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Impacts of wave and tidal forcing on 3D nearshore processes on natural beaches. Part II. Sediment transport

This is the second of two papers on the 3D numerical modeling of nearshore hydro- and morphodynamics. In Part I, the focus was on surf and swash zone hydrodynamics in the cross-shore and longshore directions. Here, we consider nearshore processes with an e ...

Techno-Press2016

Impacts of wave and tidal forcing on 3D nearshore processes on natural beaches. Part I: Flow and turbulence fields

David Andrew Barry, Roham Bakhtyar

The major objective of this study was to develop further understanding of 3D nearshore hydrodynamics under a variety of wave and tidal forcing conditions. The main tool used was a comprehensive 3D numerical model – combining the flow module of Delft3D with ...

Techno-Press2016

Assessing the Hydro-Morphodynamic Response of a Beach Protected by Detached, Impermeable, Submerged Breakwaters: A Numerical Approach

Coastal areas host a large fraction of the world's population and are exposed to natural extreme events, which are a serious threat to human life, as well as to economies. For this reason, sea storms are increasingly the object of studies, and the design o ...

Coastal Education & Research Foundation2016

High-resolution monitoring of bedload transport rates: a benchmark of two approaches (accelerometers and image processing).

Blaise Etienne Marceau Dhont, Gauthier Paul Daniel Marie Rousseau

Experimental and field studies have shown how intermittent bedload transport can be at low flow rates. The development and validation of bedload-transport equations require high-resolution records over long periods of time. Two technologies are considered ...

2016

Hydro‐morphodynamic evolution in a 90° movable bed discordant confluence with low discharge ratio

Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca, Sebastián Guillén Ludeña, António Heleno Cardoso

Confluences with low discharge and momentum ratios, where narrow steep tributaries with high sediment load join a wide low-gradient main channel that provides the main discharge, are often observed in high mountain regions such as in the upper- Rhone river ...

Wiley-Blackwell2015

Bulk velocity measurements by video analysis of dye tracer in a macro-rough channel

Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca, Tamara Ghilardi

Steep mountain rivers have hydraulic and morphodynamic characteristics that hinder velocity measurements. The high spatial variability of hydraulic parameters, such as water depth (WD), river width and flow velocity, makes the choice of a representative cr ...

Institute of Physics2014

Coherent structures in open channel flows with bed load transport over an hydraulically rough bed

Mário Jorge Rodrigues Pereira Da Franca

Excess sediment production in the upper parts of catchments may result in important impacts over morphodynamics of gravel bed-rivers. By changing morphodynamics, sediment overfeeding may induce important changes in the structure of near-bed flow, mainly in ...

CRC Press/Balkema2014

Channel meta-stability: effects on bedload transport.

Christophe Ancey, Joris Heyman, François Mettra

Large fluctuations in the sediment transport rate are observed in rivers, particularly in mountain streams at intermediate flow rates (Ancey, 2006). These fluctuations seem to be, to some degree, correlated with the evolution of morphologies in the stream. ...

2013

Two-phase flow modeling of the influence of wave shapes and bed slope on nearshore hydrodynamics

David Andrew Barry, Roham Bakhtyar, Amir Mehdi Razmi

An Eulerian two-phase flow model (air-water) was used to simulate nearshore hydrodynamic processes driven by wave motion. The flow field was computed with the Reynolds-Averaged Navier-Stokes equations in conjunction with the Volume-Of-Fluid method and the ...

Coastal Education and Research Foundation2013

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Swash

Impacts of wave and tidal forcing on 3D nearshore processes on natural beaches. Part II. Sediment transport

Impacts of wave and tidal forcing on 3D nearshore processes on natural beaches. Part I: Flow and turbulence fields

Assessing the Hydro-Morphodynamic Response of a Beach Protected by Detached, Impermeable, Submerged Breakwaters: A Numerical Approach

High-resolution monitoring of bedload transport rates: a benchmark of two approaches (accelerometers and image processing).

Hydro‐morphodynamic evolution in a 90° movable bed discordant confluence with low discharge ratio

Bulk velocity measurements by video analysis of dye tracer in a macro-rough channel

Coherent structures in open channel flows with bed load transport over an hydraulically rough bed

Sediment transport and flow conditions in steep rivers with large immobile boulders

Channel meta-stability: effects on bedload transport.

Two-phase flow modeling of the influence of wave shapes and bed slope on nearshore hydrodynamics

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Chat with Graph Search

Assessing the Hydro-Morphodynamic Response of a Beach Protected by Detached, Impermeable, Submerged Breakwaters: A Numerical Approach

Impacts of wave and tidal forcing on 3D nearshore processes on natural beaches. Part I: Flow and turbulence fields

Coherent structures in open channel flows with bed load transport over an hydraulically rough bed

Bulk velocity measurements by video analysis of dye tracer in a macro-rough channel

Sediment transport and flow conditions in steep rivers with large immobile boulders

Two-phase flow modeling of the influence of wave shapes and bed slope on nearshore hydrodynamics

Impacts of wave and tidal forcing on 3D nearshore processes on natural beaches. Part II. Sediment transport

High-resolution monitoring of bedload transport rates: a benchmark of two approaches (accelerometers and image processing).

Hydro‐morphodynamic evolution in a 90° movable bed discordant confluence with low discharge ratio

Channel meta-stability: effects on bedload transport.