Sentences with phrase «in polar ice caps»

97 percent of the water on Earth is salt water, contained in the planet's oceans, seas, and inland salt water bodies, 2 percent of it (fresh water) is locked in the polar ice caps, and the remaining 1 percent is the fresh water we use everyday.

Ice is melting in both polar ice caps and mountain glaciers.

The planet today is dry and barren, with most of its water locked up in the polar ice caps.

Water seems to exist there only as ice, in the polar ice caps and perhaps under the Martian soil.

The TES will also investigate seasonal changes in the polar ice caps and the distribution of dust and clouds in the atmosphere.

Although scientists have analysed gases from tiny bubbles trapped in ice cores drilled in polar ice caps, there are doubts about how closely the composition of the bubbles matches that of the atmosphere at the time they were trapped (see New Scientist, Science, 22 August).

And, he adds, with sulfate appearing in both polar ice caps — Arctic and Antarctic — there is «a strong consensus» that this also supports an equatorial source.

Today the small amount of water detected on the planet is locked in the polar ice caps, but recently discovered geological features suggest liquid water once flowed on its surface.

The results, in the October 15 Science, agree with theoretical predictions, suggesting that superconducting gravimeters can help satellites chart the earth's gravity to map changes in polar ice cap thickness, seawater levels, atmospheric density and planetary geology.

Not exact matches

Some say the polar ice caps are melting while others, who note that this it the coldest year in a century, are predicting a new ice age.

We are running around with our panties in a wad because we know global warming is melting the polar ice caps.

In nature, changes of environmental conditions arise from such sources as the melting of polar ice - caps, explosion of dwarf stars, the fall of night.

Following an expected soft landing in the northern polar region, Phoenix will study the planet's ice cap and use a robotic arm to dig into the Martian subsurface, collecting ice and soil samples.

This may come as a shock, but only 55 million years ago, our planet had no polar ice caps; in fact, it nearly became a steamy, runaway greenhouse world, with CO2 levels exceeding 2,500 ppm.

«And it is in fact a fact that the polar ice caps are bigger today than they were before,» Cruz said in a video distributed by 350.org, an environmental advocacy group.

If it happened in the last 100,000 years, it might be possible someday to extract traces of its effects from deep within the polar ice caps.

Drawing on odd, icy - looking landforms in earlier images, he and colleagues proposed in 2003 that in the geologic past, snow - fed glaciers and ice fields had covered much of the lower latitudes of Mars at the expense of the polar ice caps (Science, 11 April 2003, p. 234).

A series of robotic missions, from Viking in the 1970s to the Spirit rover still roaming Mars today, have observed ancient riverbeds and polar ice caps storing enough water to submerge the entire planet in an ocean 40 feet deep.

Soot has already been implicated in the melting of the polar ice caps, and heating of the atmosphere over India was directly measured in 2007 by Veerabhadran Ramanathan of the Scripps Institution of Oceanography at the University of California, San Diego, and his colleagues.

* The late - summer polar ice cap, already at historic lows today, would shrink only another quarter and hold steady by century's end, instead of melting by more than three - quarters with no let - up in sight.

The hunt for extreme oil proceeds apace in the ultradeep waters off the coasts of Ghana and Nigeria, in the sulfur - laden depths of the Black Sea, under the polar ice caps, and in the gummy tar sands of Venezuela's Orinoco Basin and Canada's McMurray Formation.

Respiration by bacteria may have slightly increased levels of CO2 in pockets of air trapped within polar ice caps meaning that before human activity CO2 levels may have been even lower than previously thought.»

After downloading a few files from his site and depositing them in my Celestia folder, I found myself staring at a blue planet, cloud formations swirling across its surface, its vast oceans punctuated with landmasses and polar ice caps.

But there is evidence that the Red Planet had a warmer and wetter past: dried - up river beds, polar ice caps, volcanoes and minerals that form in the presence of water have all been found.

The new results show that atmospheric water in the near - polar region was enriched by a factor of seven relative to Earth's ocean water, implying that water in Mars» permanent ice caps is enriched by 8-fold.

The team was especially interested in regions near the north and south poles, because the polar ice caps are the planet's largest known reservoir of water.

We could melt the polar ice caps to release trapped carbon dioxide or generate greenhouse gases in factories.

