IMIS - Marine Research Groups

Nnafie, Abdel
ORCID

Institute
Expertise
Previous institutes (2)
Publications (38)
Project

Thesaurus terms: Climate change; Coastal and estuarine hydraulics; Hydrodynamics; Morphology; Sediments

Universiteit Utrecht (UU), more

Institutional address:
Universiteit Utrecht Bestuursgebouw
Postbus 80125
3508 TC Utrecht
Netherlands
Tel.: +31-(0)30-253 35 50

Vlaamse overheid; Beleidsdomein Mobiliteit en Openbare Werken; Vlaams Ministerie Mobiliteit en Openbare Werken; Departement Mobiliteit en Openbare Werken; Waterbouwkundig Laboratorium; Eigen Vermogen Flanders Hydraulics (EVFH), more

Period: From 19th Nov 2014 till 31st Aug 2017

Vlaamse overheid; Beleidsdomein Mobiliteit en Openbare Werken; Vlaams Ministerie Mobiliteit en Openbare Werken; Departement Mobiliteit en Openbare Werken; Waterbouwkundig Laboratorium (WL), more

Period: From 19th Nov 2014 till 31st Aug 2017

AvdT Verbetering Morfologisch Instrumentarium, more

A1 Publications (6) [show]
Nnafie, A.; de Swart, H.E.; Boersma, J.M.; Verwaest, T.; Falqués, A. (2024). Presence and Position of Sand Ridges on the Shelf Strongly Impact Decadal Evolution of Adjacent Shorelines: A Model Study. JGR: Earth Surface 129(12): e2024JF007814. https://dx.doi.org/10.1029/2024jf007814, more Krabbendam, J.M.; Roche, M.; Van Lancker, V.R.M.; Nnafie, A.; Terseleer, N.; Degrendele, K.; de Swart, H.E. (2022). Do tidal sand waves always regenerate after dredging? Mar. Geol. 451: 106866. https://dx.doi.org/10.1016/j.margeo.2022.106866, more Hepkema, T.M.; de Swart, H.E.; Nnafie, A.; Schramkowski, G.P.; Schuttelaars, H.M. (2020). Oblique sand ridges in confined tidal channels due to Coriolis and frictional torques. Ocean Dynamics 70(12): 1505-1513. https://dx.doi.org/10.1007/s10236-020-01413-0, more Nnafie, A.; Wolf, T.B.J.; de Swart, H.E. (2020). Tidal sand ridges on the shelf: a numerical study of their natural morphodynamic evolution and response to interventions. Cont. Shelf Res. 205: 104195. https://dx.doi.org/10.1016/j.csr.2020.104195, more Nnafie, A.; de Swart, H.; De Maerschalck, B.; Van Oyen, T.; van der Vegt, M.; van der Wegen, M. (2019). Closure of secondary basins causes channel deepening in estuaries with moderate to high friction. Geophys. Res. Lett. 46(22): 13209-13216. https://dx.doi.org/10.1029/2019gl084444, more Nnafie, A.; Van Oyen, T.; De Maerschalck, B.; van der Vegt, M.; Van der Wegen, M. (2018). Estuarine channel evolution in response to closure of secondary basins: An observational and morphodynamic modeling study of the Western Scheldt Estuary. JGR: Earth Surface 123(1): 167-186. https://dx.doi.org/10.1002/2017jf004364, more
Peer reviewed publication [show]
Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2017). Modeling effects of secondary tidal basins on estuarine morphodynamics, in: 19th EGU General Assembly, proceedings from the conference held 23-28 April, 2017 in Vienna, Austria. Geophysical Research Abstracts, 19: pp. 16500, more
Books (3) [show]
Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2015). Using an idealized morphodynamic modelling approach in addressing complex coastal management problems on long time scales [PRESENTATION]. Presented at the Dunes and Estuaries Conference 2015, Bruges. Flanders Hydraulics Research: Antwerp. 40 slides pp., more Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2015). On the sand exchange between the Scheldt estuary and its mouth: Effects of geometry and quarter-diurnal tide M4 [PRESENTATION]. Flanders Hydraulics Research: Antwerp. 30 slides pp., more van der Werf, J.; van Oyen, T.; De Maerschalck, B.; Nnafie, A.; van Rooijen, A.; Taal, M.; Tonnon, P.K.; Verwaest, T.; de Vet, L.; Vroom, J.; Van der Wegen, M. (2015). Modeling the hydro-morphodynamics of the mouth of the Scheldt estuary. IAHR: The Hague. 9 pp., more
Book chapters (5) [show]
