mixed layer

American  

noun

Oceanography.

1. the surface layer of water, seasonally varying in thickness, that is at almost uniform temperature owing to agitation by waves and wind.

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Example Sentences

The researchers looked at samples taken from three levels of water: the summer mixed layer, the upper Arctic water below it and the Pacific-origin water at the deepest level.

From Science Daily • Feb. 20, 2024

That abundance of dry air can be drawn eastward, forming what’s called an elevated mixed layer, or a cap of warm, dry air that suppresses storm growth during much of the day.

From Washington Post • Feb. 25, 2021

If you�re really intent on becoming your own Al Roker, you can access more in-depth information pertaining to such factors as sea-surface temperatures and mixed layer depth.

From Time Magazine Archive

This would produce a stratum of coarse sand, and the same effect might result from the blowing away of light particles out of a mixed layer, while the heavier remained undisturbed.

From The Earth as Modified by Human Action by Marsh, George P.