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Revista Ingenierías Universidad de Medellín
versión impresa ISSN 1692-3324
Resumen
OCAMPO, Olga Lucía y VELEZ, Jorge Julián. Comparative analysis of continuous simulation hydrological models in high-mountain watersheds: Chinchiná River case. Rev. ing. univ. Medellín [online]. 2014, vol.13, n.24, pp.43-58. ISSN 1692-3324.
Hydrological modelling is the basis for the comprehensive management of hydrological resources, and in the case of high-mountain watersheds, it involves a complex physicochemical process interaction. This study, conducted in the Chinchiná river watershed (Colombia), poses a multi-model analysis in order to capture the uncertainty associated with the hydrological modelling by means of seven hydrological models, continuous simulation rain-runoff, monthly-scale aggregates, with different complexity levels. The capability to reflect the hydrological response was analyzed through graphical and statistical methods. The results exhibited in the statistical indicators, the hydrographs, and the discharge duration curves allow a better compression of the runoff in high-mountain watersheds. The Tetis and abcd concept models, as well as the ARMA (1,1) Salas & Smith auto-regressive model, satisfactorily captured the mean discharge, and they could be applied for the estimation in non-appraised watersheds in the zone of the study.
Palabras clave : multi-model analysis; non-appraised watersheds; hydrological models; continuous simulation.