Articles | Volume 16, issue 2
https://doi.org/10.5194/os-16-307-2020
https://doi.org/10.5194/os-16-307-2020
Research article
 | 
11 Mar 2020
Research article |  | 11 Mar 2020

Effects of sea-level rise on tides and sediment dynamics in a Dutch tidal bay

Long Jiang, Theo Gerkema, Déborah Idier, Aimée B. A. Slangen, and Karline Soetaert

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Approach: Numerical Models | Depth range: Shelf-sea depth | Geographical range: Shelf Seas | Phenomena: Tides
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Cited articles

4TU.Research Data: https://data.4tu.nl/, last access: 2 March 2020. 
Arbic, B. K. and Garrett, C.: A coupled oscillator model of shelf and ocean tides, Cont. Shelf Res., 30, 564–574, https://doi.org/10.1016/j.csr.2009.07.008, 2010. 
Arns, A., Wahl, T., Dangendorf, S., and Jensen, J.: The impact of sea level rise on storm surge water levels in the northern part of the German Bight, Coast. Eng., 96, 118–131, https://doi.org/10.1016/j.coastaleng.2014.12.002, 2015. 
Bhuiyan, M. J. A. N. and Dutta, D.: Assessing impacts of sea level rise on river salinity in the Gorai river network, Bangladesh, Estuar. Coast. Shelf S., 96, 219–227, https://doi.org/10.1016/j.ecss.2011.11.005, 2012. 
Brown, J. M. and Davies, A. G.: Flood/ebb tidal asymmetry in a shallow sandy estuary and the impact on net sand transport, Geomorphology, 114, 431–439, https://doi.org/10.1016/j.geomorph.2009.08.006, 2010. 
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Short summary
A model downscaling approach is used to investigate the effects of sea-level rise (SLR) on local tides. Results indicate that SLR induces larger increases in tidal amplitude and stronger nonlinear tidal distortion in the bay compared to the adjacent shelf sea. SLR can also change shallow-water tidal asymmetry and influence the direction and magnitude of bed-load sediment transport. The model downscaling approach is widely applicable for local SLR projections in estuaries and coastal bays.