Pressure & Air Volume
Volume of a Closed Air Space on Ascent
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Pressure and Closed Air Spaces
Divers are more concerned about the effects of pressure on closed air spaces. These spaces can change in volume or even become damaged as pressure changes.
An example is your wetsuit, which compresses as you descend and expands during ascent. Your body also contains air spaces that can become closed if you are unhealthy or fail to take safety precautions. The next chapter covers these air spaces and how to protect them from pressure-related injuries.
The most severe rate of change in volume occurs from the surface to a depth of about 33 feet. This is because the pressure doubles with just 33 feet of depth. For this reason, you need to be particularly careful with air spaces in shallow water.
An example is your wetsuit, which compresses as you descend and expands during ascent. Your body also contains air spaces that can become closed if you are unhealthy or fail to take safety precautions. The next chapter covers these air spaces and how to protect them from pressure-related injuries.
The most severe rate of change in volume occurs from the surface to a depth of about 33 feet. This is because the pressure doubles with just 33 feet of depth. For this reason, you need to be particularly careful with air spaces in shallow water.
