El Nino / La Nina

Front

In the Southern Hemisphere, ocean currents flow in a counter-clockwise direction.

Back

True

Front

The El Nino is caused by

Back

warm water in the Pacific off the coast of South America

Front

Where does the term El Niño come from and what does it mean?

Back

“The Child,” due to its appearance around the Christmas season

Front

The term El Niño now refers to both a coupled oceanic and atmospheric phenomenon that is characterized by all but 1 of the items below: Changes in rainfall distribution around the world, Changes in sea level pressure between Darwin and Tahiti, Abnormally warm sea water near South America, Atmospheric stagnation.

Back

Atmospheric stagnation

Front

What does the term ENSO refer to?

Back

El Niño/ Southern Oscillation

Front

How often do El Niño events occur and how long do they generally last?

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Occur every 3-5 years/ Usually last for 9-12 months.

Front

What is the warming of Earth's atmosphere by gases like carbon dioxide and water vapor trapping the Sun's energy called?

Back

the Greenhouse effect

Front

What do you call winds that blow in the same direction all over the Earth?

Back

Trade winds

Front

What causes warm air to rise?

Back

the fact that it's less dense than cold air

Front

The El Nino is caused by

Back

warm water in the Pacific off the coast of South America