Explain how a river develops from its source to its mouth including the physical features found at each stage. (5 marks)
There are three main stages of a river. Under each stage are some of the most popular characteristics found at each stage
Youthful stage / upper stage / mountain stage
Steep gradient
Pot holes common
V shaped valley
Fast current
Rapids
Waterfalls
Mature stage / middle stage / valley stage
Less steep than youthful stage
U shaped valley
Slower current
Some meanders
Senile stage / lower stage / plain stage
Shallow gradient
Flat flood plain
Slow current
Meanders
Ox bow lakes
Levees
Deltas