Both the north and south polar regions of Mars are covered in a permanent cap of ice, similar to modern day Antarctica.

Reconstructions of past Hothouse climates had shown that temperatures had been around six degrees higher on average, and higher still in polar regions, with no polar ice - caps and a temperate to subtropical fauna and flora, as evidenced by the fossil record in these areas.

Now, if you have all this very cold, nearly freezing water surrounding these ice caps, sucking up carbon dioxide out of the polar atmosphere, at nearly the highest possible rate, 30 times faster than oxygen, and 70 times faster than nitrogen, doesn't it stand to reason that the air that remains might just have a lot less carbon dioxide in it than the atmosphere across the rest of the planet?

Larger sails can thrust against Earth's gravity and not even be in orbit around the Earth, and a pole sitter could sit continuously over Earth's poles and can provide continuous data on the polar ice caps.

The way humans mistreat water has dominated headlines and become mission critical to address: the melting polar ice caps and rising sea levels, the poisoned tap water in Flint, Michigan — and the threat the Dakota Access Pipeline poses to the Standing Rock Sioux tribe.

In the future, the polar ice caps have melted, covering the Earth with water.

Anyway, in The Day After Tomorrow New Yorkers need not feel alone as the entire Northern hemisphere is subjected to freakish destructive weather as the polar ice caps melt because of global warming and paradoxically result in temperatures dropping to sub-Arctic levels.

IN THE FUTURISTIC WORLD OF A.I. Artificial Intelligence, melting polar ice caps have left costal cities submerged and millions ravaged by hunger while technology booms.

Academy Award - winning Cold War thriller based on Alister MacLean's bestseller stars Rock Hudson as an American nuclear submarine captain in a deadly race against the Soviets to find a downed satellite beneath the polar ice cap.

With enough fire - generating explosions, lethal lasers and gunfire to thaw a polar ice cap, the plot predicaments never fluster the ever - resourceful agent who manages to keep his oh - so - cool aura in the face of impending disaster.

As the sun's output increases, the polar ice caps on Earth will melt, resulting in a catastrophic, global flood.

The global economy is in the toilet, the polar ice caps are melting, and most car manufacturers are running scared.

Okay, so each of these V8 engines is single - handedly speeding up the melting of the polar ice - caps and making one in three baby echidnas asthmatic.

The seas were choked with ice even in midsummer, for tremendous storms would crack the polar ice cap and fling mountainous cliffs into the paths of their wooden vessels.

The polar ice caps are melting, uncovering a time capsule in Rasputin's birthplace.

In Warmind, you'll do battle against a thawed - out Hive army that was lurking underneath the planet's polar ice caps.

As both a movie - tie in and Olympic competition, the timing of Ice Age: Continental Drift — Arctic Games «release is nearly impeccable, even it's polar cap - based sporting recreations evoke the Winter games rather than the imminent summer competitions.

It is alredy a foregone scientific conclusion that the melting of the polar ice caps will lead to a global rise in sea levels.

«According to a 1972 article in the Christian Science Monitor, Belchen asserted that «a general warming trend over the North Pole is melting the polar ice cap and may produce an ice - free Arctic Ocean by the year 2000 ″»

Over all, open water has spread in the Arctic this summer nearly as much as it did last summer, when polar experts said the ice cap shrank far more than had been measured since satellites started scanning the region 30 years ago — and probably more than it had shrunk in a century or more.

Excerpt: Livermore CA (SPX) Nov 01, 2005 If humans continue to use fossil fuels in a business as usual manner for the next several centuries, the polar ice caps will be depleted, ocean sea levels will rise by seven meters and median air temperatures will soar 14.5 degrees warmer than current day.

This rise may have been eustatically controlled, possibly through a combination of thermal expansion of the oceanic water column and melting of unknown sources of high - altitude or polar ice caps in response to global warming.»

Although there is still some disagreement in the preliminary results (eg the description of polar ice caps), a lot of things appear to be quite robust as the climate models for instance indicate consistent patterns of surface warming and rainfall trends: the models tend to agree on a stronger warming in the Arctic and stronger precipitation changes in the Topics (see crude examples for the SRES A1b scenarios given in Figures 1 & 2; Note, the degrees of freedom varies with latitude, so that the uncertainty of these estimates are greater near the poles).