We report an experimental investigation of the motion of bed load particles under steady and
spatially uniform turbulent flow above a flat sediment bed of uniform grain size. Using a high …

High‐speed imaging of coarse sand particles transported as bed load over a planar bed
reveals that the particle activity, the solid volume of particles in motion per unit streambed …

A high‐resolution data set obtained from high‐speed imaging of coarse sand particles
transported as bed load allows us to confidently describe the forms and qualities of the …

In natural flows, bed sediment particles are entrained and moved by the fluctuating forces,
such as lift and drag, exerted by the overlying flow on the particles. To develop a better …

A model of sand transport in water is produced by combining a turbulence‐resolving large
eddy simulation (LES) with a discrete element model (DEM) prescribing the motion of …

Motion pictures taken at Duck Creek, a clear stream 6.5 m wide and 35 cm deep near
Pinedale, Wyoming, provide detailed, quantitative information on both the modes of motion …

We investigate experimentally the statistical properties of bedload transport induced by a
steady, uniform, and laminar flow. We focus chiefly on lateral transport. The analysis is …

Temporally and spatially averaged models of bedload transport are inadequate to describe
the highly variable nature of particle motion at low transport stages. The primary sources of …

Recent studies have observed deviation from normal (Fickian) diffusion in sediment tracer
dispersion that violates the assumption of statistical convergence to a Gaussian. Nikora et …

We consider a sheet flow in which heavy grains near a packed bed interact with a
unidirectional turbulent shear flow of a fluid. We focus on sheet flows in which the particles …