terms used for rivers accessories

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Dam

A dam is an artificial barrier built across a river with the purpose of storing water to be utilised for generation of electricity, irrigation etc.

Barrage

A barrage is a kind of diversion dam intended to control the flow of water with the use of large number of gates provided in it.

Gorge

A gorge is a steep ravine between hills or mountains usually created by the erosive activity of a river over hundreds of years.

Meander

A meander is a bend in the course of a river. A meander forms when moving water in a stream erodes the outer banks and widens its valley, and the inner part of the river has less energy and deposits silt.

Tributary

A stream or river which flows into another river. The place at which the two rivers join is known as the confluence.

Distributary

A distributary is a river which branches off from the main river to merge into the sea. A distributary is the opposite of tributary. Distributaries are common feature at the deltas.

Hydraulic Action

It is type of erosion of the banks of a river caused by the movement of water. When flowing water strikes against the surface, it causes mechanical weathering.

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