QUESTION 6
GS1
10 marks
Discuss the role of aeolian processes in desertification and land degradation.
WRITE IN
7 min
150 words
What the examiner wants
Link wind erosion, transport and deposition to topsoil loss, sand encroachment and self-reinforcing degradation.
DiscussExplain the different sides of the issue, use evidence, and finish with a balanced view.
Demand-wise check
- 1Deflation, abrasion, saltation/suspension and deposition as the relevant aeolian processes≈35 words
- 2Consequences: nutrient/topsoil loss, dune movement, sand burial and vegetation stress≈35 words
- 3How drought, overgrazing and vegetation removal expose surfaces and amplify aeolian degradation≈35 words
Open in about 20 words and close in about 20.
Answer plan
Process chainLand impactsHuman/climatic acceleratorsFeedback loop
Where marks usually go
- Listing aeolian landforms without linking them to degradation
- Treating desertification as caused by wind alone
Value addition
- Wind erosion feedback loop
→ Draw it in the body, next to the point it supports.
Official source anchors
These are authoritative sources selected for this exact PYQ. Where a card is an official-domain anchor rather than a fact-level citation, verify the precise provision, definition or data point on the linked source before using it.
Next: plan for one minute, write it in 7 minutes, then get it checked.