Which type of technology is used to map the ocean floor?

Technologies used to explore outer space and the ocean include submersibles, remotely operated vehicles (ROVs), satellites, rovers, diving/scuba gear, buoys, mega corers, water column samplers, and sonar for mapping.

Sound navigation and ranging. Today's technology lets scientists to study the ocean in a quicker and precise way. There are three tools used to map the ocean floor, sonar, satellites, and submersibles. Sonar is a type of electronic depth-sounding equiptment made in the 1920's. It is an acronym for sound navigation and ranging.