<P> A floodplain or flood plain 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 . Levees are the heaviest materials ( usually pebble - size ) and they are deposited first ; silts and sands are finer materials . </P>
<P> A floodplain or flood plain 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 . Levees are the heaviest materials ( usually pebble - size ) and they are deposited first ; silts and sands are finer materials . </P>
an area of land near a river that may be covered with water during a flood is called a
an area of land near a river that may be covered with water during a flood is called a
floodplain or flood plain
floodplain or flood plain