Understanding Altitude Diving

Underwater diving at altitudes above 300m.

Altitude diving is a specialized type of scuba diving that takes place at high altitudes, typically in mountain lakes. This form of diving presents unique challenges and requires specific knowledge and skills to ensure safety. This article will cover the physiological effects of altitude diving, the techniques involved, necessary equipment adjustments, and safety and emergency procedures.

Physiological Effects of Altitude Diving

The primary difference between sea level diving and altitude diving is the reduced atmospheric pressure at higher altitudes. This affects the rate at which nitrogen is absorbed and released by the body, which in turn impacts decompression schedules. Divers must understand and account for these changes to avoid decompression sickness.

Altitude Diving Techniques

Altitude diving requires adjustments to traditional diving techniques. Divers must learn to compensate for the reduced buoyancy at altitude, which can affect their ability to maintain neutral buoyancy. Additionally, navigation can be more challenging in altitude diving due to the often murky waters of mountain lakes.

Equipment Adjustments for Altitude Diving

Diving at altitude requires some equipment adjustments. Divers may need to use more weight to achieve neutral buoyancy due to the reduced atmospheric pressure. Additionally, dive computers or tables designed for sea level use may not provide accurate decompression information at altitude. Divers should use altitude-adjusted tables or computers to plan their dives.

Safety and Emergency Procedures for Altitude Diving

Safety is paramount in all forms of diving, and altitude diving is no exception. Divers should always dive with a buddy and make sure they are both well-versed in emergency procedures. It's also important to remember that emergency medical help may be further away when diving in remote mountain locations, so divers should be prepared to handle emergencies on their own until help arrives.

In conclusion, altitude diving offers a unique and exciting challenge for experienced divers. However, it requires a solid understanding of the physiological effects of altitude on the body, as well as adjustments to equipment and techniques. With proper preparation and safety measures, altitude diving can be a safe and rewarding experience.