NSPS-THSOA Certified Hydrographer (CH)

What physical principle does an Acoustic Doppler Current Profiler (ADCP) use to measure water velocity?

Doppler frequency shift of acoustic pulses reflected by scatterers Pressure differential across a Venturi constriction Electromagnetic induction in a conducting fluid Time-of-flight of laser pulses through water

Correct Answer:

Doppler frequency shift of acoustic pulses reflected by scatterers

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