1. Assoc. Prof., Faculty of Civ. Engrg., Technion-Israel Institute of Technology, Haifa, Israel. Presently Visiting Scientist, Southwest Watershed Research Center, USDA, Tucson, Arizona
2. Senior Lecturer, Faculty of Civ. Engrg., Technion-Israel Institute of Technology, Haifa, Israel
3. Hydraulic Engr., Hydraulics Lab., Faculty of Civ. Engrg., Technion-Israel Institute of Technology, Haifa, Israel