Which of the following is not a consequence of El Niño Southern Oscillation?
Drier conditions in Australia and Southeast Asia, leading to droughts and wildfires
Heavy rainfall and flooding on the western coast of the Americas, particularly Peru and parts of the USA
Stronger monsoon rains in India and parts of Southeast Asia
Warmer winter temperatures in Canada and the northern USA
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Which of the following is not an effect of La Niña?
Increased rainfall in Australia and Southeast Asia, leading to floods
Drier conditions in South America and parts of the USA
Milder winter conditions in Canada and the northern USA
Harsher winter conditions in Canada and the northern USA
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The table below compares normal conditions with the conditions during either El Niño and La Niña events.
Region | Condition | Sea Surface Temperature (°C) | Precipitation (mm/month) | Wind Strength | Upwelling |
Pacific Coast of South America | Normal | 24°C | 100 mm | Strong trade winds | High upwelling |
Event | 28°C | 300 mm | Weak trade winds | Reduced upwelling | |
Southeast Asia | Normal | 27°C | 100 mm | Moderate winds | Normal |
Event | 26°C | 200 mm | Strongermonsoon winds | Normal | |
Australia | Normal | 26°C | 100 mm | Moderate trade winds | Normal |
Event | 24°C | 150 mm | Stronger trade winds | Normal |
Which region is experiencing El Niño conditions?
Pacific Coast of South America
Southeast Asia
Australia
Pacific Coast of South America and Australia
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The table below compares normal conditions with the conditions during either El Niño and La Niña events.
Region | Condition | Sea Surface Temperature (°C) | Precipitation (mm/month) | Wind Strength | Upwelling |
Pacific Coast of South America | Normal | 24°C | 100 mm | Strong trade winds | High upwelling |
Event | 28°C | 300 mm | Weak trade winds | Reduced upwelling | |
Southeast Asia | Normal | 27°C | 100 mm | Moderate winds | Normal |
Event | 26°C | 200 mm | Strongermonsoon winds | Normal | |
Australia | Normal | 26°C | 100 mm | Moderate trade winds | Normal |
Event | 24°C | 150 mm | Stronger trade winds | Normal |
Which region is experiencing La Niña conditions?
Pacific Coast of South America and Australia
Australia
Southeast Asia and Australia
Southeast Asia
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The table below compares normal conditions with the conditions during either El Niño and La Niña events.
Region | Condition | Sea Surface Temperature (°C) | Precipitation (mm/month) | Wind Strength | Upwelling |
Pacific Coast of South America | Normal | 24°C | 100 mm | Strong trade winds | High upwelling |
Event | 28°C | 300 mm | Weak trade winds | Reduced upwelling | |
Southeast Asia | Normal | 27°C | 100 mm | Moderate winds | Normal |
Event | 26°C | 200 mm | Strongermonsoon winds | Normal | |
Australia | Normal | 26°C | 100 mm | Moderate trade winds | Normal |
Event | 24°C | 150 mm | Stronger trade winds | Normal |
What is the most likely reason for reduced upwelling along the Pacific Coast of South America?
Strong trade winds pushing warm water away
Weaker trade winds preventing cold water from rising
Increased rainfall cooling the ocean
Higher salinity in the water
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