what are flood plains and flood levees
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A floodplain is an area of land adjacent to a stream or river which stretches from the banks of its channel to the base of the enclosing valley walls and which experiences flooding during periods of high discharge. The soils usually consist of levees, silts, and sands deposited during floods.
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A floodplain is the area around a river that is covered in times of flood. It is a very fertile area due to the rich alluvium deposited by floodwaters. ... A build-up of alluvium on the banks of a river can create levees , which raise the river bank
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