Particle Motion Measured at an Operational Wind Turbine in Relation to Hearing Sensitivity in Fish

Journal Article

Title: Particle Motion Measured at an Operational Wind Turbine in Relation to Hearing Sensitivity in Fish
Publication Date:
July 19, 2011
Journal: Journal of the Acoustical Society of America
Volume: 130
Issue: 1
Pages: 200-207
Publisher: Acoustical Society of America
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Document Access

Website: External Link

Citation

Sigray, P.; Andersson, M. (2011). Particle Motion Measured at an Operational Wind Turbine in Relation to Hearing Sensitivity in Fish. Journal of the Acoustical Society of America, 130(1), 200-207.
Abstract: 

The effect of sound pressure on the hearing of fish has been extensively investigated in laboratory studies as well as in field trials in contrast to particle motion where few studies have been carried out. To improve this dearth of knowledge, an instrument for measuring particle motion was developed and used in a field trial. The particle motion is measured using a neutrally buoyant sphere, which co-oscillates with the fluid motion. The unit was deployed in close vicinity to a wind turbine foundation at Utgrunden wind farm in the Baltic Sea. Measurements of particle motion were undertaken at different distances from the turbine as well as at varying wind speeds. Levels of particle motion were compared to audiograms for cod (Gadus morhua L.) and plaice (Pleuronectes platessa L.).

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