El Nino and La Nina

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What is El Nino?

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El Nino is a climate pattern characterized by the warming of ocean waters in the central and eastern Pacific Ocean, affecting global weather patterns.

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What ocean is primarily affected by El Nino?

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The Pacific Ocean.

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What is La Nina?

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La Nina is a climate pattern characterized by the cooling of ocean waters in the central and eastern Pacific Ocean, often leading to opposite weather effects compared to El Nino.

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What happens to trade winds during a La Nina event?

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Trade winds are much stronger than usual during a La Nina event.

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How does El Nino affect marine life in Peru?

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El Nino shuts off upwelling, preventing nutrients from rising to the surface, which negatively impacts the marine food chain.

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What are the typical weather effects of El Nino?

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El Nino can cause increased rainfall in some regions and droughts in others, disrupting normal weather patterns.

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What are the typical weather effects of La Nina?

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La Nina often leads to cooler and wetter conditions in some areas and warmer, drier conditions in others.

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What is upwelling?

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Upwelling is the process where deep, nutrient-rich water rises to the surface, supporting marine ecosystems.

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Why do fishermen in Peru dislike strong El Nino events?

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They dislike strong El Nino events because it disrupts the marine food chain and reduces fish populations.

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What is the opposite of El Nino?

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La Nina.