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Hydrological models are essential tools for assessing, analyzing and developing solutions for natural hydrologic systems (Mostafaie et al., 2018;Wagener et al., 2001). One of the steps in application of these models, is the estimation of their parameters, which is known as model calibration (Guinot et al., 2011;. Parameters of the hydrological models are estimated by comparing the simulated and observed variables of interest (usually streamflow) . The match between simulated and observed variables is expressed using statistical performance measures such as Nash Sutcliffe Efficiency (NSE)

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