Ice
Water (river)
Mud
butt hole
Rill Erosion.
wind erosion?
A valley itself cannot cause erosion, but can be hugely affected by erosion. Usually Valley erosion is caused by glaciers, a common agent of erosion.
Erosion!
glacier erosion
Gully Erosion
The type of water erosion that forms larger channels down a steep slope is called gully erosion. Gully and rill erosion are the dominant types of water erosion in the world.
butt hole
Rill Erosion.
wave
wind erosion?
The entire valley is from erosion and glaciers.
Ice Water (river) Mud
marsh
Valley Glaciers
A valley itself cannot cause erosion, but can be hugely affected by erosion. Usually Valley erosion is caused by glaciers, a common agent of erosion.