Page 49 - The ROV Manual - A User Guide for Remotely Operated Vehicles 2nd edition
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Pressure
Temperature
Sonic velocity
2.2 Chemical oceanography 37
0
500
1000
1500
2000
2500
3000
Pressure Temperature Sonic Velocity
FIGURE 2.9
Variations of pressure and temperature with depth producing sound velocity changes.
Sound velocity
1
2
3
4
Sound velocity
Sound rays Sound channel
Deepwater mass
Shadow zone
Deepwater mass
1
2
3
4
FIGURE 2.10
Sound velocity profiles and channeling at various depths and layers.
Depth (km)
Depth (km)
Depth (m)
