- the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- those parts of a map, collectively, that represent surface waters.
Origin of hydrography
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Examples from the Web for hydrographic
Hydrographic surveys and drawing beach charts were a snap in comparison.Inside Seal Team Six by Don Mann Excerpt
December 4, 2011
“Hydrographic Notices, Pacific Ocean,” 1856 to 1873 (p. 106).The Solomon Islands and Their Natives
H. B. (Henry Brougham) Guppy
The hydrographic feature of greatest importance is the Humboldt Current.The Andes of Southern Peru
A hydrographic sheet is prepared on which all the points are plotted which will be useful.Nautical Charts
G. R. Putnam
From 1866 to 1879 it was the hydrographic office of the Navy Department.Historic Shrines of America
John T. (John Thomson) Faris
The originals of these surveys form part of the most precious possessions of the Hydrographic Office of the Admiralty.
- of or relating to hydrographics
- the study, surveying, and mapping of the oceans, seas, and riversCompare hydrology
- the oceans, seas, and rivers as represented on a chart
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for hydrographic
Online Etymology Dictionary, © 2010 Douglas Harper
- The scientific description and analysis of the physical characteristics of Earth's surface waters, including temperature, salinity, oxygen saturation, and the chemical content of water. Oceanography (the study of saltwater bodies) and limnology (the study of freshwater bodies) are subsets of hydrography.
- The mapping of bodies of water.
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