This module describes hydrography pertaining to nautical charting and navigation. It covers how nautical charts are created, who creates them, the products available, and how to find and use them.
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Types of Marine Surveys
- State the key elements of a hydrographic survey
- Identify the key differences between hydrographic surveys and bathymetric, geophysical and oceanographic survey
History
- Describe the history of hydrographic surveying
Data Collection Systems
- Explain the general operating principles, advantages, and limitations of a single beam echosounder
- Explain the general operating principles, advantages, and limitations of a multibeam echosounder.
- Explain the general operating principles, advantages, and limitations of side-scan sonar
- Explain the basic operation of a CTD
- Explain the general operating principles, advantages, and limitations of LIDAR
System Calibration and Corrector Application
- Explain the vessel offset measurement applied to data sets
- Explain offset measurements applied to data collection sensors
- Explain correctors and offsets applied to hydrographic data
Nautical Charts
- List the different types of nautical charts
- List the different information shown on a nautical chart
- Describe Chart No. 1
- Describe Notice to Mariners
- Demonstrate an ability to read and use a navigational chart in typical commercial and military applications
hydrography, nautical chart, navigation, positioning, sounding, hazards to navigation, GPS, lead line, echosounder, single beam, multibeam, side-scan, sonar, LIDAR, IHO, ENC, DNC, smooth sheet
