US Geological Survey
Usgs: Pacific Seafloor Mapping Project
This site describes the details of a project to map the seafloor of the Pacific Ocean. Includes images, movies, links to related information, and more.
Alabama Learning Exchange
Alex: Sonar Mapping of the Ocean Floor
Mapping the ocean floor must be done by indirect observation. One method involves bouncing a sonar signal off of the ocean floor and measuring the length of time this signal takes to return. This length can be translated into distance:...