What Is Meant By Southern Oscillation? State An Important Feature Of It

By Ruchika|Updated : September 5th, 2022

Southern Oscillation refers to the variations in the wind and sea surface temperature that shift between the tropical eastern Pacific Ocean and the Indian Ocean. It is generally referred to as the phenomenon where air pressure shifts. An important feature of Southern Oscillation is the El-Nino, which is why is it also known as ENSO or El-Nino Southern Oscillation.

Southern Oscillation and its Feature

Southern Oscillation refers to the shifting temperature, air pressure and sea surface temperatures between Pacific and Indian oceans. During the southern oscillation, there is a warming as well as a cooling phase which impacts the temperature of tropical and subtropical regions across the world. The cooling phase is known as La Nina and the warming phase is called El Nino. This is a periodic phenomenon which happens at irregular intervals.

An important feature of Southern Oscillation is its association with El Nino. During El Nino instead of cool currents, warm temperatures are blown over the Peruvian coast. Southern Oscillation Index is used to measure the strength of southern oscillation and observe the climatic changes.

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FAQs

  • Southern Oscillation refers to the shifting temperature, air pressure and sea surface temperatures between the Pacific and Indian oceans. It is measured by Southern Oscillation Index.

  • El Nino is an important feature of Southern Oscillation during which instead of cool currents, warm temperatures are blown over the Peruvian coast

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