Fluvial move is the process by which a flow carries that is load. Load varies in size from huge angular boulders in the upper course to fine, exposed sedimentin the reduced course. Fill mainly comes from weathered product that has actually rolled under the hillside into the flow bed. However, it likewise comes native the eroded bed and also banks that the river.
Rivers transport product in four ways:Solution
– minerals are liquified in the water and also carried along in solution. This frequently occurs in areas where the underlying radical is limestone or chalk;Suspension
– fine, light product such as alluvium is brought along in the water. This is known as rely load. The fill bounces in line with the rise and fall in the velocity that the river;Saltation
– tiny pebbles and also stones space bounced follow me the river bed;Traction
– large boulders and also rocks room rolled along the river bed. The load lugged this means is referred to as bed load.
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Processes of transportation by a river
The video below shows the activity of sediment in a river. Notice the different types of processes of transport at work including traction (rolling of product over the river bed) saltation (bouncing movement) and suspension (material suspended in the water).
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