polar regions

Large ice sheets did not exist across the north and south polar regions as they do today.

But to understand exactly how climate change is affecting the polar regions, the thickness of the ice needs to be known too.

As this boat will navigate the Polar Regions, it was necessary to have motors to travel through the sea ice.

The most frigid polar regions and the darkest depths of the ocean are home for a few organisms that like a good chill.

The sea level was more than 30 feet lower due to trillions of tons of water having been trapped as ice in glaciers in the polar regions.

For that reason it has focused much of its attention on the cold polar regions.

This light is called the aurora. Sometimes, when the Sun is very active, the aurora can be seen beyond the polar regions.

It has even found a toehold in the frigid polar regions and in toxic dumps.

Our planet, unfortunately, is running out of noble savages and unsullied landscaped; except for the polar regions, the frontiers are gone.

The spacecraft is now orbiting the moon in an elliptical orbit that passes over the polar regions of the moon.

Part of the problem stems from the fact that all Texas cities are sprawling, multi-polar regions, with many thriving employment centers.

The polar regions do not get much moisture in the form of rain or snow.

Sea water's temperature varies- it is colder at the surface in polar regions than in the tropics.

The upper timberline, like the snow line, is highest in the tropics and lowest in the Polar Regions.

The upper timberline, like the snow line, is highest in the tropic and lowest in the polar regions.

Iran & Iraq are essentially now Polar Regions being that close to the new South Pole having been pulled away totally from the African plate.

In polar regions, it also contains water and carbon dioxide ices and frosts, as the Phoenix lander recently confirmed.

The polar regions are connected to the rest of the planet by the atmosphere and the ocean.

Scientists say that barrier may soon fall, as global climate change continues to impact wildlife at the polar regions.

Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas.

When they reach the earth's magnetic field the energy is transferred into visual light around the earth's Polar Regions.

The violet shades extending from the top and bottom are likely due to frost particles in Ganymede's polar regions.

for the polar regions , the model is the dry valleys of antarctica , a frozen desert in a landscape of endless ice.

Although polar regions biomes are cold and icy all year round, living things all though this biome can be found.

the party will start up again as the Martian summer comes to the north polar regions and the ice turns to water.

The addition of a mock sun is a common sight in polar regions but very rare in other places.

organisms are common in coastal areas, all the way from the polar regions to the Equator, and multiply through cell division.

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black; intrafusal fibers were dyed buffy.

The duo hope their journey will establish "kite-buggies" as a new means for exploring polar regions.

In January 2009, Iceland issued a miniature sheet as part of the joint stamp series 'Preserve the Polar Regions and Glaciers'.

People who live near polar regions see the auroras as giant curtains of shimmering light in a variety of colors.

The layered deposits in the polar regions of Mars should hopefully have recorded these changes over millions of years.

By the end of the 1980s, Russia was financially incapable of waging an arms race in the polar regions.

"Our attention to the polar regions, " Dobriansky added, "is a very important aspect of our U. S. foreign policy. "

Living things have all adapted, that means they've changed over time to fit the cold conditions of the polar regions clime.

Cylindrical projections greatly exaggerate the sizes of polar regions.

The rapid melting of sea ice is a main reason that animals in the polar regions are most affected by even slight warming.

Because ice is restricted to high altitudes and to polar regions, running water moves far more rock debris each year than ice does.

The immediate cause of low temperature in the polar regions is the low solar elevation and solar radiation input.

Located or found in one of the Polar Regions.

Much of the basin is made up of permafrost, a layer of frozen soil in Earth's polar regions.

This has focused world attention on the polar regions, whose ice is melting at an alarming rate.

Most sea life is dead. Human refugees now confined entirely to highland areas and the polar regions.

High in the polar regions, the lines of magnetic force point almost straight upwards.

Global warming melts the ice in the polar regions, and the increasing water is the cause of transgression.

In 1990, NASA and the European Space Agency launched the Ulysses probe to make the first observations of its polar regions.

a problem that faces all life in the polar regions.

The polar regions of the Moon will likely play a strategic role in the first phases of lunar exploration and development.

So the presence of dinosaur fossils in Polar Regions doesn't prove the dinosaurs were endotherms.

In these polar regions, the balance of nature has already been disrupted.

So the polar regions are naturally a target because we certainly know that there's plenty of [water] there.

Outside the polar regions, almost all nature now exists in human-defined islands -- and the biggest island of all, of course, is Earth.

This is particularly true of the polar regions, where previous imagery was poor or even absent.

In the polar regions, they converge and sinks again.

The other, the Mini-SAR, will to look for ice deposits in the moon's polar regions.

In the short term, many decisions about energy extraction in the polar regions will be made in courts and legislatures much farther south.

Mainly distributed in addition to Australia, Madagascar States, French Polynesia and the world outside the polar regions.

What is the likely impact of climate change on Polar Regions?

The common theme for 40 countries in 2009 was Preserve the Polar Regions and Glaciers.

the amazing celestial light show that is, for the most part, unique to polar regions.

Most insects don't live in polar regions.

And so ever since I think I was just six years old I dreamed of going to the polar regions.

Mathematical Model of Saving Time From Beijing to Detroit Flying Over the North Polar Regions

Singularity Free Equations of Re-entry Vehicle Translational Motion in Polar Regions

Worldwide glacier retreat, and sea ice melting in Polar Regions , is unusual and related to increases in human GHG emissions;

A global lithospheric magnetic field model with reduced noise level in the Polar Regions

Numerical Simulations of Effects of Ozone Variation over Polar Regions on Climate of China

Extending across or crossing either of the Polar Regions