GS1 · 15 marks · 250 words

The Western Ghats and the Northeastern Hills receive some of the highest rainfall during the southwest monsoon in India. Discuss the mechanisms responsible for heavy rainfall in these regions and analyse the monsoon's influence on human life in these regions.

Answered by 3 toppers · CSE 2023–2025

Syllabus: Salient features of World Physical Geography.

How toppers approached it

From all 3 answers · about 280 words · 100% drew a diagram.

Opening

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Body

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Close

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The toppers’ answers

Pakshal SecretryAIR 8 · CSE 2025 · 213 wordsTheir whole copy

Opening · a figure

Mawsynram & Cherrapunji are famous for receiving highest rainfall on Earth. along with them many areas of Western ghat (eg - Ratnagiri) receive > 200 mm rainfall.

Body · points

Mechanism Responsible

(A) North East (i) Orography → due to North East Hills → Orographic Rainfall (ii) Arakam yoma Range → deflection of south west Monsoon into the region (iii) Favourable Climatic Condition for Rainfall as cloudy skies

Diagram
- Map of Northeast India and surroundings showing: - Arrow indicating South west Monsoon entering the region. - Area marked with A's representing Northeast Hill. - Arakam yoma range marked to the east.

(B) Western ghats (i) Mountain Topography → orographic rainfall (ii) closeness to the sea → Sea breeze in region (iii) Direct incidence of Arabian Sea Branch of Monsoon (iv) Presence of favourable climatic condition for Tropical climate

Diagram
- A sketch map of peninsular India showing the Western Ghats. - Arrows pointing from the Arabian Sea towards the Western Ghats labeled "Arabian Sea Branch". - Triangle shapes along the Western Ghats coastline representing mountain topography.

Influence on Human Life

(A) Western ghats (1) Agriculture pattern → eg Mango cultivation in the region (2) Disasters → eg Wayanad landslide due to monsoon (3) Tourism → eg Mahabaleshwar Beauty during Monsoon season (4) Presence of water intensive industries in the Region

(B) North-Eastern Region (5) Presence of slash & burn → jhum cultivation due to high rainfall. (6) Crop cultivation eg Rubber due to high rainfall. (7) Culture eg Monsoon festival and Rubber Bridge of Meghalaya (8) Migration of people during rainy season in Mawsynram

Close · a summary

For India as whole, monsoon and rain system has been a key decider of our local culture, tradition and societal values.

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