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Issue 10 (2) 2011 pp. 47–56

Andrzej Wałęga, Magdalena Grzebinoga, Bartłomiej Paluszkiewicz

ON USING THE SNYDER AND CLARK UNIT HYDROGRAPH FOR CALCULATIONS OF FLOOD WAVES IN A HIGHLAND CATCHMENT (THE GRABINKA RIVER EXAMPLE)

Keywords: synthetic unit hydrograph, objective function, optimisation
Abstract: Using the highland catchment of the Grabinka river located in the Wisłoka drainage basin as an example we assessed the capability of Snyder’s and Clark’s synthetic unit hydrograph (SUH) to simulate flood wave. Calibration for model parameters was based on a rainfall episode recorded in June 2006. We adopted the minimum of the objective function as an optimisation criterion. The quality of the models was evaluated using the efficiency coefficient E. Analysis showed that both Snyder’s and Clark’s SUH describe properly the observed wave, with the first model yielding somewhat better results. For both SUH the times to culmination were the same as for the observed wave, whereas the calculated culmination discharge differed from the observed one: for Snyder’s SUH it was 0.11% higher, and for Clark’s SUH 1.9% lower than the observed discharge.
pub/10_2_47.pdf Full text available in in Adobe Acrobat format:
http://www.formatiocircumiectus.actapol.net/volume10/issue2/10_2_47.pdf

For citation:

MLA Wałęga, Andrzej, et al. "ON USING THE SNYDER AND CLARK UNIT HYDROGRAPH FOR CALCULATIONS OF FLOOD WAVES IN A HIGHLAND CATCHMENT (THE GRABINKA RIVER EXAMPLE)." Acta Sci.Pol. Form. Cir. 10.2 (2011): 47–56.
APA (2011). . Acta Sci.Pol. Form. Cir. 10 (2), 47–56
ISO 690 WAłęGA, Andrzej, GRZEBINOGA, Magdalena, PALUSZKIEWICZ, Bartłomiej. ON USING THE SNYDER AND CLARK UNIT HYDROGRAPH FOR CALCULATIONS OF FLOOD WAVES IN A HIGHLAND CATCHMENT (THE GRABINKA RIVER EXAMPLE). Acta Sci.Pol. Form. Cir., 2011, 10.2: 47–56.
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Streszczenie w języku polskim:
http://www.formatiocircumiectus.actapol.net/tom10/zeszyt2/abstrakt-47.html