- Medium gradient.- Valley: gently sloping valley sides. - Channel: wider, deeper.
5 of 8
Lower course
- Gentle gradient.- Valley: - very wide, almost flat. - Channel: very wide, deep.
6 of 8
Vertical erosion
- Deepens river valley (and channel), making it v-shaped. - Dominant in upper-course of river. - High turbulence causes the rough, angular particles to be scraped along river bed, causing intense downwards erosion.
7 of 8
Lateral erosion
- Widens river valley (and channel) during formation of meanders. - Dominant in middle and lower course.
8 of 8
Other cards in this set
Card 2
Front
What is a long profile?
Back
- Shows how gradient (steepness) changes over the different courses.
Comments
No comments have yet been made