地理 泛滥平原 ; 地理 河漫滩 ; 洪泛平原 ; 洪泛区
泛滥平原沉积
蛇曲带沉积 ; 蜿曲带沈积 ; 蛇割泛源 ; 泛原曲流弯
A floodplain or flood plain is an area of land adjacent to a stream or river that stretches from the banks of its channel to the base of the enclosing valley walls and experiences flooding during periods of high discharge. It includes the floodway, which consists of the stream channel and adjacent areas that actively carry flood flows downstream, and the flood fringe, which are areas inundated by the flood, but which do not experience a strong current. In other words, a floodplain is an area near a river or a stream which floods when the water level reaches flood stage.
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