Intial Information

Question 0

What is the main definition of hydrography?

Answer 0

The branch of applied sciences which deals with the measurements and description of the physical features of the ocean, including the oceans, seas, coastal areas, lakes and rivers, as well as with the prediction of their change over time; for the primary purpose of safety and navigation and in support of all other maritime activities including economic development, security, defence and scientific research.

Question 1

What are the 5 main uses of hydrography?

Answer 1

Ports
Ships
Marine ecosystems 
Coastal defence 
Maritime boundaries

Question 2

Name 4 types of survey

Answer 2

Hydrographic surveys
Bathymetric surveys
Oceanographic surveys
Geophysical surveys

Question 3

What is a hydrographic survey used for?

Answer 3

To gather sounding data an seawater characteristics and to de depict the physical features of an area

Question 4

Why is a Bathymetric survey used for?

Answer 4

Sounding
Depth
Position
Time

Question 5

What is an oceanographic survey used for?

Answer 5

Scientific information in the zone that extends between the water surface and seabed