Cross profile Flashcards
1
Q
What does the cross profile show?
A
what a cross-section of the river channel or river valley looks like.
2
Q
Upper stage cross profile
A
steep V shapes. Vertical erosion creates narrow valley floors and steeply sloped sides
3
Q
Middle stage cross profile
A
wider valley, due to lateral erosion. Deposition creates floodplain
4
Q
Lower stage cross profile
A
wide valley, gently sloping sides, wider flood plain caused by deposition.