Topic: Distribution of key natural resources across the world (including South Asia and the Indian subcontinent);
1. Discuss in detail the key landforms formed due to groundwater. (250 words)
Physical geography by Savindra Singh
Why this question:
6 people were killed and 10 are believed to be missing after a bus and some pedestrians were swallowed by a sinkhole in China’s Xining city on January 13, 2020.
Key demand of the question:
The answer must discuss the erosional and depositional landforms of groundwater.
Directive:
Discuss – This is an all-encompassing directive – you have to debate on paper by going through the details of the issues concerned by examining each one of them. You have to give reasons for both for and against arguments.
Structure of the answer:
Introduction:
Briefly explain the significance of landforms formed by the action of water.
Body:
In detail explain what actions the groundwater performs.
Define groundwater- The part of rain or snow-melt water which accumulates in the rocks after seeping through the surface is called underground water or simply groundwater.
Explain the features like; Sinkholes and caves are erosional landforms formed due to the action of ground water.
Then move onto explain depositional landforms of groundwater.
Discuss with diagrams the karst landforms associated with groundwater.
Conclusion:
Conclude with significance of such action of ground water in creation of landforms.