Nnafie, A.; Verwaest, T.; Dujardin, A.; Röbke, B. (2024). Longshore sediment transport in the nearshore zone: role of tides, in: EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024. pp. EGU24-12489. https://doi.org/10.5194/egusphere-egu24-12489, more Nnafie, A.; Van Oyen, T. (2017). Effects of extreme wave and wind events on morphodynamics of estuaries: An idealized model study, in: Baptist, M. et al. (Ed.) NCK days 2017, 15 – 17 March, Royal Netherlands Naval College (KIM), Den Helder: book of abstracts. pp. 87, more Van Oyen, T.; Nnafie, A.; De Maerschalk, B. (2016). Impact of anthropogenic measures on the Scheldt mouth morphodynamics, in: Degraer, S. et al. (Ed.) North Sea Open Science Conference 7-10/11/2016. Abstract Booklet. pp. 59, more Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2015). Using an idealized morphodynamic modelling approach in addressing complex coastal management problems on long time scales, in: International Conference Dunes and Estuaries 2015: Restoration of Tidal and Estuary Areas, Bruges, 16 -18 September 2015: programme and abstracts book. pp. 33, more van der Werf, J.; Van Oyen, T.; De Maerschalck, B.; Nnafie, A.; van Rooijen, A.; Taal, M.; Verwaest, T.; de Vet, L.; Vroom, J.; Van der Wegen, M. (2015). Modeling the morphodynamics of the mouth of the Scheldt estuary, in: Scheldt Estuary: physics and integrated management - Special Session on of the 36th IAHR WORLD CONGRESS, 28 June – 3 July, 2015, Delft and The Hague, the Netherlands. pp. 80-86, more
Thesis [show]
Nnafie, A. (2014). Formation and long-term evolution of shoreface-connected sand ridges: modeling the effects of sand extraction and sea level rise. PhD Thesis. Utrecht University: Utrecht. ISBN 978-90-393-6258-7. vii, 142 pp., more
Abstracts (9) [show]
Dujardin, A.; Houthuys, R.; Nnafie, A.; Röbke, B.; Verwaest, T. (2023). MOZES: Research on the morphologic interaction between the sea bottom and the Belgian coastline, in: Mees, J. et al. Book of abstracts – VLIZ Marine Science Day, 1 March 2023, Bruges. VLIZ Special Publication, 90: pp. 56-57, more Nnafie, A.; de Swart, H.E.; De Maerschalck, B. (2018). Morphodynamic impact of sea-level rise on the Western Scheldt estuary and its mouth region: insights from an idealized modeling study , in: NCK days 2018. Geo-logic in coastal and shelf research: a matter of multi-disciplinarity: book of abstracts. pp. 68, more Van Oyen, T.; Nnafie, A. (2017). Influence of anthropogenic measures on large-scale estuarine morphodynamics, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Marine Scientist Day. Brugge, Belgium, 3 March 2017. VLIZ Special Publication, 79: pp. 91, more Brand, E.; Van Oyen, T.; Nnafie, A. (2016). The driving mechanisms behind morphological changes in the Western Scheldt mouth area over the past two centuries – a data analysis, in: NCK days 2016, 16 - 18 March: book of abstracts. pp. 14, more Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2016). Reproducing the morphology of the Scheldt mouth using an idealized process based model, in: NCK days 2016, 16 - 18 March: book of abstracts. pp. 51, more Nnafie, A.; Van Oyen, T.; De Maerschalk, B. (2016). Influence of geometry, initial bathymetry and sediment availability on the morphodynamic evolution of the Scheldt mouth area, based on numerical modelling, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Marine Scientist Day. Brugge, Belgium, 12 February 2016. VLIZ Special Publication, 75: pp. 82, more Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2016). Modeling morphodynamic response of estuaries to closure of secondary tidal basins, in: Meire, P. (Ed.) Book of abstracts: ECSA Local Meeting 2016. Estuarine Restoration: from theory to practice and back, University of Antwerp, Antwerp, Belgium, 5-9 July 2016. VLIZ Special Publication, 77: pp. 50, more Nnafie, A.; Van Oyen, T.; De Maerschalck, B.; Verwaest, T.; van der Werf, J.J.; Van der Wegen, M.; Vroom, J.; Taal, M. (2015). On the sand exchanges between the Scheldt estuary and its ebb-tidal delta: An idealized model study, in: NCK - days 2015: book of abstracts, March 18-20, 2015. pp. 43, more Nnafie, A.; De Maerschalck, B.; van der Werf, J.; Vroom, J.; van Rooijen, A.; van der Wegen, M.; Taal, M.; Verwaest, T.; Van Oyen, T. (2015). A modeling analysis of the morphodynamics of the Scheldt mouth, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Young Scientists’ Day. Brugge, Belgium, 20 February 2015. VLIZ Special Publication, 71: pp. 97, more
Reports (10) [show]
