Study shows 'unprecedented' changes to world's rivers
The way rivers function is significantly affected by how much sediment they transport and deposit.
Earth Sciences
Sep 13, 2022
1
862
News tagged with dam
Brazil uses dammed lake surface for floating solar panels
Two decades ago, a section of the Amazon rainforest was flooded for a dam that currently produces little electricity. Engineers now see that artificial lake as an ideal surface for floating solar panels.
Energy & Green Tech
Mar 13, 2016
15
1383
Ethiopia's controversial mega-dam
Ethiopia's construction of a massive dam on a tributary of the Nile River, which the UN Security Council meets about on Thursday, is raising regional tensions notably with Egypt, which depends on the Nile for 97 percent of ...
Environment
Jul 8, 2021
2
20
Archaeologists uncover largest ancient dam built by Maya in Central America
Recent excavations, sediment coring and mapping by a multi-university team led by the University of Cincinnati at the pre-Columbian city of Tikal, a paramount urban center of the ancient Maya, have identified new landscaping ...
Archaeology
Jul 16, 2012
16
0
US mega drought makes boating rough on Lake Mead
In the 15 years since Adam Dailey began boating on Lake Mead, the shoreline has receded hundreds of meters, the result of more than two decades of punishing drought that is drying out the western United States.
Environment
Jul 3, 2022
0
67
Low-flow research on Colorado River sheds light on eventual new normal for Grand Canyon
Researchers from Oregon State University say ecological data gathered during a recent low-flow experiment in the Grand Canyon is a key step toward understanding Colorado River ecosystems as the amount of water in the river ...
Earth Sciences
Jun 25, 2021
1
614
River ecosystems show 'incredible' initial recovery after dam removal
A songbird species that flourishes on the salmon-rich side of dams in the western United States struggles when it tries to nest on the side closed off from the fish and the nutrients they leave behind.
Ecology
Dec 28, 2015
0
2126
Study uncovers how China's dams are operated along the Lancang-Mekong river
China's dams along the Upper Mekong, or Lancang, are often blamed as the main cause of recent droughts in the downstream regions. Yet, it is challenging to corroborate these claims, since China has not been releasing detailed ...
Earth Sciences
May 31, 2022
0
17
Northwest power surplus may halt wind energy
(AP) -- The manager of most of the electricity in the Pacific Northwest is running such a surplus of power from hydroelectric dams that it put wind farms on notice Friday that they may be shut down as early as this weekend.
Energy & Green Tech
May 14, 2011
41
0
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.
Engineering
Oct 17, 2010
16
0
