Waves & Storms

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Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean at 400 miles per hour. Early warning systems, such as NOAA’s DART systems, are key to saving lives. Today, 47 DART stations are...
This image shows four tropical storm systems in the Atlantic Ocean basin on...
From the water, red mangroves appear to form an impenetrable tangle of roots,...
At the entrance of most beaches, there is a bulletin board with notices about...

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When hurricanes blow through an area, they don’t just have an impact on humans. These intense wind events also cause great damage to the ecosystems (pdf) they touch. They harm marine animals by spewing pollution and debris onto...
Large waves are a draw for surfers, scientists and spectators alike to...
What do you get when you mix together a hurricane, the remnants of a wintry...

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We all know that hurricanes can have destructive effects on human communities and infrastructure—but what about their...

The Ocean Blog

The ocean moves in many ways, one of which is the shape of a wave.
We all know that hurricanes can have destructive effects on human communities and infrastructure—but what about their effects on coastal wetlands? Until Hurricane Katrina, no one had ever mapped...
At the entrance of most beaches, there is a bulletin board with notices about water conditions: maybe a faded sign warning about rip currents and a list of this week's tide tables. Most people pass...
A tsunami is a set of waves created by a disturbance, likely an earthquake, which reaches the surface of the sea.
Using maps and graphics, Smithsonian geologist Dr. Liz Cottrell provides an overview of the major earthquake and tsunami that struck Japan on March 11, 2011—one of the largest ever recorded globally...
Dr. Isaac Ginis, an expert in hurricane modeling from The University of Rhode Island's Graduate School of Oceanography, is the second featured speaker in Changing Tides: A Series of Ocean Discussions...
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