Introduction to Hydrography

Introduction to Hydrography

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