1. LR99ES19 Laboratory of Modelling in Hydraulics and Environment (LMHE), National Engineering School of Tunis (ENIT), University of Tunis El Manar, BP 37, Tunis 1002, Tunisia
2. LR20INRGREF04 Laboratory of Rural Engineering, National Institute for Research in Rural Engineering, Water and Forestry (INRGREF), University of Carthage, BP 10, Ariana 2080, Tunisia
3. Division of Water Resources Engineering, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
4. Centre for Advanced Middle Eastern Studies, Lund University, P.O. Box 201, SE-221 00 Lund, Sweden