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The El Niño-Southern Oscillation (ENSO) is a recurring natural phenomenon characterised by fluctuating ocean temperatures in the equatorial Pacific, coupled with changes in the atmosphere, which have a major influence on climate patterns in various parts of the world.
El Niño and La Niña are two opposing climate patterns that break these normal conditions. Scientists call these phenomena the El Niño-Southern Oscillation (ENSO) cycle. El Niño and La Niña can both have global impacts on weather, wildfires, ecosystems, and economies. Episodes of El Niño and La Niña typically last nine to 12 months, but ...
16 Απρ 2024 · El Niño means warmer water spreads further, and stays closer to the surface. This releases more heat into the atmosphere, creating wetter and warmer air.
For many people, El Niño and La Niña mean floods or drought, but the events are actually a warming or cooling of the eastern Pacific Ocean that impacts rainfall. These sea surface temperature and rainfall anomaly images show the direct correlation between ocean temperatures and rainfall during El Niño and La Niña events.
4 Απρ 2024 · El Niño and La Niña are warring climate patterns that see the unusual warming or cooling of ocean temperatures, which result in drier- or wetter-than-average conditions. These, then, globally affect the weather, ecosystems, economies, health, access to water resources, and more, depending on El Niño or La Niña's intensity, duration, time of ...
15 Οκτ 2021 · La Niña, which is characterized by unusually cool ocean surface temperatures in the Central and Eastern Equatorial Pacific, is usually associated with above normal rainfall conditions across most areas of the country during the last quarter of the year and early months of the following year.
10 Οκτ 2024 · El Niño and La Niña are the warm and cool phases of a natural climate pattern across the tropical Pacific known as the El Niño-Southern Oscillation, or “ENSO” for short. The pattern shifts back and forth irregularly every two to seven years, bringing predictable changes in ocean temperature and disrupting the normal wind and rainfall ...
