What specific risk increases with deep wreck diving?

Deep wreck diving introduces the risk of extended narcosis, commonly known as nitrogen narcosis. As divers descend to greater depths, the partial pressure of nitrogen increases, which can lead to a state that mimics intoxication. This condition can impair judgment, coordination, and decision-making abilities, significantly altering how a diver responds to underwater situations.

At deeper depths, the environment becomes more challenging; divers may struggle with critical decisions if they experience narcosis, thereby increasing the likelihood of accidents or accidents being overlooked. It's essential for divers to be aware of this risk and to manage their dives accordingly, such as by staying within the limits of their training and experience.

In the context of diving operations, while reduced visibility and equipment malfunction can present risks, they are more closely related to specific conditions or equipment factors rather than the inherent physiological effects experienced at depth. Also, while encountering marine life can be a concern for divers, the chances of such encounters do not significantly increase solely due to the depth of the dive. Thus, understanding nitrogen narcosis and its effects provides crucial insight for divers engaged in deep wreck diving.