Surveying also aids in ship navigation, by supplying possible paths that a vessel may take. Selected ocean routes may well lie at lower depths or could possibly have rocks and coral deposits. This poses An important Risk to ships and for this reason should be recorded appropriately. By charting Harm

Surveyors need to be careful to grasp the situation and to calibrate the echo sounder. Sometimes, it is actually tough to establish the particular bottom a result of the existence of the column of sentimental mud close to the sea bed. A dual frequency echo sounder assists in this situation to ascert