Numerical models of sediment transport in estuarine systems rely on parameter values that are often poorly constrained and can vary timescales relevant to model processes. The selection affect the accuracy predictions, while environmental variation these parameters impact temporal spatial ranges fluxes, erosion, deposition real world. We implemented a numerical San Pablo Bay, an embayment withi...

Floc size distribution is one of the key parameters to characterize flocculating cohesive sediment. An Eulerian–Lagrangian framework has been implemented study flocculation dynamics sediments in homogeneous isotropic turbulent flows. Fine sediment particles are modeled as dispersed phase by discrete element method, which tracks motion individual particles. adhesive contact model with rolling fr...

The effects of seagrass bed geometry on wave attenuation and suspended sediment transport were investigated using a modified Nearshore Community Model (NearCoM). The model was enhanced to account for cohesive sediment erosion and deposition, sediment transport, combined wave and current shear stresses, and seagrass effects on drag. Expressions for seagrass drag as a function of seagrass shoot d...

Deposition of sediment inside the conduit structures reduces the flow cross section area and increases the flow roughness which causes reduction of flow discharge passing through the conduit. Among the methods which can prevent sediment deposition is non sedimentation condition in the structure, Since the critical section of the inverted siphon in sedimentation is the outlet. In the begining of...

PURPOSE: The goal of this Coastal and Hydraulics Engineering Technical Note (CHETN) is to evaluate state-of-the-art research efforts concerning predicting sediment transport in desert ephemeral channels. The present day methods used to predict sediment transport were primarily formulated for application to perennial flow channels. Additionally, in the development of sediment transport relations...