The study of marine hydrography involves mapping the ocean floor and understanding ocean currents.
Sailors rely on accurate hydrographic charts to navigate safely through unfamiliar waters.
Coastal hydrography focuses on the mapping and measurement of the coastline and nearshore waters.
A hydrographic survey was conducted to gather data on the depth and features of the riverbed.
The collection and analysis of hydrographic data is essential for understanding water bodies and planning marine activities.