1. New IHO Manual on Hydography
Chapters
1 Principles of hydrographic surveying, including specs
�2 Positioning
�3 Depth determination: principles & techniques
�4 Sea floor classification & object detection
�5 Water levels and flow
�6 Topographic surveying applied to hydrography
�7 Structured details of hydrographic practice
�Annexes, Acronyms, Bibliography etc.
540 pages total
February 2005
IHO Manual on Hydrography
IHO Manual on Hydrography

2. 1 Principles of hydrographic surveying
Survey specifications
Survey planning
Data gathering
Data processing
Data analysis
Data quality
Data quality presentation (reliability diagrams, ZOCs)
Data production
Nautical information system (compilation, presentation)
Zafaryab (Pakistan) 26 pages
February 2005
IHO Manual on Hydrography
IHO Manual on Hydrography

3. IHO Manual on Hydrography
2 Positioning
Principles (the earth, datum, coordinate systems, cartography, projections)
Horizontal control (triangulation, trilateration, traverse, photogrammetry)
Levelling (geometric, trigonometric, GPS)
Instruments for control (GNSS, electronic, optical)
Positioning methods (GNSS, radio, acoustic, optical)
Lamberti & di Lieto (Italy) & Lawrence (UK) 85 pages
February 2005
IHO Manual on Hydrography

4. IHO Manual on Hydrography
3 Depth Determination
Acoustics (characteristics, sound speed, propagation, parameters)
Motion sensors (inertial principles, RPH sensors, heading)
Transducers (principle, beamwidth, single & multi, mounts)
Acoustic systems (single beam, swath)
Non-acoustic systems (LIDAR, electromagnetic, photbathymetry, lead line, sweep)
Freitas (Portugal) 81 pages
February 2005
IHO Manual on Hydrography

5. 4 Seabed classification / feature detection
Feature detection (requirements, methods: sidescan, MBES, magnetometer, sweeps, other)
Seafloor characterization (principles, theory, methods)
Johnson (Australia) 54 pages
February 2005
IHO Manual on Hydrography

6. IHO Manual on Hydrography
5 Water levels and flow
Tides (theory, support functions, methods: planning, zoning, operation, processing, datum computation, tide reducers, KGPS)
Currents (principles, measurement, prediction)
Mills & Gill (US) 48 pages
February 2005
IHO Manual on Hydrography

7. 6 Topographic surveying
Topography, coastline delineation, AtoN positioning (specs, methods, coastal & harbour land surveys)
Remote sensing (photogrammetry, non-photogrammetric; satellite sensors, image processing)
Mayer & Salgado (Argentina) 108 pages
February 2005
IHO Manual on Hydrography

8. 7 Hydrographic practice
Survey planning (requirements, horizontal & vertical control, sounding and sampling, coastine, other, teamwork, data compilation, checking, rendering, scheduling, costs, liason)
Reconnaissance (general, geodetic, tidal)
Data acquisition (horizontal & vertical control, environment, line layout - cross, main, inter & exams)
Coastline delineation (detail required, drying line, land heights, foreshore, coastline, air photos)
Data processing (bathymetry, feature detect, ancillary)
Data rendering (ROS, data required, format, density, media)
Wilson & Wyatt (UK) 74 pages
February 2005
IHO Manual on Hydrography

9. IHO Manual on Hydrography
Appendices
Survey planning & estimation guide
Horizontal positioning systems & selection criteria
Bandwidth classification of radiopositioning systems
Radiopositioning systems in the field
System diagrams
Specimen report of survey
February 2005
IHO Manual on Hydrography