PYQ · APPSC Group II 2019 · Screening Test · Q14 Difficulty 2/5
Physical Geography: Earth, Landforms and Oceans› Oceans: Currents, Tides, Temperature and Water Distribution
A study of mapping the sea floor is known as
Answer b.
Explanation Answer · b
The answer is (b) Bathymetry, the measurement and mapping of the depth and shape of the sea floor. Bathymetry is the study and mapping of underwater depth, in the way that topography maps the land. It is done today with echo sounders (sonar) and satellite altimetry, and it produces charts of ocean-floor relief such as ridges and trenches. Oceanography is the wider study of the oceans, which includes bathymetry but is not specifically sea-floor mapping.
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