Acoustics

Multibeam Bathymetry

Using a swath of sound to map the seafloor

Acoustic Doppler Current Profiler (ADCP)

Scientists use the ADCP to measure how fast water is moving across an entire water column.

Source: Ocean Instruments

Autonomous Hydrophone Array (AHA)

Hydrophones “hear” and record sound waves in the ocean.

Sonar Single Beam

Mapping the ocean floor with echo sounding