The search effort was also continuing on the ocean surface today.

Measuring ocean surface shape from satellites has a relatively short history.

We can only see a small fraction above the ocean surface.

So the film features amazing cinematography both underwater and on the ocean surface.

Bottom-dwelling crab, shrimp and eels have been found swimming on the ocean surface.

By comparison, the global land and ocean surface temperatures are heating up much faster.

This project is also about more than just pinpointing locations on the ocean surface.

Both Kadovar and Biem were strato-volcanoes whose bases were very deep below the ocean surface.

Deep insight Knowing ocean surface elevation has many and varied applications, both short-term and long-term.

The amount of ocean surface covered with sea ice has been measured by satellite since 1979.

It was hollow, and full of machinery going all the way down to the ocean surface.

Offshore wind is best, smoothing the ocean surface.

But the centre said on Thursday that crews would continue searching the ocean surface into next week.

Colossal rounded backs, barnacle-encrusted, smoothly cleaved the ocean surface, and languid flukes gracefully arched into the sky.

The storm is moving slowly - at just 17kmh - as it crawls north-west across the ocean surface.

There are also perhaps millions of barrels of oil lingering beneath the ocean surface, according to federal government estimates.