Mature | Land

: Large, flat floodplains begin to form as rivers lose velocity and start to meander.

: Vertical erosion (downcutting) slows down while lateral (sideways) erosion becomes dominant, causing narrow V-shaped valleys to broaden into U-shaped ones. mature land

: Rivers develop winding, "S" shaped curves (meanders) and may leave behind crescent-shaped bodies of water known as oxbow lakes. : Large, flat floodplains begin to form as