Sentences with phrase «as polar ice»

The research explains that there is an «amplifying feedback» as polar ice melts, because as more freshwater enters the ocean, it traps warmer sea water, which melts more ice.
As polar ice melts, the oceans absorb more heat, which causes more ice to melt.
As the polar ice caps grow or melt, the surface area of the earth covered by land relative to that covered by water changes.
Based on what he's seen in the Arctic, and on the latest science, Zukunft said he's planning for six feet of sea level rise by the end of the century, as polar ice sheets and glaciers melt.
As we measure more and more aerosol emission effects, such as soot - published in January - and check on ever - changing factors such as polar ice reduction, more evidence makes us less likely to get it wrong.
Rapidly rising seas resulting from melting glaciers as well as polar ice sheet nearly wiped out the Great Barrier Reef some 125,000 years earlier, according to University of Sydney researchers.
Also... Not discussed in the article... As polar ice becomes greatly reduced, oceans will likely warm much more rapidly (similar to what happens when ice in a glass of water becomes minimal).
Sea levels inch upward as polar ice retreats.
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.
Both types of oak spread first to California as polar ice caps expanded, and some of both kinds wound up east of the Rockies and headed to the East Coast and eventually to Mexico.
As the polar ice melts, getting to these resources becomes more feasible.

Not exact matches

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.
If all I had to eat for dinner was our salad course, I would have been as happy as a polar bear in a bucket of ice cubes.
While spirituality may seem the polar opposite of the feelings of naughtiness that drive sexual desire, it can add serious icing to the cake when sex is viewed as a celebration of mom and dad's love and commitment.
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.
Last, but not least, the Next Wave staff has collected a number of great resources for wannabe polar researchers, as well as those that simply love the world of ice.
As Gore shows with a litany of statistics, maps, and charts — not to mention the film's stark images of drowning polar bears, crumbling ice caps, a Katrina - lashed New Orleans, and drunken trees sliding sideways on melting permafrost — global warming is really happening.
MESSENGER's maps of polar craters match up nicely with earlier imagery of the poles, taken by Earth - based radars, which showed anomalously bright features — patches that reflected radio waves much better than the surrounding terrain, just as ice does.
POLAR BEAR VLOGS Wild female polar bears wore collars with a video camera and other instruments for a little over a week as the bears roamed sea ice off the coast of Alaska during spPOLAR BEAR VLOGS Wild female polar bears wore collars with a video camera and other instruments for a little over a week as the bears roamed sea ice off the coast of Alaska during sppolar bears wore collars with a video camera and other instruments for a little over a week as the bears roamed sea ice off the coast of Alaska during spring.
The researchers identified several key circulation patterns that affected the winter temperatures from 1979 to 2013, particularly the Arctic Oscillation (a climate pattern that circulates around the Arctic Ocean and tends to confine colder air to the polar latitudes) and a second pattern they call Warm Arctic and Cold Eurasia (WACE), which they found correlates to sea ice loss as well as to particularly strong winters.
The case of this one polar bear and the failure of her offspring to survive in the new environmental conditions of the Arctic doesn't bode well for the future of the species, especially as Arctic sea ice continues to retreat at a record pace.
The Interior Department lists the polar bear as a «threatened» species — one at risk of becoming endangered — due to dangerous declines in their sea ice habitat
One «growing phenomenon in the Arctic [is] polar bears foraging on land as their primary habitat, sea ice, retreats,» Kintisch writes, which makes field work even more dangerous, and difficult, than it would be otherwise.
As a warming climate continues to accelerate the summer ice melts, it is important to understand how polar bears are — or are not — adapting to even more extreme food shortages.
Reindeer and polar foxes were found in Central Europe during the Ice Age, for example, but they withdrew northwards as the climate became warmer,» says Postdoctoral Fellow Christopher Sandom, Aarhus University.
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.
He first thought that the shift might be a result of global warming, as melting polar ice flowed toward the equator.
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.
Fox accompanies a team of NASA scientists as they drive a refurbished orange Humvee across a frozen channel in the Canadian High Arctic, facing melting sea ice, mechanical breakdown, and the threat of marauding polar bears.
As such, there is a direct relation between the polar cod and the ice algae, which could ultimately threaten the young polar cod's survival.
Interior Secretary Dirk Kempthorne, however, made clear several times during a press conference announcing the department's decision that, despite his acknowledgement that the polar bear's sea ice habitat is melting due to global warming, the ESA will not be used as a tool for trying to regulate the greenhouse gas emissions blamed for creating climate change.
The U.S. Department of the Interior Wednesday listed the polar bear as a threatened species under the Endangered Species Act (ESA) of 1973 based on evidence that the animal's sea ice habitat is shrinking and is likely to continue to do so over the next several decades.
«For example, in some parts of the Arctic, such as the Chukchi Sea, polar bears appear healthy, fat and reproducing well — this may be because this area is very ecologically productive, so you can lose some ice before seeing negative effects on bears.
Wild card: McCain and Palin sat on opposite sides of the ice floe when it came to deciding whether the polar bear should be listed as an endangered species earlier this year.
GLITTERING across the briny surface of newly formed sea ice, frost flowers are as bewitching to polar scientists as Homer's sirens — luring them and their instrument - laden sleds to the treacherous boundary between ice and sea.
Many human communities want answers about the current status and future of Arctic marine mammals, including scientists who dedicate their lives to study them and indigenous people whose traditional ways of subsistence are intertwined with the fate of species such as ice seals, narwhals, walruses and polar bears.
Many of the projected effects of climate change on the world's oceans are already visible, such as melting polar ice caps and rising sea levels.
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.
As climate change causes sea ice to shrink, the number of «problem» polar bears appears to be increasing.
As sea ice disappears, polar bears are being forced to hunt more on land, which brings them into conflict with humans and increases contact with brown bears.
«I'm amazed how many people say «polar ice caps» — it's totally unscientific and not, not something we ever talk about as researchers!»
Reviews range from simple comments such as «this is a good piece of science journalism» to detailed scientific explanations such as how «polar ice cap» fails to distinguish between land ice and sea ice.
Our study suggests that at medium sea levels, powerful forces, such as the dramatic acceleration of polar ice cap melting, are not necessary to create abrupt climate shifts and temperature changes.»
It basically puts the Southern Ocean up front as the most significant control on the evolution of the polar ice sheet.»
As a result of atmospheric patterns that both warmed the air and reduced cloud cover as well as increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological SurveAs a result of atmospheric patterns that both warmed the air and reduced cloud cover as well as increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological Surveas well as increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological Surveas increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological Survey.
Some changes are well - known, such as declines in polar bear populations and stresses to walruses being forced out of their shallow feeding grounds as ice retreats into deeper waters.
And the number of polar bears in the southern edge of their range, the Hudson Bay, have drastically decreased as sea ice is present for shorter and shorter amounts of time, he notes.
Reductions in sea ice in the Arctic have a clear impact on animals such as polar bears that rely on frozen surfaces for feeding, mating and migrating.
As sea ice disappears, polar bear populations will crash harder than the seabirds.
As their hunting behavior shifts from ice to land, the polar bears «have progressively arrived earlier and earlier to have access to more eggs,» says biologist Børge Moe, another principal author of the study who works at the Norwegian Institute for Nature Research in Kongsfjorden, where seabird egg predation is just beginning to increase.
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