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A CRITICAL APPROACH TO THE CALIBRATION OF A WATERSHED MODEL (1997)

Jacomino, V. M. F. ; Fields, D. E.

Oxford, UK : Blackwell Publishing Ltd

Journal of the American Water Resources Association 33 (1997), S. 0

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ISSN: 1752-1688

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Architektur, Bauingenieurwesen, Vermessung , Geographie

Notizen: : A complex watershed-scale water quality simulation model, the Hydrological Simulation Program-FORTRAN (HSPF) model, was calibrated for a 16 km2 catchment. The simulation step size was 0.33 hours with predicted and recorded hydrologic flows compared on an annual and monthly basis during a total calibration period of four years. Unguided numerical optimization when applied alone did not yield a model parameter set with acceptable predictive capability; instead, it was necessary to apply a critical process that included sensitivity analysis, numerical optimization, and testing of derived model parameter sets to evaluate their performance for periods other than those for which they were determined. Using this critical calibration process, the model was proven to have significant predictive capability. Numerical optimization is an aid for model calibration, but it must not be used blindly.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1752-1688.1997.tb04091.x

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