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Images: New Data on Deep Sea Turbulence Shed Light on Vertical Mixing

The principal tool for work described in this article is the high resolution profiler. It records temperature, salinity, pressure, and horizontal velocity 10 times per second on descent to the ocean floor, then returns to the surface. For a detailed discussion of the instrument's development, see the Spring/Summer 1995 issue of Oceanus.

Circulation schematic of the world's major water masses. Of concern here are the mixing processes that modify the bottom and deep waters within the cold-to-warm limbs of the overturning circulation.

A schematic drawing of turbulent processes at work in the ocean.