso del cauce del Pilcomayo en la bibliografía(Testa Tacchino, 2015).…”
unclassified