There are 3 courses of a river

• upper

• middle

• lower

This is shown on a graph called the LONG PROFILE. The long profile graph shows us 2 things:

• hight and gradient

• steepness

UPPER COURSE

SHAPE

• steep

• narrow

EROSION

• V-SHAPE VALLY

• WATERFALLS

MIDDLE COURSE

SHAPE

• gently sloping

• deeper

EROSION

• meanders

• oxbow lakes

LOWER COURSE

SHAPE

• Flat

• wide

EROSION

• levee

• lateral erosion