USGS Coastal and Marine Hazards and Resources

Sound Waves Newsletter

USGS Scuba Diving Expertise: An Important Tool in Marine Research

Acoustic Doppler Current Profilers: Divers retrieve an Acoustic Doppler Current Profiler (ADCP) from the bottom of Lake Michigan. ADCPs provide key information on water flow and are capable of measuring velocities of both groundwater and surface water. Video shot by Jeffrey Allen (USGS) and edited by Matthew Cimitile (USGS).

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