I am a PhD candidate in the BANX project: Understanding Tidal Sandbank Dynamics and impacts of Sand Extraction in Sediment-Scarce Environments.
I represent junior positions (PhD, EngD, PostDoc) within the Civil Engineering department in the DE&I working group (Diversity Equity & Inclusion).
Expertise
Earth and Planetary Sciences
- Estuaries
- Dune
- Transportation
- Managed Realignment
- Bedform
- Morphodynamics
- Nature-Based Solutions
- Morphology
Organisations
Publications
2026
Semi-implicit time integration of the Exner equation for bedload transport over a non-erodible layer: Application to a tidal sandbank model (2026)Environmental modelling & software, 203. Article 107022. Geerts, S. J., Roos, P. C. & Hulscher, S. J. M. H.https://doi.org/10.1016/j.envsoft.2026.107022How Managed Realignment Modifies Salt Intrusion in Short Estuaries (2026)Journal of geophysical research. Oceans, 131(5). Article e2025JC023485. Bootsma, J., Borsje, B. W., Siemes, R. W. A., Geerts, S. J., van der Wal, D. & Hulscher, S. J. M. H.https://doi.org/10.1029/2025JC023485From Patterns to Practice and Back: Sand Extraction from Sandbanks in Sediment-Scarce Environments (2026)[Contribution to conference › Abstract] 8th International Conference on Marine and River Dune Dynamics, MARID 2026. Geerts, S. J., Roos, P. C. & Hulscher, S. J. M. H.Idealised models: a pleonasm: Modelling studies from the Wadden and North Seas and the Rotterdam waterway (2026)ConcepTueel, 2026(3), 7-11. Geerts, S. J. & Ploeg, W.
2025
Managed Realignment and its Influence on Estuarine Salt Intrusion (2025)[Contribution to conference › Abstract] AGU Annual Meeting 2025. Bootsma, J., Borsje, B. W., Siemes, R. W. A., Geerts, S. J., van der Wal, D. & Hulscher, S. J. M. H.https://agu.confex.com/agu/agu25/meetingapp.cgi/Paper/1908062Modelling the Morphodynamic Response to Sand Extraction from Tidal Sandbanks in Sediment-Scarce Environments (2025)In RCEM 2025: 14th Symposium on River, Coastal and Estuarine Morphodynamics: Barcelona, 1-5 September: Abstract Book (pp. 191-191). Universitat Politècnica de Catalunya. Geerts, S. J., Roos, P. C. & Hulscher, S. J. M. H.Sand Dunes as a Nature‐Based Solution to Mitigate Salt Intrusion in Stratified Estuaries (2025)Journal of geophysical research. Oceans, 130(1). Article e2024JC021103. Geerts, S. J., van der Sande, W. M., Hulscher, S. J. M. H., Geurts, B. J. & Roos, P. C.https://doi.org/10.1029/2024JC021103Modelling tidal sandbank dynamics and impacts of sand extraction in sediment-scarce environments: Literature report (2025)[Book/Report › Report]. University of Twente. Geerts, S. J.
2024
The Influence of Estuarine Sand Dunes on Salt Intrusion (2024)[Contribution to conference › Abstract] NCK Days 2024. Geerts, S. J., van der Sande, W. M., Hulscher, S. J. M. H., Geurts, B. J. & Roos, P. C.https://www.nck-web.org/boa-2024/797-the-influence-of-estuarine-sand-dunes-on-salt-intrusionDelft3D-FLOW input files for publication: "Sand Dunes as a Nature-Based Solution to Mitigate Salt Intrusion in Stratified Estuaries" (2024)[Dataset Types › Dataset]. Zenodo. Geerts, S.https://doi.org/10.5281/zenodo.10804108
Research profiles
Address
University of Twente
Horst Complex (building no. 20), room W211
De Horst 2
7522 LW Enschede
Netherlands
University of Twente
Horst Complex W211
P.O. Box 217
7500 AE Enschede
Netherlands
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