what are the flood plains ?
Answers
Answer:
Explanation:
Floodplains are made by a meander eroding sideways as it travels downstream. When a river breaks its banks, it leaves behind layers of alluvium (silt). These gradually build up to create the floor of the plain.
Answer:
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Flat land bordering a river and made up of alluvium (sand, silt, and clay) deposited during floods. When a river overflows, the floodplain is covered with water.
At the most basic level, a floodplain is an area where there is a river or stream that regularly overflows, and the flooding is often seasonal. It is usually a flat area with steeper sides on the perimeter. A floodplain can be small, large, and sometimes massive. That doesn't mean that every time there's a flood, water fills the floodplain. But eventually, there will be a flood that extends to the edges of the floodplain.