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Directional wave gauge and current profiler

By Pacific Coastal and Marine Science Center
Underwater photo with coral reef sloping downward to left, and a yellow wave gauge and current profiler is secured to the reef.
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Detailed Description

This instrument measures wave height, wave direction, current speed, and current direction. The instrument has been installed on the fore reef of Roi-Namur Island of Kwajalein Atoll in the Pacific Ocean.

Sources/Usage

Public Domain.