Question Q.16GS1GS2

Bring out the major features of the Indian monsoon and elaborate upon its causative factors.

Main Body

2It moves parallel to the Western Ghats and cause rainfall across region (3) Tamil Nadu does not receive much rainfall during June-July due to being in rain shadow zone. → It receives in December during North-East monsoon. (4) The Bay of Bengal Branch strikes the Arakan hills of Myanmar and start to flow as easterly Paowaiya winds. → This brings rainfall to Bihar, Bengal, north plains etc. (5) North-East, especially Meghalaya, receive very high rainfall due to funnelling effect.

Causes of Indian Monsoon: 1. Setting of low pressure on North India due to ITCZ shift in May 2. Mascarene High in the Indian ocean 3. Impact of Easterly jet streams 4. Impact of Indian Ocean Dipole which is positive when low pressure near Africa 5. Madden Julian Oscillation above Indian ocean El Nino Southern Oscillation: El Nino Supplies monsoon La Nina Brings more rainfall The multiple causes of Indian monsoon give different influence, thus making it difficult for IMD to forecast correctly.

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Conclusion

The multiple causes of Indian monsoon give different influence, thus making it difficult for IMD to forecast correctly.

18 words

Diagram

Concept map showing 'Causes of Indian Monsoon' with branches to: (1) Setting of low pressure on North India due to ITCZ shift in May, (2) Mascarene High in the Indian ocean, (3) Impact of Easterly jet streams, (4) Impact of Indian Ocean Dipole which is positive when low pressure near Africa, (5) Madden Julian Oscillation above Indian ocean. Also shows El Nino Southern Oscillation with El Nino Supplies monsoon and La Nina Brings more rainfall.

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Page 38

Topper

UJJWAL PRIYANK

AIR 102025

Subject & Paper

GS1GS2

Topic

Climate and Weather Systems

Monsoons

Indian Monsoon Features and Causes

Writing Stats

181

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