describe the features of ENSO
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Introduction to ENSO:
El Niño-Southern Oscillation, or ENSO, is a climate pattern that occurs across the tropical Pacific Ocean on average every five years, but over a period which varies from three to seven years, and is therefore, widely and significantly, known as “quasi-periodic.” ENSO is best-known for its association with floods, droughts and other weather disturbances in many regions of the world, which vary with each event. Developing countries dependent upon agriculture and fishing, particularly those bordering the Pacific Ocean, are the most affected.
ENSO is composed of an oceanic component, called El Niño (or La Niña, depending on its phase), which is characterised by warming or cooling of surface waters in the tropical eastern Pacific Ocean, and an atmospheric component, the Southern Oscillation, which is characterised by changes in surface pressure in the tropical western Pacific.
El Niño-Southern Oscillation, or ENSO, is a climate pattern that occurs across the tropical Pacific Ocean on average every five years, but over a period which varies from three to seven years, and is therefore, widely and significantly, known as “quasi-periodic.” ENSO is best-known for its association with floods, droughts and other weather disturbances in many regions of the world, which vary with each event. Developing countries dependent upon agriculture and fishing, particularly those bordering the Pacific Ocean, are the most affected.
ENSO is composed of an oceanic component, called El Niño (or La Niña, depending on its phase), which is characterised by warming or cooling of surface waters in the tropical eastern Pacific Ocean, and an atmospheric component, the Southern Oscillation, which is characterised by changes in surface pressure in the tropical western Pacific.
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