El Niño and La Niña Phenomenon
Explore the causes, effects, and global impacts of El Niño and La Niña climatic patterns on weather, ecosystems, and human societies.
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El Niño and La Niña Phenomenon
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Read each question carefully and provide your best answer based on your understanding of El Niño and La Niña. Use complete sentences for short answer questions.
1. Which of the following best describes El Niño?
A cooling of ocean surface temperatures in the central and eastern Pacific.
A warming of ocean surface temperatures in the central and eastern Pacific.
A consistent pattern of strong trade winds across the Pacific.
Periods of unusually low rainfall in the Amazon rainforest.
2. During a La Niña event, which region typically experiences cooler-than-average ocean temperatures?
Indian Ocean
Eastern Pacific Ocean
Western Pacific Ocean
Atlantic Ocean
3. During an El Niño event, the trade winds across the Pacific Ocean tend to .
4. La Niña is often associated with increased rainfall in Southeast Asia and .
5. El Niño and La Niña are phases of a larger phenomenon known as the El Niño-Southern Oscillation (ENSO).
True
False
6. Both El Niño and La Niña primarily affect weather patterns only in the Pacific Ocean region.
True
False
7. Explain how an El Niño event can lead to increased rainfall in some parts of the world and drought in others.
8. Describe two distinct impacts of La Niña on global weather patterns or ecosystems.