Pycnocline — Free Oceanography Illustration

Oceanography

Pycnocline

2D diagram of a stratified ocean water column shown as a narrow rectangular profile with stacked blue layers. The upper layer is pale to light blue, representing lower-density water, and the deeper layer is dark blue to blue-gray, representing higher-density water. Between them is a thin, compressed horizontal pycnocline in the middle of the column: a narrow transition band with a strong light-to-dark blue gradient, rendered as smooth but sharply confined, and possibly slightly hazy or gently wavy. The band clearly marks a rapid increase in density with depth and strong vertical stratification.

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