soundings
Related Words
depthbathymetryoceanographysonarechoplumbplumb lineleadfathomseabedbottomwateroceansealakenavigationchartmaptopographyhydrographymeasurementprobeexplorationinvestigationassessmentgaugesensortransduceracousticfrequencywavepingunderwatermarinemaritimenauticalvesselshipboatanchortrenchabyssshelfslopebasinsedimentpressurealtitudeverticaldistancescalemetricdatumsurveyor