1. CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, avenida General Norton de Matos, s/n, 4450-208 Matosinhos, Portugal
2. Department of Civil Engineering, FEUP—Faculty of Engineering of the University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal