Flume experiments of sediment resuspension in wetland vegetation under wave-current conditions

T.J. van Veelen*, H.M. Nepf, S.J.M.H. Hulscher, B.W. Borsje

*Corresponding author for this work

Research output: Contribution to conferenceAbstractAcademic

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Abstract

Understanding s
uspended sediment transport over salt marshes is key to understanding their resilience to adverse conditions (e.g. sea level rise). Salt marshes are vegetated coastal wetlands in the intertidal zone , which contribute to coastal protection . Their vegetation modifies flow patterns, dampens wave action, and triggers
turbulent eddies in its wake. The turbulence resuspends fine particles, which are then transported over the marsh. Our interest lies in identifying the threshold for sediment resuspension under wave current conditions using laboratory experiments , i.e. finding the minimum current and wave velocities under which resuspension occurs. The threshold has previously been studied in conditions with only currents (Liu et al., 2021 and or waves (Tinoco & Coco, but not yet in combination. Identifying this threshold helps to understand when sediment
Original languageEnglish
Number of pages2
Publication statusPublished - 11 Dec 2023
EventAmerican Geophysical Union (AGU) Fall Meeting 2023: Wide. Open. Science - Moscone Center, San Francisco, United States
Duration: 11 Dec 202315 Dec 2023

Conference

ConferenceAmerican Geophysical Union (AGU) Fall Meeting 2023
Country/TerritoryUnited States
CitySan Francisco
Period11/12/2315/12/23

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