How much does ocean salinity vary with depth?
Salinity changes a lot as you go deeper into the ocean. The satellite can only "see" the ocean surface, a very thin layer around a few centimeters.
Learn More
- What Does Salinity Look Like?
- Explore how salinity changes over depth, from the ocean's surface to the deepest depths, at World Ocean Atlas, an interactive database. Click on "Salinity" to access global salinity maps, and then choose from a range of depths (surface to 4000 m).
