单词	bathymetry
释义	bathymetry /ˌbəˈθɪmətri / noun [mass noun] The measurement of depth of water in oceans, seas, or lakes.Each of those sections commences with an overview of the relevant oceans, oceanography, bathymetry, and meteorology.... Measuring the relief of the ocean floor, expressed as the varying depth below sea level, is the chore known as bathymetry. The pre-eruption bathymetry shows a submarine extension of the Tar River valley. Derivatives bathymetric /ˌbaθɪˈmɛtrɪk / adjective ... In 2000, he completed a 40-year bathymetric compilation and topographic interpretation of the greater Indian Ocean, from the northernmost shores to Antarctica. High-resolution bathymetric data and side-scan sonar surveys of pockmarks, depressions up to 300 m long, were obtained by using an autonomous underwater vehicle. Bowers has participated in nine geophysical research cruises on which she has collected and processed a variety of information, including magnetic, seismic, bathymetric, and gravity data. Origin Mid 19th century: from Greek bathus 'deep' + -metry.
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