River courses and erosion + transportation

Question 1

Features of Upper course?

Answer 1

• Gradient is steep
• Discharge is small
• Depth is shallow
• Channel shape is narrow with steep sides
• velocity is quite fast
• valley has steep sides
• waterfalls and interlocking spurs are found here

Question 2

Features of Middle course?

Answer 2

• gradient is less steep
• discharge is large
• depth is deeper
• channel and valleys shape is flat with steep sides
• velocity is fast
• meanders and floodplains are found here

Question 3

Features of Lower course?

Answer 3

• gradient is shallow
• discharge is very large
• depth is deep
• channel and valley shape is flat with gently sloping sides
• velocity is very fast
• meanders, floodplains, levees and ox-bow lakes are found here