The River Valley Flashcards
1
Q
What is it like in the upper course of the river?
A
Steep, V-Shaped, Narrow and shallow channel.
2
Q
What is it like in the middle course of the river?
A
Gentle slopes, Wider, and deeper channel.
3
Q
What is it like in the lower course of the river?
A
Gentler slopes, Flat, Very wide, and deep channel.
4
Q
What does the long profile of a river show?
A
How the gradient of a river changes over the different courses.
5
Q
What does the cross profile of a river show?
A
What a cross-section of the river looks like.
6
Q
What does vertical erosion do?
A
Deepens the river channel, making it V-Shaped - upper course.
7
Q
What does lateral erosion do?
A
Widens the river valley - lower & middle course.
