Just below the sun-warmed surface of a dam, the water temperature can be breath-catchingly cold. So imagine how chilly the water gets when you descend another 20, 30 or even 50 metres to the dam bed.
Environment
Sep 15, 2015
0
28
Widely hailed as 'green' sources of renewable energy, hydroelectric dams have been built worldwide at an unprecedented scale. But research from the University of East Anglia reveals that these major infrastructure projects ...
Environment
Jul 1, 2015
0
1409
A massive federal habitat restoration effort in the Columbia River Basin has spent more than $700 million on breaching levies, restoring tidal channels, reconnecting floodplains and other actions meant to boost salmon and ...
Ecology
Jun 21, 2015
1
38
Five years ago this summer, a couple drowned in Utah's Jordan River when their kayak capsized going over a small drop in the streambed near Murray. While the drop-off at that location creates a harmless-looking two-foot waterfall, ...
Engineering
Jun 16, 2015
0
11
Beneath long-term work to rebuild sandbars in the Grand Canyon lies a legacy of river-running data collection that tells the story of Northern Arizona University researchers, highlighting their persistence and innovations.
Earth Sciences
Jun 8, 2015
0
9
In 1913 in Southern California, two 241-mile-long electric lines began carrying power from hydroelectric dams in the Sierra Nevada to customers in Los Angeles—a massive feat of infrastructure. In 1923, power company Southern ...
Environment
Jun 4, 2015
0
8
Researchers have developed a model to assess how dams affect the viability of sea-run fish species that need to pass dams as they use both fresh and marine waters during their lifetimes. NOAA's Northeast Fisheries Science ...
Ecology
May 21, 2015
0
29
Construction of a Malaysian dam that will flood a rainforested area half the size of Singapore and displace 20,000 tribespeople was given the green light Saturday by the state government, local media reported.
Environment
May 16, 2015
1
24
Its name is "Inspiration" and Daimler Trucks says it's the first ever self-driving semi-truck licensed to drive on public roads—in this case Nevada's highways—not only for testing, but business, too.
Hi Tech & Innovation
May 6, 2015
11
70
More than 1000 dams have been removed across the United States because of safety concerns, sediment buildup, inefficiency or having otherwise outlived usefulness. A paper published today in Science finds that rivers are resilient ...
Environment
Apr 30, 2015
2
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