Hydrography6 min read
Reading a seabed through sound
A sonar return is a measurement, not a picture of the ocean floor. Turning it into a useful chart means accounting for the water, the moving vessel, and what the echo cannot identify on its own.
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A sonar return is a measurement, not a picture of the ocean floor. Turning it into a useful chart means accounting for the water, the moving vessel, and what the echo cannot identify on its own.