Erosion Flashcards
1
Q
What is headward erosion
A
makes a river longer. Happens near a river’s source as throughflow and surface runoff causes erosion at the point the water enters the river channel.
2
Q
What is vertical erosion
A
deepens river channels. Happens in the upper stage of the river
3
Q
What is lateral erosion
A
makes the river wider. Happens in the middle and lower stages of a river