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floods

The Hows and Whys of Floods
Image: Kay Körner, Dresden Seevorstadt

The Hows and Whys of Floods

Intense rainfalls, over-saturated or frozen soil, run-off and ice jams, even urbanization — many factors can produce a flood.

Why are some areas more at risk than others? What's the difference between a "flash flood" and a "regular river flood"? And can flooding be controlled? Get all the wet details.

PBS NewsHour
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3M and Discovery Young Scientist Challenge: 2013 Finalists

3M and Discovery Young Scientist Challenge: 2013 Finalists

Peyton Robertson took top honors in the 2013 challenge for creating lighter, more efficient sandbags to minimize flood and saltwater damage. Meet him and the other 9 finalists. More...

Article
Discovery and 3M
Storm Surge and Coastal Floods

Storm Surge and Coastal Floods

Rivers and streams are not the only bodies of water that can flood. Low lying coastal areas are also as risk. Find out why. More...

Article
NOAA
Floods

Floods

Floods happen all over the world. The causes, some of them seasonal, are as diverse as the damage they bring. Watch coverage of recent flooding events. More...

Video
BBC
Interactive: Before and After the Minot Flood

Interactive: Before and After the Minot Flood

Just what kind of damage can a flood bring? Check out these before-and-after images from North Dakota. Then scroll across each series of photos to re-create the 2011 Minot flood. More...

Interactive
PBS
Watching Our Seas Rise

Watching Our Seas Rise

How are human and global warming changing sea levels? Scientists look to satellites, coral reefs, ancient Roman fishponds, and sinking cities for the answer. More...

Article
Science News for Students
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Why Rivers Flood – and How to Reduce Risk

Why Rivers Flood – and How to Reduce Risk

What would you need to know if you lived in an area prone to floods? Get the answers about flood science from Jeff Opperman, a freshwater scientist. More...

Profile
The Nature Conservancy
Fatal Flood

Fatal Flood

After weeks of heavy rains in the spring of 1927, the Mississippi River flooded. Explore the devastating impact the flood had on the Delta community of Greenville, Mississippi. More...

Video
American Experience/PBS
Flood!

Flood!

Create a model of a river system with levees. Then discover what happens when it floods. More...

Activity
NOVA/PBS
Flooding: Homes Evacuated After Landslides

Flooding: Homes Evacuated After Landslides

What would it be like to have hundreds of tons of wet soil come sliding and crashing down toward your home? Watch these videos to see what some people in Wales experienced. More...

Video
BBC
Heavy Flooding Paralyses Manila

Heavy Flooding Paralyses Manila

During the summer of 2012, the capital of the Philippines was inundated by flood waters. Thousands of people were displaced as the water continued to rise. Watch this video report. More...

Video
BBC
Images of the Flood of 2006

Images of the Flood of 2006

In November 2006, flood waters rushed into Mount Rainier and closed the national park for six months. Take a look at the damage, recovery efforts, and long-term changes. More...

Images
National Park Service

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