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Ocean Surface Topography from Space
Oceanic "Kelvin" Wave Reaches South America
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April 25, 1997

About one month after being triggered by east-blowing winds near Australia, an oceanic "Kelvin" wave reached South America. During this period, the oceanic pulse travelled over one-third the circumference of the earth!

The Kelvin wave is seen as the red and white band along the equator, indicating sea level height that is above average.

Source: Jet Propulsion Laboratory

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