1. PhD Student, Department of Engineering, University of Ferrara, Ferrara, Italy(author for correspondence)
2. (IAHR Member), Associate Professor, Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy
3. Associate Professor, Department of Engineering, University of Ferrara, Ferrara, Italy
4. (IAHR Member),Professor, Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy
5. Professor, Department of Engineering, University of Ferrara, Ferrara, Italy