We would like to thank Krista Dunne (née Patterson) for providing us with the WHC datasets used in this study, as well as Dennis P. Lettenmaier for the observed data over the Mississippi basin. We are also very grateful to Randal Koster, Jan Polcher, and Jennifer Crossley for their helpful comments. This work was supported, in terms of computational facilities, by the Institut du Développement et des Ressources en Informatique Scientifique.
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