Affiliation: | 1. Department of Mathematics, University of Padua, Padua, Italy;2. Biosphere 2—University of Arizona, Tucson, USA;3. Department of Hydrology and Water Resources, University of Arizona, Tucson, USA;4. Institut National de la Recherche Scientifique, Centre Eau Terre Environnement (INRS-ETE), Quebec City, Canada |