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DYNA

versão impressa ISSN 0012-7353

Resumo

CARVAJAL, LUIS FERNANDO  e  ROLDAN, ERNESTO. CALIBRATION OF GR4J LUMPED RAINFALL-RUNOFF MODEL APPLICATION: RIO ABURRÁ CACHTMENT. Dyna rev.fac.nac.minas [online]. 2007, vol.74, n.152, pp.73-87. ISSN 0012-7353.

This job shows the calibration of GR4J lumped rainfall-runoff model in eight subcachtmens of the Aburra river cachtment. This model is considered parsimonious because it only has four parameters. The calibration included the optimization of parameters. The fitting was verified with four performance criteria and the simulated and gauged streamflow duration curves are compared. The results show a quit good calibration. There is that to have into account the cachtment area varability, in the same way the evaporation and the efect of waste water in the streamflow regime because to the urban zone.

Palavras-chave : rainfall-runoff model; model calibrating; surface hydrology; rural-urban cachtment.

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