El Niño and La Niña (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How often do El Niño and La Niña events typically occur?
How often do El Niño and La Niña events typically occur?
Every few years
What does 'La Niña' mean in Spanish?
What does 'La Niña' mean in Spanish?
The Girl Child
What is the name of the large-scale circulation system that operates across the Pacific?
What is the name of the large-scale circulation system that operates across the Pacific?
Walker circulation
During normal conditions, what brings cold, nutrient-rich water to the S. American coast?
During normal conditions, what brings cold, nutrient-rich water to the S. American coast?
Upwelling
What happens to warm surface water during El Niño?
What happens to warm surface water during El Niño?
It spreads eastward
What happens to the easterly winds during an El Niño event?
What happens to the easterly winds during an El Niño event?
They weaken or may reverse
How does La Niña differ from normal Pacific circulation patterns?
How does La Niña differ from normal Pacific circulation patterns?
It intensifies them
How do ocean temps in the eastern Pacific change during La Niña?
How do ocean temps in the eastern Pacific change during La Niña?
They become even colder
What weather conditions does La Niña typically bring to Africa?
What weather conditions does La Niña typically bring to Africa?
Subsidence & drier conditions
What weather conditions does El Niño typically bring to Africa?
What weather conditions does El Niño typically bring to Africa?
Rising air & wetter conditions