Walker circulation

High school (ages 12+)
Environment & Earth

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/walker-circulation

1. What is the geographic domain?
2. What is the primary discoverer?
3. Why does the Walker circulation affect the weather in places like Australia and South America?
4. How does the Walker circulation work during a normal year or a La Niña?

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the geographic domain?Equatorial Pacific Ocean
2. What is the primary discoverer?Sir Gilbert Walker (Southern Oscillation concept)
3. Why does the Walker circulation affect the weather in places like Australia and South America?When the circulation changes, it can bring more rain to some areas and less to others, causing droughts or floods, and even changing hurricane patterns.
4. How does the Walker circulation work during a normal year or a La Niña?In a normal year the winds blow strongly from east to west, warm water stays in the west, and the east stays cooler, making the west wetter and the east drier.

Teleconnections: Long-distance relationships between weather patterns in different parts of the world.
Convection: The transfer of heat through the movement of fluids (like air or water).
Sea Surface Temperature (SST): The temperature of the top layer of ocean water.