1. Department of Hydraulic EngineeringDelft University of Technology PO Box 5048 2600 GA Delft the Netherlands
2. Department of Water Engineering, IHE‐Delft PO Box 3015 2601 DA Delft the Netherlands
3. Department of Physical GeographyUtrecht University PO Box 80115 3508 TC Utrecht the Netherlands
4. Faculty of Science, Earth and ClimateVrije Universiteit Amsterdam, De Boelelaan 1085 Amsterdam 1081 HV the Netherlands