Publication

Innovative approaches to sediment management

Anton Schleiss, Giovanni De Cesare, Jolanda Maria Isabella Jenzer Althaus
2011
Journal Articles

Abstract

Sedimentation close to dams in large and deep reservoirs is mainly related to sediment transport by turbidity currents. The state of the art regarding the management of turbidity currents is presented here, and illustrated with two case studies. Possible solutions, such as the development of physical obstacles and the evacuation of sediments from water intake structures, are proposed.

Official source

https://infoscience.epfl.ch/entities/publication/c716a422-cd11-445e-b987-7290afa5f20b

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Anton Schleiss, Giovanni De Cesare, Jolanda Maria Isabella Jenzer Althaus
2011
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/c716a422-cd11-445e-b987-7290afa5f20b

About this result

Related concepts (32)

Sediment

Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice or by the force of gravity acting on the particles. For example, sand and silt can be carried in suspension in river water and on reaching the sea bed deposited by sedimentation; if buried, they may eventually become sandstone and siltstone (sedimentary rocks) through lithification.

Sediment transport

Sediment transport is the movement of solid particles (sediment), typically due to a combination of gravity acting on the sediment, and the movement of the fluid in which the sediment is entrained. Sediment transport occurs in natural systems where the particles are clastic rocks (sand, gravel, boulders, etc.), mud, or clay; the fluid is air, water, or ice; and the force of gravity acts to move the particles along the sloping surface on which they are resting.

Fluvial processes

In geography and geology, fluvial processes are associated with rivers and streams and the deposits and landforms created by them. When the stream or rivers are associated with glaciers, ice sheets, or ice caps, the term glaciofluvial or fluvioglacial is used. Fluvial processes include the motion of sediment and erosion or deposition on the river bed. The movement of water across the stream bed exerts a shear stress directly onto the bed.

Related publications (4)

Innovative approaches to sediment management

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Effect of Stokes number on erosion on Pelton buckets for sediment-laden flows

Impacts of 3D wave and tidal forcing on nearshore hydrodynamics

Complémentarité de la modélisation physique et numérique à l’exemple d’un aménagement hydroélectrique / Complementarity of physical and numerical modeling using the example of a run-of-river hydropower plant