Sentences with phrase «polar pack ice»

In the Chukchi and Beaufort seas, seasonal ice begins to add to the polar pack ice in early October.

Not exact matches

I never watched the Antarctic sea where today pioneers press their perilous way over the polar ice pack.

The polar bear is a semi-aquatic marine mammal that depends mainly upon the pack ice and the marine food web for survival.

A young polar bear stands on pack ice over deep waters in the Arctic Ocean in October 2009, during a major research project headed by the University of Wyoming.

Tracking experiments show female polar bears are increasingly giving birth on land rather than on pack ice, which brings them into «hybrid range» with grizzlies.

The population looks set to fall again as melting pack ice forces polar bears back to the land - based habitats of brown bears, where interbreeding has recently been observed.

The latest from the New York Herald Tribune states that the polar exploration ship Hansa is reported by a whaler as being crushed in sunk in the pack ice in its attempt to reach the North Pole; sunk at seventy degrees north latitude off Greenland.

Beyond the lake, stretching to the horizon in every direction, was the stark white of the permanent polar ice pack.

The ice has proved a headache for fishermen, who have been unable to put to sea, but it is what comes with pack ice that has caused most concern: polar bears.

The north polar ice pack has reformed, and records were set for snowfall, ice coverage, etc. all over the globe.

The forecast shows near - normal ice concentrations in the marginal ice zone and below normal ice concentrations in the polar pack, however the skill of the model north of ~ 80N isn't greater than chance.

... observations suggested the bears drowned in rough seas and high winds and «suggest that drowning - related deaths of polar bears may increase in the future if the observed trend of regression of pack ice and / or longer open water periods continues.»

For example, any sea surface area in the polar regions that has 15 % or more of surface slush is «officially» considered to be part of the ice pack.

Few people know that Arctic ringed seals (Phoca hispida, aka Pusa hispida) give birth and breed in the offshore pack ice in the spring, as it is seldom mentioned by either seal or polar bear specialists.

We further suggest that drowning - related deaths of polar bears may increase in the future if the observed trend of regression of pack ice and / or longer open water periods continues.

Average distance from land and pack ice edge for live polar bears swimming in open water in 2004 (n = 10) were 8.3 ± 3.0 and 177.4 ± 5.1 km, respectively.

While it is true that some ringed seals give birth in stable shorefast ice close to shore, many others give birth well offshore in thick pack ice — where polar bears also live and hunt in the spring but where few Arctic scientists ever venture — and the existence of pack ice breeding ringed seals is one of the reasons that polar bears are such a resilient species.

Partly because they give birth on mobile pack ice, harps have their pups earlier in the season than all other Arctic seals, which means that in some regions, they are a critical food source for polar bears that have eaten little over the winter months.

Snails, snakes and spiders withering in the sun just don't pack the same emotional punch as a cuddly, furry polar bear slipping beneath the melting ice.

Pictures of ice calving from the Arctic ice pack and polar bears stranded on ice sheets drifting in the frigid water bring an emotional charge to the discussion.

Meanwhile, they said in interviews and in the summary, evidence of increasing warming has shown up in retreating glaciers, thinning polar sea ice, retreating snow packs, warmer nights, and elsewhere.

Linder has a book called Science on Ice that documents four polar expeditions, covering how scientists do their work at the poles, from studying Adélie penguins to life under the pack ice in the ArctIce that documents four polar expeditions, covering how scientists do their work at the poles, from studying Adélie penguins to life under the pack ice in the Arctice in the Arctic.