Cinematic 4K 60 fps. A floodplain or flood plain 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. This is an overflow of water that submerges land. The soils usually consist of clay’s, silts, and sands deposited during floods disaster. Geologically ancient floodplains are often represented in the landscape by fluvial terraces. Remain relatively high above the present indicate former courses. Road way lake large vast aerial viwe fly flying drone wetland grassland prairie moorland lowland meadow steppe wold pasture plateau tableland nature natural deluge inundation flooded agricultural catchment UHD 3840X2160