Long Term Estimations of Low Frequency Noise Levels over Water from an Off-Shore Wind Farm

Journal Article

Title: Long Term Estimations of Low Frequency Noise Levels over Water from an Off-Shore Wind Farm
Publication Date:
January 10, 2014
Journal: Journal of the Acoustical Society of America
Volume: 135
Issue: 3
Pages: 1106-1114
Publisher: Acoustical Society of America
Stressor:

Document Access

Website: External Link

Citation

Bolin, K.; Almgren, M.; Ohlsson, E.; Karasalo, I. (2014). Long Term Estimations of Low Frequency Noise Levels over Water from an Off-Shore Wind Farm. Journal of the Acoustical Society of America, 135(3), 1106-1114.
Abstract: 

This article focuses on computations of low frequency sound propagation from an off-shore wind farm. Two different methods for sound propagation calculations are combined with meteorological data for every 3 hours in the year 2010 to examine the varying noise levels at a reception point at 13 km distance. It is shown that sound propagation conditions play a vital role in the noise impact from the off-shore wind farm and ordinary assessment methods can become inaccurate at longer propagation distances over water. Therefore, this paper suggests that methodologies to calculate noise immission with realistic sound speed profiles need to be combined with meteorological data over extended time periods to evaluate the impact of low frequency noise from modern off-shore wind farms.

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