EVALUATION OF NINE MODELS FOR UNGAUGED URBAN BASINS IN LOUISIANA 1

ABSTRACT: Nine flood‐estimation models used for ungauged urban watersheds in Louisiana were evaluated. Flood‐quantile predictions from simple regression models calibrated by local data were found to be more reliable than those more complicated models or models with many parameters that may not be accurately estimated. Flood prediction from models developed by using regionalization techniques were found to be reasonably good. Finally, application of a model outside of its limitations or domain may lead to substantial prediction error.