Sentences with phrase «polar region as»

Pioneer 11 captured a fuzzy parting shot of the north polar region as it departed Jupiter in 1974 for Saturn.

Experts says that it may be the last chance to study the polar regions as they are now; global warming is already being felt most severely in these areas and transforming them as a result.

The study is the first to suggest that the mass extinction event was just as rapid and severe in the polar regions as elsewhere in the world.

We create and manage projects that focus on research in the polar regions as means to understand fundamental climate mechanisms, and to drive change towards a more sustainable society.

From there, pupils will learn about what creates the cold climate of the Earth's polar regions as well as noting the similarities and differences between the Arctic and Antarctica.

Changing to the HadCrut4 - which does not understate the effects of the polar regions as much, the warming since 1997 becomes quite self evident.

Why did you not mention the locations of continents, ocean gateways, and their consequent effect on ocean currents and the transfer of heat from tropics to polar regions as a cause of hothouse and coldhouse periods?

Not exact matches

From water - and snow - resistant parkas made from skins worn by hunters in polar regions to garments fabricated using woven straw, such as the ancient Japanese

From water - and snow - resistant parkas made from skins worn by hunters in polar regions to garments fabricated using woven straw, such as the ancient Japanese mino, people have long sought ways to remain dry while outside in wet weather.

When it came to the crust we decided to form the oceans and the land masses as well as the polar regions.

Many scientists think these permanently shadowed regions, such as the floors on impact craters in the Moon's polar regions, could hold large deposits or water ice.

«Yes, the tropics are warming but nowhere near to the same degree as the polar regions,» Evans said.

In some ways it is as arduous as exploring the polar regions or outer space.

Radar signals were routinely reflected off rough, angled features such as sand dunes, cliffs and rocks, but when radar reached Titan's polar regions, regular signals ceased.

«But what we've found is that the associated changes in plant community composition in the polar regions could lead to way more carbon being released into the atmosphere as methane.»

But some places on Mercury are slightly more stable.Inside polar craters on the diminutive planet are regions that never see the light of day, shaded as they are by the craters» rims.

These low - oxygen zones form naturally as colder waters that have absorbed oxygen in the polar regions sink and flow south.

The Earth's polar regions are in peril as a result of climate change, speakers cautioned at a 16 June briefing on Capitol Hill, and solving the problem requires greater support for geoscience research.

Participation in multilateral and multinational partnerships, such as the Arctic Council and the Antarctic Treaty System, is also necessary to deepen our understanding of both polar regions and show the value in investing in geoscience research, said Sullivan.

But these low - oxygen waters near the equator are expanding, because the water in the polar regions is not as cold and is not absorbing as much oxygen as it used to be.

He has specialised in photographing polar regions since 1995, and sees his role as «bridging a gap between scientific research and the public».

But at the planet's far polar regions, some of these particles enter our atmosphere and provide the sweeping light shows we know as auroras.

«The marine calcifiers that live in polar regions are particularly vulnerable to the effects of ocean acidification, a progress which is reducing their mineralization capacity and forming calcium carbonate (CaCO3) skeletons used as a protective and supporting structure against predators» says Blanca Figuerola, main author of the scientific study.

The clouds are not uncommon in the polar regions, but they are rarely seen in the middle latitudes, as they are here, photographed in Colorado in 2006.

These particles can build up electric charges faster than the soil can dissipate them and may cause sparking, particularly in the polar cold of permanently shadowed regions — unique lunar sites as cold as minus 240 degrees Celsius and known to contain water ice.

By coincidence, the south polar region of the moon - a 1,500 - mile - wide depression known as the Aitken Basin - is where the first permanent lunar base is most likely to be built.

A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions.

This new color - coded photo mosaic of Mercury's south polar region, presented here today at a joint meeting of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society, shows these «freezer» areas as dark blotches.

Furthermore, it had been proposed that animals and plants in the polar regions would have been more resilient to global climatic changes associated with an asteroid impact as a result of living in environments that were always strongly seasonal.

These include methane, nitrous oxide («laughing gas»), halons, methyl bromide and chlorofluorocarbons (CFCs), which are notorious as «ozone killers» because they play a major role in ozone depletion in the polar regions.

That means the reemergence of sunspots, and with them periodic electromagnetic assaults on global navigation, communications, and power supplies — as well as brilliant auroras in the polar regions.

Unique to the polar region, pancake ice forms over time as ice crystals coagulate into thicker plates, whose edges often get rounded and raised as a result of bumping into other plates.

Extratropical storms partly depend on the temperature gradient, which is predicted to weaken in the northern hemisphere as the polar region warms more than the rest of the hemisphere.

The polar regions provide a window into space where high - energy solar particles arriving in the Earth's atmosphere can cause spectacular effects, such as the northern lights or aurora borealis.

But in temperate and polar regions, the boundary can be as low as 10 kilometers, Ridley says.

As changes happen in the polar regions, they are carried around the world by ocean currents, both at the surface and in the deep ocean.

This remarkable correlation is supported by observations by other scientific teams who had already observed traces of glacier melting and retreat, as well as evidence of subsurface ice, in the former polar regions.

So this polar region of Earth can act as an analog for Mars» past.

For example, in Earth atmospheric circulation (such as Hadley cells) transport heat between the warmer equatorial regions to the cool polar regions and this circulation pattern not only determines the temperature distribution, but also sets which regions on Earth are dry or rainy and how clouds form over the planet.

POLENET data is enabling new studies of the inner earth, tectonic plates, the earth's magnetic field, climate and weather, and the solar wind, and will lead to as yet unimagined discoveries about the critical polar regions of our planet.

The program goals include: understanding the region and how its ecosystems depend on the polar environment; understanding its effects on (and responses to) global processes such as climate; and using the region as a platform for fundamental research in every scientific discipline.

The International Polar Foundation focuses on polar regions and polar sciences as a means to communicating on climate change and to promote a more sustainable society.

I am truly honoured by this naming decision and hope that everyone who suggested a name will feel just as inspired to follow the ship's progress as it explores our polar regions.

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.

The program will include 65 sessions across 12 categories, including the session «Observing with autonomous vehicles in polar regions,» which focuses on topics such as scientific results from self - operating platforms and technological capabilities that assist research efforts in the polar environment.

On March 21, 2012, the MESSENGER team also revealed new supporting evidence that many permanently shadowed craters in Mercury's polar regions may harbor water ice insulated with a thin layer of soil or dust, or some other radar - reflecting volatile substance such as sulfur.

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

•» As a result of low gravity attraction in the region of equatorial bulge and high gravity attraction in the region of polar flattening, melt - water would not move from polar region to equatorial region.

Because they depend on sea ice to hunt seals, the polar bear is considered threatened as global warming melts and thins ice in this region.

The global distribution of the warming is quite uncertain except that it is likely that the polar regions will warm more than the equator — by as much as two or three times.