River Erosion Processes Flashcards
1
Q
erosion
A
when a river wears away the land
2
Q
1- Hydraulic action
A
the force of air and water being pushed into cracks in the bed and bank enlarging them over time.
3
Q
2-Abrasion
A
the river’s load scrapes against the bed and banks wearing it away.
4
Q
3-Attrition
A
the load carried by the river bump into each other and become smoother, smaller and rounder over time.
5
Q
4-Solution
A
the chemical action of river water.
the acids in the water slowly dissolve the bed and banks.