Animation: Vessel-mounted current measurements
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A vessel-mounted ADCP relies on the same principles as a stationary ADCP, producing a profile of the currents between the vessel and the seabed. However, vessel-mounted ADCPs encounter an extra layer of complication while measuring, because the vessel on which they are mounted is moving. This means the ADCP will have to account for the speed and direction of the vessel when determining the velocity of the currents beneath it.
Thankfully, an ADCP can also calculate the speed of the vessel over the seabed, using a technique called ''bottom tracking''.
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