What is Hydrography? And Why is it So Important?
6/7/2021 - By NOAA's Office of Coastal Survey. Hydrography is the science that measures and describes the physical features of the navigable portion of the Earth's surface and adjoining coastal areas. Hydrographic surveyors study these bodies of water to see what the "floor" looks like. Under the Department of Commerce, NOAA and… SEE MORE