attenuation attenuationthe decrease in the intensity of a wave due to the loss of acoustic energy to heat energy Related Articles: Glossary: transmission lossDistributed acoustic sensing (DAS): Shedding light on passive acousticsSonar Equation Example: Active SonarSonar Equation Example: Passive SonarMarine Mammal Hearing AttenuationSound Scattering LayersHow does sea ice affect how sound travels?How is sound used to monitor and study seagrass beds?How does sound propagate through sediment?How does sound travel in shallow water? Chris Knowlton2017-02-26T20:09:57-05:00