Sentences with phrase «northern polar region»

As northern polar regions continue to warm at a rate twice the global average, this permafrost begins to thaw.

Charon's color pattern is simpler, dominated by neutral low latitudes and a reddish northern polar region.

As northern polar regions warm, the temperature contrast between them and temperate zones — such as the continental United States — diminishes.

They presented the first topographic map ever produced of Mercury, along with a color - enhanced view of its northern polar region.

Pictures of the Northern polar regions reveal churning storm clouds that mark the arrival of fall.

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.

The northern polar region's climate has materially changed over the past five years, a team of 121 scientists from 14 nations concludes in a December 1 Arctic report card.

It sits in Ligeia Mare, a sea made of methane, ethane and nitrogen in Titan's northern polar region.

Pictures of the Northern polar regions revealed watery stormclouds that mark the arrival of fall.

NASA's Cassini spacecraft photographed storm - twisted Saturnian clouds, spun into tufts that resemble loose wool or strands of cotton candy, as the orbiter passed above the giant planet's northern polar region.

With the gravity - mapping mission now over, if all goes according to schedule, the probes» Thelma - and - Louise moment will occur at approximately 5:28 p.m. EST on Monday, 17 December, when the craft slam into a 2 - kilometer - tall mountain in the northern polar regions of the moon, NASA announced in a press conference today.

Astronomers are puzzled by the scalloped band of low - lying clouds (left of the planet's center) and the small storms (bright blotches at right) dotting the northern polar region.

Temperatures in the northern polar region have already risen by 1.6 degrees Celsius (2.88 degrees Fahrenheit) since the dawn of the Industrial Revolution.

Since the 1970s the northern polar region has warmed faster than global averages by a factor or two or more, in a process of «Arctic amplification» which is linked to a drastic reduction in sea ice.

On the other hand, at the end of February and in early March high altitude air from the northern polar regions was carried over the area.

The reason that scientists are looking for life in this area is that it is thought to be the place on Earth that most closely resembles the permafrost found in the northern polar region of Mars at the Phoenix landing site.

Thirty years later — the equivalent of one Saturn year, in other words, the time the planet takes to go all the way around the Sun — and over more than six consecutive years, researchers in the UPV / EHU's Planetary Sciences Group, in collaboration with astronomers from various countries, were able to observe Saturn's northern polar region in detail once again and confirmed that the hexagon continued in place.

Current observations suggest that Titan has lakes mainly in the northern polar region and has tropospheric clouds mainly in the southern middle latitudes and polar region.

The plains of the northern polar region of Mars is shown.

That maneuver, NASA told USA Today will be the probe's «final opportunity for up - close observations of the lakes and seas of liquid hydrocarbons that spread across the moon's northern polar region, and the last chance to use its powerful radar to pierce the haze and make detailed images of the surface.»

He was also the Principal Investigator for NASA's Phoenix spacecraft, which successfully landed on Mars» northern polar region in 2008.

During the main Cassini mission in 2004 — 2008, which occurred in the southern hemisphere's summer, more clouds and lakes were observed in the northern polar regions, where it was winter.

When the new set of images is compared to Hubble pictures taken in 1994, the northern polar region of Pluto seems to have grown brighter, while the southern hemisphere has become darker.

Sea ice over the northern polar region has set successive record winter lows the past three years.

Michael, think about what would happen as small variations in earth's orbit changed such that the northern polar region received increasingly less sunlight each summer, preventing all of the previous year's snowfall from melting.

«There is little doubt that polar bears are very susceptible as global climate change continues to drastically alter the landscape of the northern polar regions,» said Robert Rockwell, a research associate in the Museum's Department of Ornithology.

The range of ocean remaining frozen over the northern polar region reached its minimum extent for 2009 on September 12, when it covered 1.97 million square miles (5.1 million square km), and now appears to be growing again as the Arctic starts its annual cool - down, the National Snow and Ice Data Center reported.

It is true that this is consistent with the idea that there has been continuous global warming, although it is complicated by the fact that the Antarctic sea ice extent still seems to be about the same, i.e., the «global» warming only seems to have affected the northern polar region, not the southern polar region.

In the northern polar regions, where water and land are interspersed, the polar easterlies give way in summer to variable winds.

While the results do not show a significant impact on human health, especially considering that most of the ozone loss documented in this study occurs over the northern polar region, they are important scientifically.

From ice core data we can see that on approximately 1,500 - year cycles, the northern polar region has warmed while the southern polar region has cooled.

Other evidencde suggests there may have been a localised warming occuring in the Arctic during the 20's and 30's at exactly the same time that measurement coverage in the northern polar regions was in flux - not an ideal situation.

Ordinarily, Santee says, 450 Dobson units «is sort of the canonical value for the Northern polar region's ozone — what would be your sort of basal level.»

Temperatures in the northern polar region have already risen by 1.6 degrees Celsius (2.88 degrees Fahrenheit) since the dawn of the Industrial Revolution.

Given that the northern polar region is dominated by water, whereas the southern polar region is dominated by land, one would expect a greater temperature response to changes in ice extent in the Arctic than Antarctica.

Previous studies of satellite and submarine observations have seemed to establish a warming trend in the northern polar region and raise the possibility of a melting icecap.

In their models of climate patterns, scientists have long suggested that the northern polar region would be affected earlier and more seriously than the southern region.

During most of the Silurian Period, the vast Panthalassic Ocean covered the northern polar regions, the supercontinent of Gondwana stretched over the southern polar region, and a ring of at least six continents spanned the Equator and middle latitudes.