Tunnels would be excavated 100 m under the seabed.

Particular interest is generated by micro organisms in the deep ocean, below the sea floor and deeper into the subsurface.

Down there in the deep place... with her hair waving' soft and lazy, like... meadow grass under floodwater.

Or you could view it as a distance from one trough to the other trough.

Now you've heard of hydrothermal vents, but the other discovery is that deep below the sea floor, there is vast reservoir of microbial activity, which we have only just discovered and we have almost no way to study.

Truth is at the bottom of a bottomless well.

Pool Bottom

'But why did they live at the bottom of a well?'

The bottom of the church.

Subsurface reducing habitats occur when, within the ocean bottom sediment, anoxia is created by the microbial degradation of organic matter.

That's the Russians planting a flag on the ocean bottom to stake a claim for minerals under the receding Arctic sea ice.

This year, unfortunately the lakebed's turned into an absolute cracked dry bed.

Seabed minerals

The riverbed's changed.

Bottom of the sea?

Lurking beneath the sea bed there may be as much as 10 trillion tons of methane stored as frozen crystals at sites around the world.

This has a diamond bottomed lake.

No bottom at 30.

Goes to the bottom of the sea!

We're sounding the harbor bottom.

At the bottom of the fjord.

A. Seabed Disputes Chamber

So, the bottom of the ocean

'Why did they live at the bottom of a well?'

Inside the whale at the bottom of the sea.

Or whistling' down the river

The effect of the provisions of the Convention on the continental shelf was that practically all seabed oil and natural gas resources would fall under the control of coastal States.

So these are tethered vehicles we lower down to the sea floor where they're our eyes and our hands for working on the sea bottom.

Sami hit rock bottom economically.

Marine plants grow on the sea bed.

Snookered. It's a false bottom.

Well, the diver who went down to inspect the bottom of the ship... came across the hull of another boat a little sailboat.

Just a few drops in the bottom of the glass.

Deep towed vehicles can be equipped for studies on archibenthic organisms, preliminary surveys for deep sea exploration by manned and unmanned submersibles and underwater installation of observation instruments.

J. Matters relating to the Seabed Disputes Chamber

It was originally developed for mapping the sea floor.

But I think you can recognize it, the bottom of the

So you actually have waves on the ocean floor.

And in order to do that, you also need ocean basin management regimes.

It would intersect the bottom cone there and it would intersect the top cone over there.

Industrial trawlers and draggers are scraping the sea floor

Why don't we get to the bottom of this mystery?

And for some sleeping room with the sharks. We have twelve dead.

Here on the ocean floor is the only independence.

She thinks that money's at the bottom of the river.