Professional Experience
2026 – present
Founder & Principal Coastal Modelling Specialist
CoastalModelling — The Hague, Netherlands
- Process-based hydrodynamic and morphodynamic modelling
- Storm impact, erosion and flooding assessments
- Long-term shoreline evolution and scenario analysis
- Independent review and validation of modelling studies
- Technical input to feasibility studies and detailed designs
1985 – 2026
Senior Coastal Morphodynamics Specialist
Deltares — Delft, Netherlands
- Core contributor to Delft3D coastal morphodynamic model development
- Principal investigator for coastal morphology
- Technical lead and advisor in international consultant-led projects
- Development of rapid assessment and long-term morphodynamic tools
2005 – 2026
Professor of Coastal Engineering
IHE Delft / TU Delft
- Training of professional engineers and consultants
- Development of XBeach, Duna, ShorelineS, SnapWave
- Supervision of applied MSc and PhD research
- Coordination of internationally funded applied research programmes
Key Qualifications
Coastal hydrodynamics & morphodynamics (1D/2D/3D)
Wave–current–sediment interaction modelling
Storm erosion, overwash & breaching
Delta & estuarine sediment dynamics
Long-term shoreline evolution & management
Nature-based solutions (mangroves, dunes, reefs)
Model development, benchmarking & validation
Independent technical review
Morphodynamic acceleration (MORFAC)
Scenario-based & long-term modelling
Selected Assignments
Forecasting Hurricane Impacts on Coasts (FHICS)
Operational coastal erosion and flooding models for hurricane impact forecasting along the US East Coast and Gulf of Mexico. Client: US Office of Naval Research.
Long-Term Monitoring & Modelling of Bangladesh Coastal Zone
Delta-scale and estuary-scale morphodynamic modelling for long-term coastal planning. Client: Bangladesh Water Development Board / World Bank.
Coastal Erosion of the Lower Mekong Delta
Process-based modelling of erosion, sediment dynamics and coastal protection measures. Client: Agence Française du Développement.
West African Coastal Areas (WACA) – Shoreline Change Modelling
Shoreline evolution models and decision-support tools for coastal management. Client: World Bank.
Coastal Monitoring & Modelling System, Senegal
Integrated short- to long-term modelling and capacity building for a complex river-mouth system. Client: ADM.
Inlet Stabilisation at Grand Bassam
Feasibility studies for stabilisation of the Comoë river mouth; morphodynamic modelling and capacity building.
Coastal Erosion Expert Mission
Strategic advice on coastal erosion: field excursions, expert meetings. Client: Ministry of Environment.
Delft3D Training — Hydraulic Research Institute
Hands-on training in advanced hydrodynamic and morphological modelling tools with Egyptian case studies.
Selected Publications
200+
Peer-reviewed papers
20,000+
Google Scholar citations
65+
h-index
D Roelvink, M Van Ormondt, J Reyns, M Van Der Lugt (2025). SnapWave: fast, implicit wave transformation from offshore to nearshore. Geoscientific Model Development 18(23), 9469–9495.SnapWave
J Reyns, B Jagers, R Ranasinghe, H Kernkamp, D Roelvink (2025). A three-dimensional process-based morphodynamic model on orthogonal unstructured grids. Coastal Engineering, 104915.Delft3D-FM
A Elghandour, J Reyns, S Costas, J Nienhuis, D Roelvink (2023). Coastline evolution due to tidal inlet migration using a free form coastline model. Coastal Sediments 2023, 1181–1187.
H Elmilady, M van der Wegen, D Roelvink, A van der Spek (2022). Modeling the morphodynamic response of estuarine intertidal shoals to sea-level rise. JGR: Earth Surface 127(1).
D Roelvink, B Huisman, A Elghandour, M Ghonim, J Reyns (2020). Efficient modeling of complex sandy coastal evolution at monthly to century time scales. Frontiers in Marine Science 7, 535.ShorelineS
D Roelvink, S Costas (2019). Coupling nearshore and aeolian processes: XBeach and Duna process-based models. Environmental Modelling & Software 115, 98–112.Duna
Dano Roelvink and Ad Reniers (2011). A Guide to Modeling Coastal Morphology. World Scientific, Singapore, 280 pp.
D Roelvink, Ad Reniers, Ap van Dongeren et al. (2009). Modelling storm impacts on beaches, dunes and barrier islands. Coastal Engineering 56(11–12), 1133–1152.XBeach