Lionel Carter: Oceanography

Lionel Carter first started exploring the oceans using sextants and sonar - now he's using satellite scanning and computer analysis to understand the deep ocean and protect undersea cables from its hazards.

A satellite map of the world's sea floor

A map of New Zealand's sea floor

A map of deep sea cables

A map of the worlds currents, cold currents are in blue and run beneath the warmer currents

The images in this gallery are used with permission and are subject to copyright conditions.