News tagged with dam construction
What do toad toes show? Plenty, says ASU biologist
Jun 22, 2009 |
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(PhysOrg.com) -- Brian Sullivan has been clipping toes from toads since the early 1980s. It’s not some type of strange hobby, and he releases the toads back into their habitat along the Agua Fria River north ...
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Salazar calls for high flows into Colorado River
Dec 11, 2009 |
5 / 5 (1) |
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(AP) -- Interior Secretary Ken Salazar is calling for more manmade floods to be released from the Glen Canyon Dam into the Colorado River.
Grand Canyon flooded to improve ecosystem
Mar 05, 2008 |
4.3 / 5 (3) |
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U.S. officials released a flood into the Grand Canyon to try to undo damage caused by the construction of the Glen Canyon Dam in the 1960s.
China says planning more dams on troubled Yangtze
Apr 21, 2009 |
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China will build at least 20 more reservoirs or hydroelectric projects in the Yangtze river system by 2020, the government said Tuesday, despite growing concerns over dam construction there.
Model analysis helps protect river's ecosystem
Space & Earth / Earth Sciences
Mar 06, 2008 |
3.8 / 5 (4) |
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The Grand Canyon will be experiencing a spring of yesteryear, as water flow rates from the Glen Canyon Dam will be significantly increased, then throttled back in a high-flow experiment that runs March 4 through ...
MU Engineers Designing Sensor System to Prevent Dam Failure
Nov 15, 2007 |
3 / 5 (6) |
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As engineers all across America struggle to maintain the nation’s aging infrastructure, a University of Missouri-Columbia researcher is developing a way to prevent one type of disastrous dam failure.
NASA satellites watch as China constructs giant dam
Space & Earth / Earth Sciences
Jun 12, 2007 |
4.8 / 5 (9) |
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Some call it the eighth wonder of world. Others say it's the next Great Wall of China. Upon completion in 2009, the Three Gorges Dam along China’s Yangtze River will be the world's largest hydroelectric power generator and ...
UN study advises caution over dams
May 21, 2009 |
3.3 / 5 (4) |
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(AP) -- A dam-building spree in China poses the greatest threat to the future of the already beleaguered Mekong, one of the world's major rivers and a key source of water for the region, a U.N. report said ...
Nile Delta fishery grows dramatically thanks to run-off of sewage, fertilizers
Jan 19, 2009 |
4.8 / 5 (9) |
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While many of the world's fisheries are in serious decline, the coastal Mediterranean fishery off the Nile Delta has expanded dramatically since the 1980s.
Nile Delta fishery grows dramatically thanks to run-off of sewage, fertilizers
Jan 20, 2009 |
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2
(PhysOrg.com) -- While many of the world’s fisheries are in serious decline, the coastal Mediterranean fishery off the Nile Delta has expanded dramatically since the 1980s.
Sea lions killed, but Columbia salmon toll rises
Nov 07, 2009 |
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(AP) -- Killing or removing 25 California sea lions over the past two years has not reduced the toll on salmon at the base of Bonneville Dam in the Columbia River.
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