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Underwater noise of operating wind turbines
Author: Discovery of Sound in the Sea
As a turbine operates, vibrations inside the nacelle (the housing that contains the generator, gearbox, and other parts) are transmitted down the main shaft of the wind turbine and into its foundation. These vibrations then propagate into the water column and seafloor. Mechanical noise generated by offshore turbines is concentrated at low frequencies below 1kHz, generally below 700 Hz. Bockstigen-Valar, Sweden Underwater recording taken less than 50 m from a 500 kW turbine operating at the Bockstigen-Valar offshore wind farm (Baltic Sea, . . .
More »Bisphenol A Pollution from Wind Turbines
Author: Smith, Tim
What is Bisphenol A? Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics and epoxy resins. “Bisphenol A is the most toxic substance we know’ —Swedish Environmental Protection Agency New EU Hazard Classes 2023 • Endocrine disruption for human health • Very persistent, very bioaccumulative • Endocrine disruption for the environment • Very persistent, very mobile Avoid release to the environment! A different process takes place on the trailing edge . . .
More »Beton und Stahl für den Windrad-Bau in der Wilstermarsch [Concrete and steel for wind turbine foundations]
Author: Schleswig-Holstein Magazin
06.12.2021 | Schleswig-Holstein Magazin
More »Iowa Farmer
Author: Pichan, Stave
Do you hear the sound keeps my kids awake In fields where peace used to reign? Notice the horizon, the obstructed view All I see are those blades The turning and whirling, the deafening sound Killin’ the birds, spoiling the ground around me [chorus] An Iowa farmer has been taken by charmers Who came waving that green stuff Took over my land What did I get from the deal that was made? When they planted those turbines Now I live . . .
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