Seeing the Seafloor Using Sound - Multibeam Sidescan Sonar
The seafloor is often thought of as a stagnate, unchanging part of the Earth's surface, parcticularly in Antarctica. One of the many areas of research in Antarctic conducted aboard research vessels like the N.B. Palmer and the Gould is seafloor mapping. These maps are constructed using multibeam sidescan sonar, which is able to produce very accurate topographical maps of the seafloor.
These maps are used to identify plate structures, volcanic features, regions of hydrothermal vent activity and paths of past glaciers.
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