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- Indexed articles, last 90 days
- 158
- Latest publication
- Oct 1, 2026
- Outlet visibility, for Ecoportal
- Top 5K sites
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- Jul 4, 2026
Latest articles
Lookout Point Dam drawdown improved Chinook survival only after early cold-water habitat losses (opens the original)
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Hydroelectric power reservoirs have imposed a new challenge on rivers; one that they would have faced alone if left untouched. Evolution has allowed young salmon migrating downstream to reach the ocean under the influence of flow. Large reservoirs will alter this natural progression. As a result, salmon will have greater exposure to predators, diseases, and other environmental stresses than in free-flowing water. The process proved to be much more complex. To address these concerns at Oregon’s L
Wet microburst near Clovis produced 85-mph winds across a 50-yard-wide path (opens the original)
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Thunderstorms often cause damage across large areas. Close to Clovis, New Mexico, there was a remarkable example of a descending wind blast that affected a minuscule amount of land. The wind speed estimates at their strongest reached 85 miles per hour. The storm produced a 50-yard-wide damage track. In this narrow damage zone, a mobile home was blown onto its side. Meteorologists later designated this event as a wet microburst. The meteorological event developed rapidly. The wet microburst laste
Waterspout crossed Braidwood nuclear plant cooling pond for 0.32 miles before dissipating (opens the original)
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Most surveys of tornadoes are initiated by damage to trees, overturned buildings, or scattered debris across a landscape. The first indication of this particular tornado (waterspout) was water. A waterspout formed over the cooling pond at the Braidwood Power Plant in Illinois. Yet the meteorologists were able to map the path of this waterspout and document the event. A National Weather Service survey determined the feature to be an inland waterspout that developed over the cooling pond at the Br
Moderate Roanoke Rapids Dam flows produced similar ecological benefits to higher releases (opens the original)
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Dams are constantly forced to choose between two things. Hydroelectric dams create electricity by using flowing water to turn turbines. Flowing water is essential for the habitats of many fish, mussels, and the animals that rely on them. Scientists conducted a two-decade experiment at the Roanoke Rapids Dam in North Carolina to see if there really is this kind of trade-off. The results produced an outcome that was not so simple. Many rivers are affected when large hydroelectric dams are built be
German 7-MW wind turbine uses split generator assembled onsite around enlarged external rotor (opens the original)
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The size of a turbine dictates how easy or difficult it will be to build and deploy. At the Janneby-Süderzollhaus wind farm in Germany, the newest version of ENERCON’s E-175 EP5 E2 was built at the site by attaching the two largest parts together, rather than shipping each portion separately. This is not a common method. Most turbine components arrive as complete assemblies. The E-175 EP5 E2 required a different approach. The E-175 EP5 E2 (second prototype) ranks among the largest onshore wind t
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