The word "hydrographic" refers to anything related to the measurement and mapping of bodies of water, such as oceans, rivers, and lakes. Full definition
these techniques were used from the start of hydrographic surveying, dating. (petesgrillandpizza.com)
His warning is either directly communicated by wireless to land or relayed from ship to ship until it eventually reaches the United States Hydrographic Office at Washington, D. C. Wrecks, derelicts, ice, and other obstructions to navigation are promptly reported. (scientificamerican.com)
«For example, it can be used for underwater inspection tasks, as well as for collection of hydrographic data. (digitaltrends.com)