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Seawater - Attenuation of Sound

Attenuation of sound in seawater vs. temperature and frequency.

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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