A new study published today in Nature Sustainability has found that using hydropower dams to generate low emission energy can cause problems for other economic sectors such as food production unless smart designs are employed.
Environment
Jan 27, 2023
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A pair of researchers at Southern University of Science and Technology, in China has found that when hydroelectric power plants are built, tiger and jaguar habitats are lost, putting the cats at risk. In their paper published ...
Almost two in three of Earth's longest rivers have been severed by dams, reservoirs or other manmade constructions, severely damaging some of the most important ecosystems on the planet, researchers said Wednesday.
Environment
May 8, 2019
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Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on the megawatt scale, ...
The Mekong's floodplains are a global biodiversity hotspot sustaining one of the world's largest inland fisheries. However, two decades of hydropower developments have altered the river discharge and impacted the water available ...
Environment
Nov 3, 2022
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The Himalayas and neighboring mountain ranges (or High Mountain Asia), the planet's most extensive icy systems outside the polar regions, have the world's largest undeveloped hydropower potential and are seeing numerous dams ...
Earth Sciences
Jun 29, 2022
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Nearly 20 million people live in Southeast Asia's Mekong Delta, which is also the source of 7–10% of internationally traded rice. But the delta will be nearly entirely underwater by the end of the century if water management ...
Environment
May 6, 2022
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A new fitness tracker that's very much like a "Fitbit for fish" is revealing new information about fish health and behavior. The first-of-its-kind device uses multiple sensors to wirelessly track what a fish experiences in ...
Ecology
Apr 4, 2022
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Over the last two decades, almost 1,000 hydropower dams have been built around the globe. And while these dams provide many benefits to farmers, wildlife and the climate, the costs of their construction on local communities ...
Environment
Mar 15, 2022
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Waterfalls have a specific threshold of water flow that must be maintained to preserve their characteristic sound and appearance, according to research that used audio recordings and images to monitor waterfalls in Europe. ...
Earth Sciences
Nov 29, 2021
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Hydropower, hydraulic power, hydrokinetic power or water power is power that is derived from the force or energy of falling water, which may be harnessed for useful purposes. Since ancient times, hydropower has been used for irrigation and the operation of various mechanical devices, such as watermills, sawmills, textile mills, dock cranes, and domestic lifts. Since the early 20th century, the term is used almost exclusively in conjunction with the modern development of hydro-electric power, the energy of which could be transmitted considerable distance between where it was created to where it was consumed.
Another previous method used to transmit energy had employed a trompe, which produces compressed air from falling water, that could then be piped to power other machinery at a distance from the energy source.
Water's power is manifested in hydrology, by the forces of water on the riverbed and banks of a river. When a river is in flood, it is at its most powerful, and moves the greatest amount of sediment. This higher force results in the removal of sediment and other material from the riverbed and banks of the river, locally causing erosion, transport and, with lower flow, sedimentation downstream.
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