Bounce diving, in the context of underwater diving, may refer to: In surface supplied diving, surface oriented diving, where the breathing gas is supplied from the surface, and the dive starts and ends at surface atmospheric pressure, In bell bounce diving the diver is transported to and from the underwater workplace in a closed diving bell or lock-out submersible, and decompressed to surface pressure after the dive, without the use of saturation techniques. In recreational diving, Dive profile#Bounce profile, where the diver descends directly to maximum depth, remains there fore a short bottom time, and ascends directly to the surface with any necessary decompression, but commonly without obligatory decompression,. In New Zealand occupational diving, Dive profile#Bounce profile, "repetitive diving to depths shallower than 21 m with less than 15 minutes surface interval between consecutive dives"