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Mode of particle movement
- The term saltation is used for a mode of particle movement in which trajectories of particles show take-off from the bed at moderate to steep angles and descent to the bed at small angles.
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saltation and suspension. 1 of 25. Definition. when coarse particles are all that is on the surface. How are waves generated? What causes them to break onshore? How does wavelength affect wave speed? How do groins indicate the direction of longshore currents and beach drift? How does desert pavement form? 2 of 25. Term.
In geology, saltation (from Latin saltus 'leap, jump') is a specific type of particle transport by fluids such as wind or water. It occurs when loose materials are removed from a bed and carried by the fluid, before being transported back to the surface.
Jun 27, 2021 · Saltation is the dominant mode of particle movement when a strong wind blows over a sand surface. Except in the very strongest winds, the saltation heights attained by the saltating grains seldom exceeds a meter, and the saltation lengths are mostly less than a few meters.
The characteristic mode of motion of sand particles in air is saltation: particles are launched from the bed, take arching trajectories of widely varying heights and lengths, and splash down onto the bed at low angles, commonly rebounding and/or putting other particles into motion.
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