A wind gradient results in sound waves propagating upwind being 'bent' upwards ... This is often referred to as the CANYON EFFECT. Ref.: D. Aylor, "Noise Reduction by Vegetation and Ground", Journal ...

For years, some people have claimed the sound of ... whether turbine noise impaired mental functioning. “We used recordings ...

Concerns about the effect of wind turbine noise on whales are overblown ... unlike a sharp, percussive sound — is unlikely to penetrate far into the water, he said. “There’s no reason ...