Dujardin, A.; Houthuys, R.; Nnafie, A.; Röbke, B.; van der Werf, J.; de Swart, H.E.; Biernaux, V.; De Maerschalck, B.; Dan, S.; Verwaest, T. (2024). MOZES – Research on the Morphological Interaction between the Sea bottom and the Belgian Coastline: Working year 2. Version 4.0. FH reports, 20_079_2. Flanders Hydraulics: Antwerp. IX, 132 + 30 p. app. pp. https://dx.doi.org/10.48607/244, more Dujardin, A.; Houthuys, R.; Nnafie, A.; Röbke, B.; van der Werf, J.; de Swart, H.E.; Biernaux, V.; De Maerschalck, B.; Dan, S.; Verwaest, T. (2023). MOZES – Research on the Morphological Interaction between the Sea bottom and the Belgian Coastline: working year 1. Version 4.0. FH reports, 20_079_1. Flanders Hydraulics: Antwerp. XII, 155 + 6 p. app. pp. https://dx.doi.org/10.48607/176, more Nnafie, A.; De Maerschalck, B.; Vanlede, J.; Schramkowski, G.; Mostaert, F. (2018). Morphodynamic modeling of the Scheldt estuary and its mouth: Effects of sea level rise. Version 2.0. FHR reports, 14_094_8. Flanders Hydraulics Research: Antwerp. VII, 21 pp., more De Maerschalck, B.; Dijkstra, J.; Nnafie, A.; Vroom, J.; van Oyen, T.; Röbke, B.R.; van der Werf, J.; Van der Wegen, M.; van Maren, B.; Taal, M.; Vanlede, J.; Verwaest, T.; Mostaert, F. (2017). Modellering Belgische kustzone en Scheldemonding: deelrapport 3. Modellering van de morfologische effecten na aanleg nieuwe Geul van de Walvischstaart. Versie 3.0. WL Rapporten, 15_068_3. Waterbouwkundig Laboratorium/Deltares: Antwerpen. XV , 64 + 12 p. bijl. pp. https://dx.doi.org/10.48607/297, more Nnafie, A.; van Oyen, T.; De Maerschalck, B.; Plancke, Y.; Mostaert, F. (2017). Morphodynamic modelling of the Scheldt mouth: effects of waves. Version 3.0. FHR reports, 14_094_6. Flanders Hydraulics Research: Antwerp. VII, 34 pp., more Nnafie, A.; De Maerschalck, B.; Vanlede, J.; Schramkowski, G.; Verwaest, T.; Mostaert, F. (2017). Morphodynamic modelling of the Scheldt mouth: effects of extreme wave and wind events. Version 2.0. FHR reports, 14_094_7. Flanders Hydraulics Research: Antwerp. VII, 31 pp., more Nnafie, A.; van Oyen, T.; De Maerschalck, B.; Plancke, Y.; Verwaest, T.; Mostaert, F. (2017). Modeling long-term morphodynamic evolution of the Scheldt estuary and its mouth area: Effects of secondary tidal basins. Version 2.0. FHR reports, 14_094_5. Flanders Hydraulics Research: Antwerp. VIII, 23 pp., more Schramkowski, G.P.; Nnafie, A.; Verwaest, T.; Mostaert, F. (2017). Geïdealiseerde processtudie van systeemovergangen naar hypertroebelheid: WP 1.2 literatuurstudie getijwerking en zouttransport in een estuarium. Versie 2.0. WL Rapporten, 13_103_1. Waterbouwkundig Laboratorium: Antwerpen. VI, 25 pp., more Brand, E. (2016). The driving mechanisms behind morphological changes in the Western Scheldt mouth area over the past two centuries: a data analysis. Utrecht University/Flanders Hydraulics Research: Utrecht. 47 pp., more Van Oyen, T.; van der Vegt, M.; De Maerschalck, B.; Nnafie, A.; Verwaest, T.; Mostaert, F. (2016). Improving long-term morphological modelling tools: subreport 1. Literature review: morphology of the Scheldt estuary mouth. version 4.0. WL Rapporten, 14_094. Flanders Hydraulics Research: Antwerp. IV, 29 pp., more
Other publications (3) [show]
Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2017). Effects of closure of secondary basins on depths of estuaries: insights from an observational and modeling study of the Western Scheldt estuary [POSTER]. Presented at the 25th NCK days, Den Helder, Netherlands . Flanders Hydraulics Research: Antwerp. 1 poster pp., more Nnafie, A.; Van Oyen, T.; De Maerschalck, B. (2016). Long-term morphodynamic evolution of the Scheldt mouth area: an idealized model study [POSTER]. Flanders Hydraulics Research: Antwerp. 1 poster pp., more Nnafie, A.; De Maerschalck, B.; van der Werf, J.; Vroom, J.; van Rooien, A.; Van der Wegen, M.; Taal, M.; Verwaest, T.; Van Oyen, T. (2015). A modeling analysis of the morphodynamics of the Scheldt mouth [POSTER]. Poster presented at the VLIZ Young Marine Scientist's Day 20 February 2015. Flanders Hydraulics Research/Deltares: Antwerpen, Delft. 1 poster pp., more

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IMIS - Marine Research Groups