echo sounding
"Echo sounding" is essential for measuring underwater depths and locating objects, playing a crucial role in marine navigation, hydrography, and fishing.
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Definition
C1Navigation
(technical)A method for measuring water depth by sending sound waves and recording the time it takes for them to reflect back from the seabed.
Example
- Ships use echo sounding to avoid underwater hazards.
C1Hydrography
(technical)A technique for mapping underwater topography by transmitting sound pulses and measuring their return time.
Example
- Echo sounding helps create detailed maps of the ocean floor.
B2Fishing
(technical)A method to locate fish by emitting sound waves and detecting the echoes from schools of fish.
Example
- Fishermen rely on echo sounding to find abundant fishing spots.
Similar
Terms that have similar or relatively close meanings to "echo sounding":