Question

Define Sedimentation. and explain

Answer 1

Sedimentation is the tendency for particles insuspension to settle out of the fluid in which they are entrained and come to rest against a barrier. This is due to their motion through the fluid in response to the forces acting on them: these forces can be due to gravity, centrifugal acceleration, or electromagnetism. In geology, sedimentation is often used as the opposite of erosion, i.e., the terminal end of sediment transport. In that sense, it includes the termination of transport by saltation or truebedload transport. Settling is the falling of suspended particles through the liquid, where as sedimentation is the termination of the settling process. In estuarine environments, settling can be influenced by the presence or absence of vegetation. Trees such as mangroves are crucial to the attenuation of waves or currents, promoting the settlement of suspended particles

Answer 2

Sediment is the process in which sediment settles down at the bottom of the container because of gravity.

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