Erosion involves the wearing away ... gradually wears them away. Abrasion/Corrasion – the force of the water armed with stones and other materials grinds the channel like a piece of sandpaper.

Erosion is the process that wears away the river bed and banks. Erosion also breaks up the rocks that are carried by the river.

Dr. Ramrattan has developed an advanced Thermal Erosion Tester (TET) to create a realistic assessment of composite friability encountered by the sand mold, by measuring abrasion of a composite sample ...