Synonyms to echo sounding

bathymetry, altimetry, aquiculture, bathometry, biometrics, biometry, cadastration, cartography, chorography, craniometry, depth sounding, echolocation, fathomage, fathoming, geodesy, geodetics, goniometry, hydrography, hypsography, hypsometry, marine biology, mensuration, metrology, oceanography, planimetry, psychometrics, psychometry, sonar, sounding, soundings, stereometry, surveying, thalassography, topography, water, astronavigation, celestial navigation, chronometer, coastwise navigation, consolan, dead reckoning, fix, line of position, loran, oce