We've received so many questions about El Nino we decided to share them
with El Nino expert, Dr. David Battisti from the University of Washington. Here's what we
discovered
Say what? Although
it's popular to call it "El Nino," scientists call it ENSO. Say that three times
fast, "ENSO, ENSO, ENSO." ENSO stands for: El Nino/Southern
Oscillation. ENSO is more accurate than El Nino because it reminds us of all the changes
surrounding the event - in the atmosphere and the ocean. It is also much easier to say!
What is an El Nino? It is a
series of events that begin in the Pacific Ocean. These events cause major weather
changes around the world. Lots of rain in some places. Not enough rain in others. Plus
other world wide changes.
So, what's the big deal, why should we care
about studying ENSO events? Dr. Battisti explains, "ENSO events have
profound effects on countries and economies around the Pacific rim. It affects the whole
world - everything from certain diseases in people to ecosystems, from agriculture to big
businesses. The 1982-83 ENSO is the largest ever recorded. It killed 2000 people and
caused 13 billion dollars in damages. This year's event will be almost as big as the one
in 1982. So, the more we know, the better we can prepare for future ENSO events."
Is it caused by pollution or something people
have done? No, an ENSO event is natural series of
changes in ocean currents, winds, and storms. An El Nino happens every 2 to 7 years.
To compare a normal year with an ENSO (El Nino) year print and use
our OceanActivity sheets.
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