Ocean Science
Ocean Science
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Articles | Volume 21, issue 1
Articles | Volume 21, issue 1
https://doi.org/10.5194/os-21-19-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-19-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 1
Research article
 | 
13 Jan 2025
Research article |  | 13 Jan 2025

Disentangling spring–neap suspended particulate matter (SPM) dynamics in estuaries

Yoeri M. Dijkstra, Dennis D. Bouwman, and Henk M. Schuttelaars

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Evolution of the long-term and estuary-scale phytoplankton patterns in the Scheldt estuary: the disappearance of net growth in the brackish region
Dante M. L. Horemans, Yoeri M. Dijkstra, Michèle Tackx, Patrick Meire, and Tom J. S. Cox
Biogeosciences Discuss., https://doi.org/10.5194/bg-2021-59,https://doi.org/10.5194/bg-2021-59, 2021
Manuscript not accepted for further review
Short summary
The iFlow modelling framework v2.4: a modular idealized process-based model for flow and transport in estuaries
Yoeri M. Dijkstra, Ronald L. Brouwer, Henk M. Schuttelaars, and George P. Schramkowski
Geosci. Model Dev., 10, 2691–2713, https://doi.org/10.5194/gmd-10-2691-2017,https://doi.org/10.5194/gmd-10-2691-2017, 2017

Cited articles

Allen, G., Sauzay, G., and Castaing, P.: Transport and deposition of suspended sediment in the Gironde estuary, France, in: Estuarine Processes, edited by: Wiley, M., Elsevier, 63–81, https://doi.org/10.1016/b978-0-12-751802-2.50013-8, 1977. a
Allen, G., Salomon, J., Bassoullet, P., Penhoat, Y. D., and de Grandpré, C.: Effects of tides on mixing and suspended sediment transport in macrotidal estuaries, Sediment. Geol., 26, 69–90, https://doi.org/10.1016/0037-0738(80)90006-8, 1980. a, b
Bouwman, D. D.: The influence of spring-neap cycles on sediment trapping in tide-dominated estuaries, Master's thesis, TU Delft, http://resolver.tudelft.nl/uuid:83975ab7-185c-4dd2-b869-5e8fe435fdba (last access: 9 January 2025), 2019. a
Brouwer, R. L., Schramkowski, G. P., Dijkstra, Y. M., and Schuttelaars, H. M.: Time evolution of estuarine turbidity maxima in well-mixed, tidally dominated estuaries: the role of availability- and erosion-limited conditions, J. Phys. Oceanogr., 48, 1629–1650, https://doi.org/10.1175/jpo-d-17-0183.1, 2018. a, b, c, d, e, f, g
Burchard, H. and Baumert, H.: The formation of estuarine turbidity maxima due to density effects in the salt wedge. A hydrodynamic process study, J. Phys. Oceanogr., 28, 309–321, https://doi.org/10.1175/1520-0485(1998)028<0309:tfoetm>2.0.co;2, 1998. a
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Short summary
Suspended particulate matter (SPM) concentrations in estuaries have been observed to vary strongly over the spring–neap cycle. A systematic framework for analysing the processes causing this SPM variability is missing. In this study we set up such a framework. It is demonstrated using two model cases: an idealised test case and one representative of the Loire estuary. Using this, we explain the locations and timing of maximum concentrations in terms of the governing physical mechanisms.
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