The available sea depth, the distance from the mean water level to the seafloor, is often an essential parameter for consideration. For navigation of vessels (refer to the article on underwater keel clearance), fishing, oil explorations, rigging, research, and various purposes, estimating the depth of the ocean bottom is indispensable.
An echo sounder is a system that helps understand what is underneath and has been used by most seagoing ships for a long time. This system, which is one of the...