Sentences with phrase «thick sea ice»

As would be expected, a slightly greater proportion of thicker sea ice formed during the Little Ice Age would likely remain during the first warming event compared to recent decades.

The melt means there is less thick sea ice that persists for multiple years.

«When those surveys were done, we still had a lot of thick sea ice in the Arctic.

By 1990, only about 30 % of the Arctic Ocean is covered by older thicker sea ice.

This emphasizes the fact that the primary problem faced by Southern Beaufort sea polar bears is not scarce summer ice but by thick sea ice conditions in the spring.

The Transpolar Drift Stream now sweeps across most of the Arctic Ocean, carrying most of the older, thicker sea ice out of the Arctic Ocean through Fram Strait (lower right).

Thick sea ice ended a rapid - response mission to study seafloor that lay beneath Larsen C iceberg.

Last Friday afternoon, on a conference call hosted by the National Research Council to present a recent report on the Arctic region, Stephanie Pfirman, an environmental science professor at Barnard College, said Arctic ice coverage is shrinking and that thicker sea ice blocks, which anchor much of the landscape, are rapidly melting.

We have no idea how thick the sea ice around Antarctica is, for instance.

A new analysis of its DNA suggests that Ursus maritimus split from the brown bear between 4 million and 5 million years ago — around the same time when, some scientists believe, the Arctic's thick sea ice first formed.

Squatting on a floe of eight - foot - thick sea ice at the North Pole, drifting on the 14,300 - foot - deep Arctic Ocean hundreds of miles from land, with everything in every direction south and the sun circling the horizon, you absolutely feel you are on a planet.

Basically we have gone from an Arctic Ocean covered mostly by older, thicker sea ice [white area on video here], to an Arctic Ocean that has very little of this preferred habitat for the polar bears.

This has been obvious this year in the Chukchi and East Siberian Seas where you had a stretch of thicker sea ice linger well into summer (in fact, some of the ice remnants — though rotten — still show up in the satellite data from the region).

A NASA - sponsored expedition punched through three - foot thick sea ice to find waters richer in microscopic marine plants, essential to all sea life, than any other ocean region on Earth.

That sea ice north of Greenland among the last vestiges of old, thick sea ice existing in the Arctic ocean.

The slight warming in the Arctic SST (under thick sea ice) is in accordance with the proxy reconstructions, that in the south is more speculative as there are no data there

None of it did any harm to our gear that we moored for 1 - 3 years on the ocean floor that can and often is scoured by 100 to 400 meter thick ice from glaciers, however, 2 - 3 meter thick sea ice prevented us to reach three mooring locations this year and our sensors are still, we hope, on the ocean floor collecting data.

In addition to the loss of old thick sea ice, the increased mobility of sea ice in the Beaufort Sea is consistent with the high sea ice mobility seen in the Atlantic sector by the drift of the «TARA» during the DAMOCLES experiment (Gascard, EOS, Vol.

Stubborn and persistent crews may have inched their way through thicker sea ice than we might expect.

Once covered by thick sea ice, these treasures could soon become accessible, and Arctic nations like the U.S., Russia, and Denmark want the profits.

Most people picture the Arctic Ocean as miles upon miles of thick sea ice.

Thick sea ice has thwarted researchers» plans to explore what creatures lived beneath an Antarctic ice shelf.

The thick sea ice in the Arctic Ocean was not expected to melt until the end of the century.

And parts of the Arctic Ocean off Greenland that normally hold the thickest sea ice are wide open, said Laurence Dyke, a paleoglaciologist at the Geological Survey of Denmark and Greenland.

Thinner, young sea ice is more susceptible to being compressed by wind than is older, thicker sea ice.

Of course the evacuation of the trapped ship, which will require helicopters given the impassible nature of the thick sea ice in the area, is vital.

The physical justification for this statement is based primarily on the loss of old, thick sea ice and the increased mobility of sea ice.

The physical justification for this statement is based primarily on the loss of old, thick sea ice and the increased mobility of sea ice (less extensive, thinner ice is more mobile).

The thick sea ice in the Arctic Ocean was not expected to melt until the end of the century.

The movement of old, thick sea ice to lower latitudes has a two-fold impact.

The Arctic's 2007 record low occurred, however, because something out of the ordinary happened: Atmospheric pressure conditions caused wind patterns that compressed the old thick sea ice, loaded it into the Transpolar Drift Stream and then increased its flow rate out of the Arctic along East Greenland.

However, level coordinate models have problems when it comes to the representation of thin bottom boundary layers (Winton et al., 1998) and thick sea ice.

Research revealed that in response to the natural Arctic Oscillation, thick sea ice had been blown into the warmer Atlantic due to a directional shift in freezing winds.

Older, thicker sea ice (white ice) covers about 80 % of the Arctic Ocean up to 1988.

Warm conditions with temperatures at the 925 hPa level of 1 to 2 degrees Celsius (2 to 4 degrees Fahrenheit) above average graced the northernmost coasts of Alaska, Canada, and Greenland, but the thick sea ice that is typical of this region is unlikely to melt out.

«The suggestion that the Earth was once entirely covered by ice — the continents by thick ice sheets and the oceans by thick sea ice — remains somewhat contentious,» says physicist Richard Peltier of the University of Toronto.