Hydrography Introduction Flashcards
1
Q
What is hydrography?
A
A science that allows us to build up knowledge of the physical aspects of the sea floor and the land areas adjacent to it
2
Q
What are the uses of hydrography?
A
- Measure depth
- Navigation
- Making detailed maps
- Maintaining Ports and Harbours
- Oil and Gas
- Coastal Management
- Military operations
- Discovering wrecks
- Spotting anomalies
3
Q
What type of instruments do hydrographers use?
A
- Acoustics
- Positioning
- ROVs
- AUVs
- Remote sensing - don’t directly interact eg lasers and satellites
- Auto subs
4
Q
What are the areas of application?
A
- Ocean exploration
- Coastal ecology surveys
- Oil and Gas
- Dredging and Ports
- Navigation
- Seabed Classification
5
Q
Ocean exploration
A
- sub sea morphology
- Ocean trenches
- submarine sea mounts
- sound travelling in water
6
Q
Coastal ecology surveys
A
- zonation
- pollutants
- habitats of organisms
- intertidal regions
7
Q
Oil and gas
A
- position of oil and gas
- risers/platform positions
- tidal impacts
- measurement techniques
8
Q
Dredging and ports
A
- navigation channels
- harbours and Ports
- areas for beach nourishment
- monitoring infrastructure
9
Q
Navigation
A
- safe areas of passage
- charting areas
10
Q
Seabed classification
A
- seabed types
- identification of habitats and organisms
