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

Orange shaded areas are major drainage basins of Belize, Guatemala, and Honduras that contribute sediment to the Caribbean. Wind and current patterns are represented by red and black arrows,...
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...
Geophysicist Jian Lin of Woods Hole Oceanographic Institution and chief U.S. scientist aboard the Chinese oceanographic ship DaYang Yihao studied the earthquake site that triggered 2004’s Indian...
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...
From the water, red mangroves appear to form an impenetrable tangle of roots, trunks, and leaves—a protective barrier against storms and tsunamis. More about mangroves can be found in our Mangroves...
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...
Since 1902, more than 40 centimeters of mangrove peat could have accumulated at the Belize site, enough to entrap and bury small pieces of pumice. But Juan’s vexing questions persisted: Why hadn’t...
I became interested in weather phenomena when I took physics in high school. At the time, I just wanted to understand how various things in nature worked. Unfortunately, most information about...
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...
PAST PROGRAMS IN THE SERIES CREDIT: E. Widder, ORCA, www.teamorca.org November 8, 2012 Bioluminescence in Art and Science Light made by living organisms is both scientifically illuminating and...
Large waves are a draw for surfers, scientists and spectators alike to locations around the world. Changes to the coast and ocean floor as well as sediment flow can change the nature of a wave as it...
The ocean moves in many ways, one of which is the shape of a wave.
A tsunami is a set of waves created by a disturbance, likely an earthquake, which reaches the surface of the sea.
As a geological oceanographer at the Smithsonian National Museum of Natural History, Dr. Maggie Toscano has made a career of documenting how coastal systems have changed over thousands of years in...
Even when viewed from space, Hurricane Irene looks sizable. When a NASA satellite took this image on August 23, 2011 the storm was 410 miles in diameter, with clouds covering eastern Cuba. Irene is...
What do you get when you mix together a hurricane, the remnants of a wintry midwestern storm, and cold Arctic air? The " Frankenstorm ," which is what the US National Weather Service renamed...
Hurricane Katrina battered the city of New Orleans and many other areas of the Gulf Coast when it came ashore in August 2005. Dr. Isaac Ginis, a Professor of Oceanography at The University of Rhode...
This map shows volcanoes of Central America and within the Caribbean Sea. The red triangles represent volcanoes known to have erupted in recent time (within the last 10,000 years) and white stars are...
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