Question

How are flood plains formed​

Answer 1

Explanation:

Formation. Most floodplains are formed by deposition on the inside of river meanders and by overbank flow. Wherever the river meanders, the flowing water erodes the river bank on the outside of the meander, while sediments are simultaneously deposited in a point bar on the inside of the meander.

Answer 2

Answer:

Flood plains are formed when the meander eroses sideways as it travels downstream. When a river breaks its banks, it leaves behind layers of alluvium (silt) which are gradually being built up to create the floor of the plain.

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