Controlling Machinery Induced Underwater Noise - NOAA
Controlling Machinery Induced Underwater Noise - NOAA
Controlling Machinery Induced Underwater Noise - NOAA
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Atten, dB<br />
100<br />
90<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
Ocean Attenuation<br />
Attenuation at 10 km<br />
(Spherical spreading = 80 db)<br />
10 20 40 80 160 315 630 1250 2500 5000 10000 20000 40000<br />
Freq, Hz
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