![Launch acquisition](https://webarchive.library.unt.edu/eot2008/20080917001547im_/http://www.moc.noaa.gov/fa/website/images/operations/Launch_coxn.jpg) |
Hydrographic data are primarily used to update nautical charts, which provide the mariner with the latest information for safe navigation. Aside from providing depth values to be charted, hydrographic data can also be used for tsunami modeling, fisheries research, port and harbor maintenance, coastal zone management, and offshore resource development.
For a brief overview read an essay about the survey department written by a FAIRWEATHER summer intern.
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