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Unformatted text preview: MARS 1010: El Niño and its Impacts 17/09/2007 10:14:00 ← NOTE: Study from the objective sheets!!!! Start NOW writing the answers out! ← ← El Niño: refers to a period of anomalous climatic conditions centered in the tropical Pacific Ocean, characterized by: • Warmer than normal water in the eastern tropical Pacific that extends to deep depths • Heavy rains in equatorial South America and western North America • Droughts and fires in equatorial Asia and Australia. ← ← El Niño is also known as the Southern Oscillation (ENSO) • The changes in atmospheric processes that result during El Niño occur ever 2 to 7 years. o What happens is an atmospheric change in the Southern Pacific and Indian ocean. ← ← La Niña is the opposite of el Niño. ← ← Physical Changes during El Niño • The trade winds weaken and shift the low pressure location (this is called the...
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This note was uploaded on 03/20/2008 for the course MARS 1010L taught by Professor Jager during the Fall '07 term at University of Georgia Athens.
- Fall '07