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Seawater - Attenuation of Sound

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Attenuation of sound in seawater:

Seawater - Attenuation of Sound
Temperature (°C)Attenuation (dB/km)
Frequency (kHz)
  0 0.03 0.07 0.14 0.41 1.3   4.6
10 0.02 0.07 0.14 0.33 0.92 3.2
20 0.02 0.06 0.13 0.30 0.70 2.2
30 0.01 0.05 0.13 0.29 0.58 1.6
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Related Topics

Noise and Attenuation

Noise is usually defined as unwanted sound - noise, noise generation, silencers and attenuation in HVAC systems.

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Air - Speed of Sound vs. Temperature

Speed of sound in air at standard atmospheric pressure with temperatures ranging -40 to 1000 °C (-40 to 1500 °F) - Imperial and SI Units.

Liquids - Speed of Sound

Speed of sound in common fluids like water, glycerol, kerosene and more.

Salinity of Water

Salinity - salt content - of fresh, brackish and sea water.

Seawater - Properties

Seawater properties like density, saturation pressure, specific heat, electrical conductivity and absolute viscosity.

Sound - Attenuation and Speed vs. Sound Frequency and Air Humidity

The speed and attenuation of sound in moist air varies with sound frequency and air humidity.

Speed of Sound vs. Elevation, Temperature and Air Pressure

Altitude and speed of sound, temperature and pressure.

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