Indian Monsoon: UPSC Geography Guide
Learn the monsoon mechanism, variability and links to agriculture, water and disaster preparedness.
Seasonal reversal of winds
The Indian monsoon is shaped by differential heating of land and sea, pressure gradients, the Inter-Tropical Convergence Zone, the Himalayan barrier and the Tibetan Plateau. The south-west monsoon normally advances in branches over the Arabian Sea and the Bay of Bengal.
Why rainfall varies
Relief, distance from the sea, the movement of monsoon troughs, cyclonic systems and ocean-atmosphere phenomena affect when and where rain falls. El Niño and the Indian Ocean Dipole are useful analytical variables, but they do not mechanically determine every season.
UPSC linkage
Connect monsoon variability with crop choices, reservoir management, urban flooding, heat stress, groundwater and disaster preparedness. Draw a simple India map in descriptive answers where relevant and separate causes from impacts and policy responses.
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