The equator receives more direct sunlight than the poles, which causes the Earth's atmosphere to be heated unevenly. This uneven heating leads to moving air currents within the atmosphere. Which diagram below correctly shows the movement of air currents in the Northern and Southern Hemispheres due to the Coriolis effect?

W.
X.
Y.
Z.
A.
X
B.
Y
C.
W
D.
Z

1 answer

To determine the correct diagram that shows the movement of air currents in the Northern and Southern Hemispheres due to the Coriolis effect, we need to understand how the Coriolis effect influences wind patterns.

In the Northern Hemisphere, air moving toward the equator (southerly winds) is deflected to the right, meaning the air currents move in a clockwise direction around high-pressure areas and counter-clockwise around low-pressure areas.

In the Southern Hemisphere, the situation is reversed. Air moving towards the equator (northerly winds) is deflected to the left, causing air currents to move in a counter-clockwise direction around high-pressure areas and clockwise around low-pressure areas.

Given these characteristics of air movement due to the Coriolis effect, look for a diagram that properly displays:

  • In the Northern Hemisphere, air currents moving clockwise around high-pressure systems and counter-clockwise around low-pressure systems.
  • In the Southern Hemisphere, air currents moving counter-clockwise around high-pressure systems and clockwise around low-pressure systems.

Since I don’t have the visual representation of diagrams W, X, Y, and Z, you will need to identify which diagram reflects these behaviors. If you can provide descriptions of the diagrams, I can help you identify the correct one. Otherwise, choose the option that matches these descriptions based on your understanding of the Coriolis effect.