Still water level — Free Oceanography Illustration | GPAI | GPAI

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Still water level — Free Oceanography Illustration | GPAI | GPAI

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Still water level

Still water level

Oceanography

Still water level

A perfectly straight, flat horizontal reference line representing the undisturbed calm water surface or average sea level. Drawn in simple textbook diagram style as a thin blue, blue-gray, gray, or black line, smooth and unbroken with no wave curvature, often passing through the midpoint of a wave profile as a reference level.

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