Topic– Salient features of world’s physical geography.
1) Explain some of the physical features that are formed in the upper courses of the river?(250 words)
GC Leong – Ch5
Key demand of the question
The question expects us to name and explain the physical features as a result of erosion in upper reaches of the river.
Structure of the answer
Introduction – Explain that the course of the river can be divided into three main stages and in the upper stages the physical features formed are a result of the erosional action of the rivers.
- Explain the phenomena of river capture and the associated physical features such as wind gap, pirating stream, pirated stream etc.
- Explain how rapids, cataracts and waterfalls are formed
- Also explain how duns are formed. Draw diagrams to explain more clearly
Conclusion – Highlight that these features are formed as a result of high pace of river in the upper courses.