Editing Hydrography (section)

=== Equipment ===
[[Unmanned surface vehicle|Uncrewed Surface Vessels]] (USVs) and are commonly used for hydrographic surveys - they are often equipped with some sort of sonar. Single-beam echosounders, [[multibeam echosounder]]s, and [[Side-scan sonar|side scan sonars]] are all frequently used in hydrographic applications. The knowledge gained from these surveys aid in disaster planning, port and harbor maintenance, and various other coastal planning activities.<ref>{{Cite web |last=US Department of Commerce |first=National Oceanic and Atmospheric Administration |title=Hydrographic Surveying |url=https://oceanservice.noaa.gov/navigation/hydro/#:~:text=A%20NOAA%20survey%20ship%20uses,the%20sea%20floor%20and%20back |access-date=2024-01-12 |website=oceanservice.noaa.gov |language=EN-US}}</ref><ref>{{Cite web |title=A Smooth Operator's Guide to Underwater Sonars and Acoustic Devices |url=https://bluerobotics.com/learn/a-smooth-operators-guide-to-underwater-sonars-and-acoustic-devices/ |access-date=2024-01-12 |website=Blue Robotics |language=en-US}}</ref>