Oceanography (seafloor mapping): Our knowledge of ocean-basin topography has been obtained using which method(s)? Consider geophysical and acoustic techniques used to map the seabed. Choose the correct option.
General Knowledge
World Geography
Difficulty: Easy
Choose an option
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ASeismic surveying
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BEcho sounder
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CSide-scan sonar
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DAll of the above
Answer
Correct Answer: All of the above
Explanation
ConceptSeafloor topography is mapped via echo sounding (single-beam), side-scan sonar and multibeam bathymetry, as well as seismic surveying for sub-seafloor structure. Hence, all listed methods contribute.