Volume 23, Number 2 (1-2005)                   jame 2005, 23(2): 93-111 | Back to browse issues page

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A.Heidari, B. Saghfian and R. Maknoon. Flood Hydrograph Simulation with Uncertainty in Rainfall - Runoff Parameters. jame. 2005; 23 (2) :93-111
URL: http://jame.iut.ac.ir/article-1-321-en.html

Abstract:   (1088 Views)
Flood hydrograph simulation is affected by uncertainty in Rainfall – Runoff )RR( parameters. Uncertainty of RR parameters in Gharasoo catchment, part of the great Karkheh river basin, is evaluated by Monte–Carlo (MC) approach. A conceptual-distributed model, called ModClark, was used for basin simulation, in which the basin’s hydrograph was determined using the superposition of runoff generated by individual cells dividing the catchment in a raster–based discretization. A narrow parameter range was obtained through application of the MC method. Parameter range depended on goodness of fit measures. The results of various goodness-of-fit measures are discussed in this paper. The selected goodness-of-fit measures gave high weight to peak discharge to reduce peak discharge error.
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Type of Study: Research | Subject: General
Received: 2014/10/25

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