1. Delft Univ. of Technology, Civil Engineering and Geosciences, Section of Environmental Fluid Mechanics, P.O. Box 5048, 2600 GA Delft, The Netherlands; Deltares (Delft Hydraulics), Delft, The Netherlands.
2. Delft Univ. of Technology, Civil Engineering and Geosciences, Section of Environmental Fluid Mechanics, P.O. Box 5048, 2600 GA Delft, The Netherlands; Deltares (Delft Hydraulics), Delft, The Netherlands (corresponding author).
3. Delft Univ. of Technology, Civil Engineering and Geosciences, Section of Environmental Fluid Mechanics, P.O. Box 5048, 2600 GA Delft, The Netherlands.