Editing Hydrography (section)

{{distinguish|Hydrograph}}
{{Short description|Measurement of bodies of water}}
{{More citations needed|date=December 2020}}
[[Image:Table of Geography and Hydrography, Cyclopaedia, Volume 1.jpg|thumb|right|300px|Table of geography, hydrography, and navigation, from a 1728 ''[[Cyclopaedia, or an Universal Dictionary of Arts and Sciences|Cyclopaedia]]''.]]
'''Hydrography''' is the branch of applied sciences which deals with the measurement and description of the physical features of [[ocean]]s, [[sea]]s, [[Coast|coastal areas]], [[lake]]s and [[river]]s, as well as with the prediction of their change over time, for the primary purpose of safety of navigation and in support of all other marine activities, including economic development, security and defense, scientific research, and environmental protection.<ref>{{cite web|url= http://www.iho.int/srv1/index.php?option=com_content&view=article&id=299&Itemid=289|title= International Hydrographic Organization|access-date= 2013-10-20|archive-url= https://web.archive.org/web/20140724100423/http://www.iho.int/srv1/index.php?option=com_content&view=article&id=299&Itemid=289|archive-date= 2014-07-24|url-status= dead}}</ref>