From ripples to large-scale sand transport: The effects of bedform-related roughness on hydrodynamics and sediment transport patterns in delft3d

L Brakenhoff, R Schrijvershof, J van der Werf… - Journal of Marine …, 2020 - mdpi.com
Bedform-related roughness affects both water movement and sediment transport, so it is
important that it is represented correctly in numerical morphodynamic models. The main …

Surfzone bedform migration and sediment flux implications to large scale morphologic evolution

ME Wengrove, MA de Schipper, TC Lippmann… - Geomorphology, 2022 - Elsevier
Field observations of small scale seabed morphology were obtained over 4 weeks at two
locations separated 66 m along a cross-shore transect during the 2014 MEGAPEX …

A numerical study of onshore ripple migration using a Eulerian two‐phase model

A Salimi‐Tarazouj, TJ Hsu, P Traykovski… - Journal of …, 2021 - Wiley Online Library
A new modeling methodology for ripple dynamics driven by oscillatory flows using a
Eulerian two‐phase flow approach is presented in order to bridge the research gap between …

Observations of bedform migration and bedload sediment transport in combined wave‐current flows

ME Wengrove, DL Foster, TC Lippmann… - Journal of …, 2019 - Wiley Online Library
Bedload transport is an important mechanism for sediment flux in the nearshore. Yet few
studies examine the relationship between bedform evolution and net sediment transport …

Observations of net sediment transport rate and boundary layer of wave–current flows over vortex ripples

J Yuan - Coastal Engineering, 2023 - Elsevier
In shallow coastal regions, shoaling waves and current together determine the net sediment
transport rate, Q net, which is critical for understanding coastal morphodynamics. Moderate …

Current-and wave-generated bedforms on mixed sand–clay intertidal flats: A new bedform phase diagram and implications for bed roughness and preservation …

JH Baas, J Malarkey, ID Lichtman… - Frontiers in Earth …, 2021 - frontiersin.org
The effect of bedforms on frictional roughness felt by the overlying flow is crucial to the
regional modelling of estuaries and coastal seas. Bedforms are also a key marker of …

Investigating wave shape effect on sediment transport over migrating ripples using an eulerian two-phase model

A Salimi-Tarazouj, TJ Hsu, P Traykovski, J Chauchat - Coastal Engineering, 2024 - Elsevier
A Reynolds-averaged two-phase Eulerian model for sediment transport, SedFoam, is
utilized in a two-dimensional domain for a given sediment grain size, flow period, and …

Observations of near-bed orbital velocities and small-scale bedforms on the Dutch lower shoreface

JJ Van Der Werf, RA Schrijvershof… - Ocean & coastal …, 2022 - Elsevier
The lower shoreface, with water depths between about 8 and 20 m, forms the transition
between the inner shelf and upper shoreface. Knowledge of the lower shoreface is …

Spatio‐temporal characteristics of small‐scale wave–current ripples on the Ameland ebb‐tidal delta

L Brakenhoff, M Kleinhans, G Ruessink… - Earth Surface …, 2020 - Wiley Online Library
Ebb‐tidal deltas are highly dynamic environments affected by both waves and currents that
approach the coast under various angles. Among other bedforms of various scales, these …

Discontinuity in equilibrium wave‐current ripple size and shape and deep cleaning associated with cohesive sand‐clay beds

X Wu, R Fernandez, JH Baas… - Journal of …, 2022 - Wiley Online Library
Mixtures of cohesive clay and noncohesive sand are widespread in many aquatic
environments. Ripple dynamics in sand‐clay mixtures have been studied under current …