
Who proved ocean and wind patterns cause El Niño in 1969?
Can you name the scientist who proved in 1969 that ocean temperatures and wind patterns cause El Niño? Test your climate science knowledge!
How Peruvian fishermen discovered El Niño
The physical engine of the Pacific
The global domino effect of weather
The cool sibling and the ENSO cycle
Watching the ocean from space and sea
diego The Discovery of El Niño
When the ocean gets warm, the anchovies go / (Yeah, El Niño’s running the show!)

diego Track the warming ocean currents to learn how Peruvian fishermen first discovered El Niño.

diego In 1969, meteorologist Jacob Bjerknes realized that ocean temperatures and atmospheric winds directly drive each other.
Naming the current: Peruvian fishers named El Niño after the Christ Child because the warming usually peaked around December.

diego In the 1920s, British mathematician Gilbert Walker discovered a massive atmospheric pressure connection across the Pacific.
A periodic warming of ocean surface temperatures in the central and eastern Pacific. Peruvian fishers in the seventeenth century first observed the warm current disrupting their annual anchovy harvests.
Which extreme El Niño event in the 20th century first caught scientists completely off guard, leading to better ocean monitoring?
In which century did Peruvian fishermen first record the warm ocean current they called El Niño?
Which scientist in 1969 proved that ocean temperatures and wind patterns work together to cause El Niño?
What does the Spanish phrase 'El Niño' literally mean in the context of its discovery?
