'EI Nino' associated with the formation of the South West...

'EI Nino' associated with the formation of the South West Monsoon of India is-
(a) A periodic low pressure center
(b) An abnormally warm ocean current
(c) A periodic warm air-mass
(d) A periodic warm wind

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Key Concepts

El Nino

El Nino is a climatic event characterized by the periodic abnormal warming of sea surface temperatures in the central and eastern equatorial Pacific Ocean. This warming affects atmospheric circulation patterns globally, leading to shifts in weather and precipitation, including impacts on monsoonal systems.

Ocean-Atmosphere Interaction

This concept refers to the dynamic and reciprocal interactions between the ocean and the atmosphere, where changes in sea surface temperature directly influence atmospheric pressure systems, wind patterns, and precipitation. These interactions are central to understanding phenomena like El Nino and their broader climatic effects.

Monsoon Dynamics

Monsoon dynamics encompass the seasonal changes in atmospheric circulation and precipitation patterns, especially the reversal of wind directions due to differential heating of land and sea. These dynamics are crucial for regions relying on monsoonal rains, as variations in phenomena like El Nino can lead to significant deviations in expected rainfall patterns.

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