Flashcards in The River Valley Deck (6):
What are the features of the upper course?
Steep sides, V shaped valley, narrow and shallow channel
What are the features of the middle course?
Gently sloping valley sides, wider and deeper Chanel
What are the features of the lower course?
Very wide, almost flat valley, very wide and deep channel
What is vertical erosion?
Deepens the river valley and channel making it v shaped
Mainly in upper course
What is lateral erosion?
This widens the river valley and Chanel and is dominant in lower and middle courses