News tagged with dam
World's biggest beaver dam discovered in northern Canada
A Canadian ecologist has discovered the world's largest beaver dam in a remote area of northern Alberta, an animal-made structure so large it is visible from space.
May 06, 2010 |
4.9 / 5 (26) |
17
Climate change means shortfalls in Colorado River water deliveries
The Colorado River system supplies water to tens of millions of people and millions of acres of farmland, and has never experienced a delivery shortage. But if human-caused climate change continues to make ...
Apr 20, 2009 |
4.7 / 5 (27) |
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Japan eyes solar station in space as new energy source
It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.
Technology / Energy & Green Tech
Nov 08, 2009 |
4.8 / 5 (24) |
32
Turning the tide to energy
NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...
Mar 06, 2009 |
3.3 / 5 (23) |
6
Toxic legacy seeps from melting Alpine glaciers: study
Swiss researchers have found that Alpine glaciers melting under the impact of climate change are releasing highly toxic pollutants that had been absorbed by the ice for decades.
Oct 14, 2009 |
3.7 / 5 (12) |
0
Global warming may require higher dams, stilts
(AP) -- With the world losing the battle against global warming so far, experts are warning that humans need to follow nature's example: Adapt or die.
Dec 03, 2009 |
3.8 / 5 (9) |
6
America's new wonder: a record-breaking bridge
America's greatest technological achievement, the Hoover Dam, now has a soaring companion piece, a massive looming bridge held up by the longest arch in the Western Hemisphere.
Oct 17, 2010 |
3.7 / 5 (9) |
16
Governments must plan for migration in response to climate change, researchers say
Governments around the world must be prepared for mass migrations caused by rising global temperatures or face the possibility of calamitous results, say University of Florida scientists on a research team reporting in the ...
Oct 27, 2011 |
4.7 / 5 (7) |
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U.S. hopes dams' demolition will let salmon return
They were known as June Hogs -- 100-pound salmon that, when stood on end, were taller than a man.
Apr 12, 2010 |
4.1 / 5 (7) |
0
Large dams can affect local climates, says new study
(PhysOrg.com) -- Large dams could have the potential to significantly alter local rainfall in some regions, according to a team of researchers including Roger Pielke Sr., of the Cooperative Institute for Research in Environmental ...
Feb 10, 2011 |
4.1 / 5 (7) |
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New research questions hydroelectric emissions
Scientists have found that some reservoirs formed by hydroelectric dams emit more greenhouse gases than expected, potentially upsetting the climate-friendly balance of hydroelectric power.
Oct 11, 2010 |
3 / 5 (8) |
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Managing Pacific Northwest dams for a changing climate
Civil engineers at the University of Washington and the U.S. Army Corps of Engineers' Seattle office have taken a first look at how dams in the Columbia River basin, the nation's largest hydropower system, ...
Jan 21, 2010 |
3.8 / 5 (6) |
0
Obama pushes nuclear energy to boost climate bill
(AP) -- President Barack Obama is endorsing nuclear energy like never before, trying to win over Republicans and moderate Democrats on climate and energy legislation.
Technology / Energy & Green Tech
Jan 31, 2010 |
4.6 / 5 (5) |
3
Manure could fuel data centers, HP scientists say
Giving new meaning to the term "server farm," a team of Hewlett-Packard researchers has come up with a plan for combining cow chips and computer chips to build an environmentally friendly data center -- powered ...
Technology / Energy & Green Tech
May 19, 2010 |
3.8 / 5 (5) |
5
China aims to build 'Three Gorges of wind power'
China is aiming to build a huge wind farm in the northwest by 2020 that will have energy capacity similar to the gigantic Three Gorges Dam, a senior official said Thursday.
Technology / Energy & Green Tech
Jun 25, 2009 |
4.5 / 5 (4) |
2
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are often used in conjunction with dams to provide clean electricity for millions of consumers.
For more information about Dam, read the full article at
Wikipedia.
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