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Resource Documents: Offshore (30 items)
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Erfassung der nordwestlichen deutschen AWZ im Herbst
Author: Dierschke, Volker; and Borkenhagen, Kai
[Bird and marine mammal surveys in German North Sea zones designated for offshore windpower development – The survey flights (September 9 and 29, 2025) were carried out by the umbrella organization of German avifaunists (DDA) as part of the marine biodiversity monitoring of the Federal Agency for Nature Conservation (BfN).] Die Flüge wurden vom Dachverband Deutscher Avifaunisten e.V. (DDA) im Rahmen des Marinen Biodiversitätsmonitorings des Bundesamtes für Naturschutz (BfN) durchgeführt. Bericht: Volker Dierschke, Kai Borkenhagen Bedingungen / Weter: 9.9. Wenig Wind . . .
More »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 »On the prediction of underwater aerodynamic noise of offshore wind turbines
Author: Botero-Bolívar, Laura; et al.
Abstract. The growing demand for offshore wind energy has led to a significant increase in wind turbine size and to the development of large-scale wind farms, often comprising 100 to 150 turbines. However, the environmental impact of underwater noise emissions remains largely unaddressed. This paper quantifies, for the first time, the underwater aerodynamic noise footprint of three large offshore turbines (5 MW, 10 MW, and 22 MW) and wind farms composed of these turbines. We propose a novel methodology that integrates validated wind . . .
More »Effect of particles from wind turbine blades erosion on blue mussels Mytilus edulis
Author: Bedulina, Daria; et al.
Highlights First controlled lab experiment to study biological effects of LEE particles Application of an innovative analytical toolbox for effect assessment Enrichment factors for metals and metalloids determined in M. edulis ranged between 0.93 and 6.1 Metabolite investigation of the mussels’ entire soft body tissue revealed only weak MP-induced changes Abstract Offshore wind farms (OWFs) pose new anthropogenic pressures on the marine environment as the erosion of turbine blades release organic and inorganic substances with potential consequences for marine life. . . .
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