This is a volcanic ridge.

But 10 miles down the ridge...

It's in NOAA, the National Oceanic and Atmospheric Administration.

The climbers got on the southeast ridge.

Is this the bus for Park Ridge?

And this is also true of some remote oceanic islands.

And there were climbers on that summit ridge.

You know, from an oceanic perspective, 450 is way too high.

This is the view looking at the southeast ridge.

This is a view taken along the summit ridge.

There were no oceanic deals where countries were compensated for not fishing.

39 percent of homes on Pine Ridge have no electricity.

We worry about cocaine coming from the Andean Ridge north.

OK, this is a view taken on the summit ridge itself.

The mid ocean ridge runs around like the seam on a baseball.

This is all you've got. You're very exposed on the summit ridge.

Unemployment on the Pine Ridge Indian Reservation fluctuates between 85 and 90 percent.

This is what a real one looks like, on the Juan de Fuca Ridge.

We're going to look at the mid ocean ridge, a 40,000 mile long mountain range.

Both Denmark and Russia have been devoting significant resources to exploring the Lomonosov Ridge. Denmark has hired Swedish icebreakers for repeated expeditions, and Russia has been deploying special submarines to obtain samples from the ridge and the ocean floor.

Her name is Pam Moran in Albemarle County, Virginia, the foothills of the Blue Ridge Mountains.

The tuberculosis rate on Pine Ridge is approximately eight times higher than the U.S. national average.

Because it's along the axis of the mid ocean ridge where the great crustal plates are separating.

What looks like a cloud behind the summit ridge is actually snow being blown off the summit.

The mid ocean ridge is a huge mountain range, 40,000 miles long, snaking around the entire globe.

So at those deep oceanic vents, fantastic chemistry began to happen, and atoms combined in all sorts of exotic combinations.

How to assess countries claims to Arctic territory hinges on the status of the Lomonosov Ridge, a vast formation that rises from the sea floor and stretches 1,800 kilometers from Greenland to the East Siberian continental shelf. Everyone agrees that it is a ridge.

The effect of armed conflict on agreements establishing inter oceanic canals such as the Suez, Panama and Kiel Canals, has varied.

This is the oceanic whitetip shark, an animal that is considered the fourth most dangerous species, if you pay attention to such lists.

And the climbers up on the ridge were that much higher, 2,000 feet higher, and completely exposed to the elements.

In addition, the Data Processing Centre receives and analyses data from the polar orbiting meteorological satellites of the United States National Oceanic and Atmospheric Administration.

Todd and Pete got up to the summit ridge, up in here, and it was a scene of complete chaos up there.

The Pine Ridge Reservation, the subject of today's slide show, is located about 75 miles southeast of the Black Hills in South Dakota.

And this kind of life and death of hydrothermal vent communities is going on every 30 or 40 years all along the ridge.

Among other things, these measurements will help to assess how much carbon dioxide transferred to the ocean from the atmosphere is being transformed into oceanic plant biomass.

There's a ridge right in the middle of the picture, up above where that arrow comes in, that shows you that a little bit.

E. Satellites Following the loss of Landsat 6 in October 1996, the National Oceanic and Atmospheric Administration (NOAA) continued to rely on Landsat 5, in operation since 1984.

In 1994, Oak Ridge National Laboratory in Tennessee completed production of all the iridium parts that will be used to encapsulate the Pu 238 fuel.

OK. Those climbers were up near the summit, along that summit ridge that you see up there, and I was down here in Camp Three.

A recent report has found that industrial longline fishing has contributed to the decline of oceanic whitetip and silky shark species by 90 99 percent in the Gulf of Mexico.

Of course, when you're on the ice, you only ever see one obstacle at a time, whether it's a pressure ridge or there's a bit of water.

But if you were to put it on an equal area projection, you'd see that the mid ocean ridge covers 23 percent of the Earth's total surface area.

The Sargasso Sea, for example, is not a sea bounded by coastlines, but it is bounded by oceanic currents that contain and envelope this wealth of sargassum that grows and aggregates there.

United States National Oceanic and Atmospheric Administration, Primary restoration guidance document for Natural Resource Damage Assessment under the Oil Pollution Act of 1990 Damage Assessment and Restoration Program, (Silver Spring, Maryland, 1996).

And we're over the Atlantic that's the ridge right there but we're going to go across the Caribbean, Central America, and end up against the Pacific, nine degrees north.