The importance of the objective functions and flexibility on calibration of parameters of Clark instantaneous unit hydrograph

• Autorzy: Wałęga A.
• Języki publikacji: EN

Abstrakty

EN

The paper compares the results of automatic calibration of Clark's synthetic unit hydrographs. Optimal values of model parameters were determined by the objective functions: percentage error in peak flow (PEPF), percentage error in volume (PEV), peak-weighted root mean square error (PWRMSE), sum of absolute residuals (SAB.) and sum of squared residuals (SSR). The last part of the analysis assesses the flexibility of studied model. The research was performed in the upland watershed of Grabinka - left tributary of the Wisłoka river located in Southern Poland. The analysis reveals that the smallest differences between the maximum flow in the observed and calculated flood culmination were obtained when applying PWRMSE function. This paper also indicates, that Clark's model was efficient for describing the analyzed floods.

Słowa kluczowe

EN

flood wave; calibration; elasticity; modeling; rainfall

PL

fala powodziowa; kalibracja; sprężystość; modelowanie; opady

• Wydawca: Wydawnictwo Uniwersytetu Rolniczego w Krakowie
• Czasopismo: Geomatics, Landmanagement and Landscape
• Rocznik: 2014
• Tom: no. 2
• Strony: 76--86
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Wałęga A.

• Uniwersytet Rolniczy w Krakowie Katedra Inżynierii Sanitarnej i Gospodarki Wodnej 30-059 Kraków, al. Mickiewicza 24/28

Bibliografia

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