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A sailor and a man on shore, both sounding the depth with a line. Depth sounding, often simply called sounding, is measuring the depth of a body of water. Data taken from soundings are used in bathymetry to make maps of the floor of a body of water, such as the seabed topography. Soundings were traditionally shown on nautical charts in fathoms ...
Bathometer – A scientific instrument for measuring water depth; Bathymetric chart – Map depicting the submerged terrain of bodies of water; Coastal morphodynamics – Interaction of shoreline seafloor topography and fluid hydrodynamic processes; Depth gauge – Instrument that indicates depth below a reference surface
A bathometer (also bathymeter) is an instrument for measuring water depth. [1] [2] It was previously used mainly in oceanographical studies, but is rarely employed nowadays. The term originates from Greek βαθύς (bathys), "deep" and μέτρον (métron), "measure".
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water . It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight , along with knowledge of the speed of sound in water, allows determining the distance ...
A depth gauge is an instrument for measuring depth below a vertical reference ... With water depth, the ambient pressure increases 1 bar for every 10 m in fresh water ...
Bathymetry – Study of underwater depth of lake or ocean floors Bathymetric chart – Map depicting the submerged terrain of bodies of water; Echo sounding – Measuring the depth of water by transmitting sound waves into water and timing the return; Hydrography – Measurement of bodies of water
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