El Niño And La Niña *G11

Question 1

El Niño definition

Answer 1

Climate change brought about by
Warmer conditions in the Pacific Ocean

Question 2

La Niña definition

Answer 2

Climate change brought about by
Cooler conditions in the Pacific Ocean

Question 3

What type of weather does El Niño bring to Africa

Answer 3

Hot and dry conditions

Question 4

What type of weather does La Niña bring to Africa

Answer 4

Cooler and wet conditions

Question 5

Explain normal conditions in the pacific *4

Answer 5

*easterly winds drag warm water westwards
*cold water in the east pacific
*dry and cold conditions in the east
*warmer conditions in the west

Question 6

Explain El Niño conditions on the pacific *4

Answer 6

*easterly winds don’t blow as much wind to the west (due to them being weakened by pressure changes in the atmosphere)
*warm water stays at the east
*dry and warm conditions in the east
*rain in the central pacific

Question 7

Explain La Niña conditions in the pacific *4

Answer 7

*easterlies drag a lot of warm water to the east
*upwelling of cold water in the east is increased
*west has heavy rain
*east is very dry and cold

Question 8

How El Niño affects Africa’s climate *3

Answer 8

*upward airflow over east PO
*downward airflow over Africa
*causes warm and dry conditions

Question 9

How La Niña affects Africa’s climate *3

Answer 9

*downward airflow over east PO
*upward airflow over Africa
*cool and very wet conditions