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Shoreface nourishments: Research advances and future perspectives
van der Werf, J.J.; Huisman, B.J.A.; Price, D.T.; Larsen, B.E.; de Schipper, M.A.; McFall, B.C.; Krafft, D.R.; Lodder, Q.J.; Ruessink, B.G. (2025). Shoreface nourishments: Research advances and future perspectives. Earth-Sci. Rev. 267: 105138. https://dx.doi.org/10.1016/j.earscirev.2025.105138
In: Earth-Science Reviews. Elsevier: Amsterdam; Lausanne; London; New York; Oxford; Shannon. ISSN 0012-8252; e-ISSN 1872-6828, meer
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| Author keywords |
Coastal morphodynamics; Field measurements; Laboratory experiments; Numerical modeling; Shoreface nourishments |
| Auteurs | | Top |
- van der Werf, J.J., meer
- Huisman, B.J.A.
- Price, D.T.
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- Larsen, B.E.
- de Schipper, M.A.
- McFall, B.C.
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- Krafft, D.R.
- Lodder, Q.J.
- Ruessink, B.G.
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| Abstract |
Shoreface nourishments have become a popular management option to mitigate coastal retreat for sites with abundant sand supplies. With shoreface nourishments, relatively large volumes of off-site sand are placed under water in typical water depths of 4–10 m. This part of the nearshore zone has a high bed level variability and contains a myriad of (rhythmic) morphological features. As a result, understanding and forecasting shoreface nourishment morphodynamics and impacts is challenging. Significant progress on this topic is needed in due time, especially in light of emerging climate-change effects. This review paper presents an overview of field, laboratory and numerical modeling studies on shoreface nourishment morphodynamics. We have identified 4 key knowledge gaps. First, the spreading of nourished sand through the coastal zone is poorly understood, and has not been quantified. Second, it is unclear how design variables such as size, placement location and grain-size affect the lifetime, spreading and impact of shoreface nourishments. Third, the cumulative effect of repeated shoreface nourishments (scale: 1–10 km, 1–10 years) on the coastal system as a whole (100+ km, 50+ years) is largely unknown. Fourth, numerical models cannot reliably predict the complete morphological development and impact of shoreface nourishments. To tackle these knowledge gaps we propose a research agenda to ensure the generation and valuation of scientifically robust and societally relevant knowledge |
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