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2.4 HL El Niño and La Niña

In this activity, we will explore El Nino and La Nina; how they occur and the impacts that they have on different areas of the world. Background Information The El Niño Southern Oscillation (ENSO) cycle is the fluctuation in wind and sea surface temperatures that characterizes conditions in the tropical Pacific Ocean. The two opposite and extreme states are El Niño and La Niña, with transitional and neutral states...

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