Coarse sand transport processes in the ripple vortex regime under asymmetric nearshore waves

N Fritsch, G Fromant, D Hurther… - Journal of Geophysical …, 2024 - Wiley Online Library
Large‐scale wave flume experiments are conducted in the ripple vortex regime to study near
bed coarse sand transport processes below asymmetric surface waves typical of the coastal …

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 …

Geometric characteristics of coarse-sand ripples generated by oscillatory flows: a full-scale experimental study

D Wang, J Yuan - Coastal Engineering, 2019 - Elsevier
The shape of vortex ripples generated by wave boundary layers determines the local
hydrodynamics and sediment motions, and therefore is critical for understanding coastal …

Evolution of bed-forms due to associated wave turbulence over a slo** sand bed similar to shoaling zone of sea coast–An experimental approach

K Mondal, S Chaudhuri, VK Das, K Debnath… - Ocean …, 2024 - Elsevier
This paper presents the impact of near-bed turbulence due to only waves on a sediment bed
to analyze the bedform evolutions and formation of ripples over a slo** bed of fine …

An experimental investigation of acceleration‐skewed oscillatory flow over vortex ripples

J Yuan, D Wang - Journal of Geophysical Research: Oceans, 2019 - Wiley Online Library
A full‐scale experimental study of acceleration‐skewed oscillatory flow over vortex ripples,
which is an approximation of wave‐driven flow over a rippled seabed, was conducted in an …

The contribution of sand ripple and slope driven sediment flux to morphologic change of an idealized mound under waves

SB Lee, ME Wengrove, MA de Schipper… - Journal of …, 2023 - Wiley Online Library
We investigate pathways of sediment diffusion for a Gaussian‐shaped sand mound
subjected to monochromatic waves. Our unique results nearly close the sediment budget by …

An experimental study of net sediment transport rate due to acceleration-skewed oscillatory flows over rippled seabeds

D Wang, J Yuan - Coastal Engineering, 2020 - Elsevier
Wave-driven near-bed oscillatory flows can be acceleration-skewed due to the onshore
leaning of shoaling waves in shallow coastal waters. A full-scale experimental study was …

Selection of vortex ripple dimensions in sinusoidal oscillatory flows. Part 1. Ripple dimensions and fluid kinematics

L Yue, TJ Hsu, AR Horner-Devine - Journal of Fluid Mechanics, 2023 - cambridge.org
Subaqueous vortex ripples in equilibrium are characterized by their unique geometry and
dimensions. Motivated by the recent direct numerical simulation study of oscillatory turbulent …

Modeling of net sediment transport rate due to wave-driven oscillatory flow over vortex ripples

D Wang, J Yuan - Applied Ocean Research, 2020 - Elsevier
Abstract A one-dimensional-vertical (1-DV) model is developed for predicting net ripple-
averaged sediment transport rate over a rippled bed under wave-driven oscillatory boundary …

The contribution of morphologic slope on wave, current, and combined wave-current driven sediment flux and ripple geometry on an idealized sand mound

SB Lee - 2023 - ir.library.oregonstate.edu
Sediment convergence and divergence zones create subaqueous morphological features
that range from ripples O (cm) to coastlines O (km). However, there is a gap in knowledge …