Bring out the major features of the Indian monsoon and elaborate upon its causative factors
Main Body
India Monsoon is unequal of winds in month of June to September bringing 80% of rainfall across India. Features: (1) Arrive in two branches in India (2) Firstly an Manlam Arabian in 1st week of June in Kerala. (3) Post September Graduated Withdrawal from the mainland. (4) Most Rains from Bay of Bengal Branch at Monsoon. (5) Regional precipitation depends on geography, convectional current, cyclonic condition etc
on geography, convectional current, cyclonic condition etc - (6) Concentrated monthly in 3 months across India. Causative Factors: (1) Land Breeze due to subcontinental territory (2) Shifting of ITCZ to north due to intense summer heating (3) Coriolis force → consequence of equatorial wind on Indian subcontinental (4) Heating of Mascarene High → creates low pressure to attract winds (5) Al-Nino → ENSO circulating negatively affected Indian Monsoon (6) Indian Ocean Dipole → Support cloud formation and low pressure on Indian subcontinental (7) MJO (Tallium Oscillation) → gives interseasonal push to monsoon rains in period of drought and before seed (8) La-Nina → positively support monsoon in India (9) India's geography → Himalayas doesn't let monsoon to go beyond Indian territory (10) Cyclonic condition → In month of June near Indian subcontinental → support monsoon
— PAKSHAL SECRETRY · AIR 8
Conclusion
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Diagram
Map of India showing monsoon branches - Bay Branch and Bungal Branch with arrows indicating direction of monsoon advancement
PAKSHAL SECRETRY
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Indian Monsoon Features and Causative Factors
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explanatory
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