Bathymetry
Videos
Bathymetry is the study of underwater depth of ocean floors, river floors, or lake floors. In other words, bathymetry is the underwater equivalent to hypsometry or topography. The first recorded evide
The seafloor topography near the Puerto Rico Trench
Bathymetric chart of Bear Lake
Multibeam echosounder
Videos
A multibeam echosounder is a type of sonar that is used to map the seabed. It emits acoustic waves in a fan shape beneath its transceiver. The time it takes for the sound waves to reflect off the seab
A multibeam image of the USS Susan B. Anthony (AP-72) shipwreck off the coast of France.
A multibeam echosounder showing the transmit array (larger black rectangle) and receive array (narrower rectangle) - Odom MB1