Document Type : Research Article
Abstract
Regional flood analysis is a conventional method for estimation of flood design in ungauged site which its accuracy relates the how much homogeneity is among the stations that used in regional flood frequency. Cluster method is commonly used to regionalization of stations which its accuracy is dependent on identifying the effective basin variables and their weight that it commonly can't accessible. In this research, Canonical Correlation between basin and flow variables was used to identify the region of ungauged site. In this method the pair canonical variables and its relations are able to determine the similarity of stations. This method was applied to Ouroumieh Lake basin and results shown that created homogeneous region of ungauged sites using Canonical Correlation method has more stations and the error of design flood estimation in ungauged sites is low in compare the cluster method
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