echo sounding

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  • noun

Synonyms for echo sounding

determining the location of something by measuring the time it takes for an echo to return from it

References in periodicals archive ?
Coastal change resulting from these disturbances (and from the natural forcing of change by storms and continuing sea-level rise) are documented using a combination of historical charts dating from 1759, aerial photography since 1935, Canadian Hydrographic Service (CHS) field sheets and other single-beam echosounding surveys since 1959, and precision single-beam and sweep multibeam echosoundings collected in 1998 and 1999.
Echosounding ships repeating previous mapping tracks also recorded a difference in the depth of the sea-floor where the lava flow had erupted.