Depositional plains are low-lying areas that have been formed by the deposition of sediments by rivers, wind, or ocean currents. These plains are typically flat or gently sloping and are often characterized by fertile soils, making them important agricultural regions.
Some examples of depositional plains include:
- River floodplains: These plains are formed by the deposition of sediments by rivers during floods. One example is the Indo-Gangetic plain in India, which is formed by the deposition of sediments by the Ganges, Brahmaputra, and Meghna rivers.
- Deltaic plains: These plains are formed by the deposition of sediments by rivers as they flow into the ocean or a lake. One example is the Nile delta in Egypt, which is formed by the deposition of sediment by the Nile River as it flows into the Mediterranean Sea.
- Alluvial plains: These are depositional plains that are formed at the base of mountain ranges by the deposition of sediment carried by rivers. One example is the Bhabhar plain in northern India, which is formed by the deposition of sediment carried by the Sutlej and Yamuna rivers.
- Glacial outwash plains: These plains are formed by the deposition of sediments carried by glacial meltwater as it flows out of a glacier. One example is the Great Plains of North America, which are formed by the deposition of sediment carried by meltwater from the Laurentide Ice Sheet.