Integrated modelling of coastal landforms

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Traditionally, independent tools have been used to simulate wave- or wind-driven processes to simulate coastal morphology change. Coupled models that cross the land-sea division and integrate these collective processes can increase our knowledge on complex morphodynamic interactions and improve predictions of the foreshore, beach, and dune evolution. In this paper we present the initial development of a coupled modelling framework capable of numerically predicting the integrated development of coastal landforms, including both marine and aeolian processes, by using a generic model coupling approach that leverages the Basic Model Interface. The aim of this tool is to support the interdisciplinary design of Nature-based Solutions on varying spatiotemporal scales. As shown for the Marker Wadden case, the implemented model functionalities allow for the numerical description of the coast in an integrated manner and thus create opportunities for modeling coastal landform of the nearshore, beach, and dune that would not be possible with a discrete model approach. Specifically, by coupling two discrete numerical models, AeoLiS and XBeach, the aeolian and marine interaction resulted in a more realistic behavior of processes in the intertidal area. After coupling, bed levels compared better to the observations compared to the superpositioned results of both separate model components, which showed the added value and potential of coupled modelling. These findings have implications on the ability to predict spatio-temporal integrated coastal development – including these interacting aerodynamic, hydrodynamic, and ecological processes, which are essential in the interdisciplinary design of NbS.
Original languageEnglish
Title of host publicationCoastal Sediments 2023
Subtitle of host publicationThe Proceedings of the
PublisherWorld Scientific Publishing
Number of pages12
ISBN (Electronic)978-981-127-514-2
ISBN (Print)978-981-127-989-8
Publication statusPublished - 2023
EventCoastal Sediments 2023: Inclusive coastal science and engineering for resilient communities - New Orleans, United States
Duration: 11 Apr 202315 Apr 2023


ConferenceCoastal Sediments 2023
Abbreviated titleCS23
Country/TerritoryUnited States
CityNew Orleans
Internet address

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Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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