Ocean Mapping
Introduction to hydrography: geomatics aspects, trends and prospects, role in offshore management. Depth determination: seabed and seawater properties, non-acoustic methods, underwater acoustics, vertical and oblique incidence methods, bathymetric and imaging methods.
Course Outline
- Introduction – Course Overview
- Typical Applications of Submarine Acoustic Imaging
- Acoustic Sources and Receivers
- Environment
- Propagation
- Refraction
- Nautical Charting
- Range Resolution
- Angular Resolution
- Single Beam and Surveying
- Sidescan Surveying
- Bathymetric Sidescan
- Beam Steering – Time, Phase and FFT methods
- Multibeam Geometry
- Multibeam Bottom Detection
- Multibeam Active Motion Compensation
- Orientation (Roll, Pitch and Heading) Measurement
- Vertical Positioning Requirements – Short-Period (Heave)
- Vertical Positioning Requirements – Long-Period (Tides)
- Horizontal Positioning Requirements – Acoustic Positioning
- Airborne Bathymetric Lasers
- Survey Planning – Swath Bathymetry
* Note: Course outline subject to change
Instructor: Dr. Ian Church