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ear barotrauma
A condition that occurs when pressure changes result in damage to the ear structures, often associated with diving or altitude changes.
Examples:
- Divers must equalize their ears frequently to prevent ear barotrauma during descent.
- Symptoms of ear barotrauma can include pain and hearing changes when diving or flying.
equalization
The process of adjusting the pressure in the middle ear to match the ambient pressure, commonly used in diving to relieve ear pressure as one descends.
Examples:
- Equalization is crucial for divers to avoid discomfort and potential injury as they go deeper underwater.
- Many divers learn various equalization techniques to deal with pressure changes effectively.
thermal stratification
The layering of water at different temperatures, which can affect sound transmission and pressure sensation as divers change depth.
Examples:
- Thermal stratification can lead to sudden changes in pressure felt in the ears while diving.
- Understanding thermal stratification helps divers prepare for sensory changes during a dive.
acoustic impedance mismatch
The phenomenon that occurs when sound travels through substances of different densities, influencing how sounds are perceived as depth changes during a dive.
Examples:
- Divers may notice a changed perception of sound as they dive due to acoustic impedance mismatch.
- This mismatch affects how divers communicate underwater, requiring special equipment.