The Three Circulation Cells (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main purpose of the three circulation cells in each hemisphere?
What is the main purpose of the three circulation cells in each hemisphere?
Redistribute heat from equator to poles
Between which latitudes does the Hadley cell operate?
Between which latitudes does the Hadley cell operate?
Equator and 30° latitude
Why is the Hadley cell the most powerful and consistent circulation cell?
Why is the Hadley cell the most powerful and consistent circulation cell?
Strong temperature contrast: equator/30°
Why are many major deserts located around 30° latitude?
Why are many major deserts located around 30° latitude?
Descending dry air creates high pressure
Which circulation cell creates the trade winds?
Which circulation cell creates the trade winds?
Hadley cell
Between which latitudes does the Polar cell operate?
Between which latitudes does the Polar cell operate?
60° latitude to the poles
Why is the Polar cell the weakest of the three circulation cells?
Why is the Polar cell the weakest of the three circulation cells?
Weaker temperature differences, smaller area
In which direction do polar easterlies blow?
In which direction do polar easterlies blow?
From east to west
Why is the Ferrel cell called an 'indirect cell'?
Why is the Ferrel cell called an 'indirect cell'?
Driven by neighbouring cells, not solo
In which direction do the prevailing westerlies blow?
In which direction do the prevailing westerlies blow?
From west to east
At which latitudes does air descend in the global circulation system?
At which latitudes does air descend in the global circulation system?
30° latitude and the poles
What is the ITCZ?
What is the ITCZ?
Zone where trade winds converge at equator