El Nino Study Quiz
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10 Terms
What is El Nino?
(oceanography) a warm ocean current that flows along the equator from the date line and south off the coast of Ecuador at Christmas time
In which ocean does El Nino usually effect?
Pacific Ocean
Weather Phenomena that are caused by El Nino
Floods, Droughts
What does the acronym "ENSO" stand for?
El Nino Southern Oscillation
When does El Nino occur?
It occurs irregularly every 3-7 years.
Why does El Nino occur?
El Niño happens when tropical Pacific Ocean trade winds die out and ocean temperatures become unusually warm.
Why was el nino called el nino?
El Niño means The Little One in Spanish. This name was used for the tendency of the phenomenon to arrive around Christmas.
Which occurs more regularly? El Nino / La Nina
El Nino
How does La Niña differ from El Niño?
La Niña is the opposite of El Niño and involves unusually cool ocean surface temperatures in the central and eastern Pacific Ocean.
How do El Niño and La Niña affect marine ecosystems?
El Niño reduces nutrient upwelling, harming fish populations, while La Niña enhances upwelling, boosting marine productivity.