Environmental acoustics

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environmental acoustics

The general term applied to the study of a variety of atmospheric sound propagation phenomena, including frequency-dependent molecular absorption, refraction by wind and temperature gradients, diffraction by topography, buildings, trees, etc., and scattering by turbulence.

Also of interest are sounds, some of atmospheric origin, ranging from infrasonic emissions by thunderstorms and large explosions to ultrasonic emissions by high-power turbines and transducers used for materials testing.

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