a level of marked change, esp. increase, in the salinity of seawater at a certain depth
Origin of haloclinehalo- + -cline, as in anticline
An intermediate layer of oceanic water in which salinity increases more rapidly with depth than in the layers above and below it.
- a strong, vertical salinity gradient; the (sometimes indistinct) border between layers of water that contain different amounts of salt
halo- + -cline