Information Page: Terrestrial Bedforms
Flow over Bedforms
|3D Gravity Current Simulations
Grade level: Graduate / Professional
Statement: Gravity currents invluenced by bedforms and structures
Abstract: Gravity currents move over different bedform topography, ranging from a flat bed to dunes and ribs. These experiments were conducted to evaluate the capacity of gravity currents to propagate over an array of identical obstacles to entrain sediment from the loose channel bed and to carry it downstream for some distance in the form of a turbidity current.
First you can see how the structure, front velocity, energy balance and sediment entrainment capacity of a compositional gravity current is affected by the presence of the obstacles, and then you can see the effect of the shape and size of the obstacles.
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