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  1. 19 de oct. de 2023 · The Southern Oscillation is a change in air pressure over the tropical Pacific Ocean. When coastal waters become warmer in the eastern tropical Pacific (El Niño), the atmospheric pressure above the ocean decreases. Climatologists define these linked phenomena as El Niño-Southern Oscillation (ENSO).

    • Upwelling

      During El Niño, a weather phenomenon that typically occurs...

    • Atmospheric Pressure

      The air around you has weight, and it presses against...

    • Drought

      A drought is a period of time when an area or region...

    • Humidity

      Have you ever visited a place that just made you feel hot...

    • Monsoon

      A monsoon is a seasonal change in the direction of the...

  2. 26 de nov. de 2014 · A simulation of the evolution of El Niño Southern Oscillation in the past 21,000 years in a state-of-the-art climate model shows the complex response mechanisms of El Niño to external...

  3. 7 de may. de 2019 · Our new record opens a door to understanding past changes of El Niño, with implications for the future too. Knowing how the different types of El Niño have unfolded in the past will mean we are better able to model, predict and plan for future El Niños and their widespread impacts.

  4. 17 de jul. de 2003 · A new study of past variations in El Niño behaviour provides a much improved record from pre-instrumental times. It will be a valuable resource for testing the models used in climate...

  5. 15 de dic. de 1987 · Since this information refers strictly to El Niño occurrences, a regional manifestation of the large-scale (El Niño-Southern Oscillation (ENSO)) event, it is based primarily on evidence obtained from the west coast region of northern South America and its adjacent Pacific Ocean waters.

  6. 1 de dic. de 1997 · El Niños are a regional phenomenon, but their ‘footprint’ is global. They are usually accompanied by severe drought over Australia and Indonesia, together with a weakened summer monsoon ...

  7. 15 de sept. de 2015 · In the last decade, for example, meteorologists have identified a new El Niño Modoki phenomenon, which means “similar but different” in Japanese. El Niño Modoki brings warmer water to the central Pacific, while the eastern and western flanks remain cool.