The use of a dBA L90/L95 limit for operational wind farms, that rely upon a regression analysis of wind and noise that is averaged over time, does not relate to… Click to show full abstract
The use of a dBA L90/L95 limit for operational wind farms, that rely upon a regression analysis of wind and noise that is averaged over time, does not relate to complaints of disturbance. The relevance of the wind farm noise contribution versus the true L90 background level versus wind speed, the percentage of time above the nominal permit condition, and the impact of special audible characteristics is discussed.
               
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