Sentences with phrase «ice retreats»

This location on the Chukchi Sea, just north of Point Lay, has attracted several thousand animals in past years as sea ice retreats.

«As the sea ice retreats in summer the ocean warms up (to 7C in 2011) and this warms the seabed too.

As the sea ice retreats in summer the ocean warms up (to +7 ºC in 2011) and this warms the seabed too.

Thus, sea ice has melted at an unprecedented rate and is now caught in a vicious cycle known as the ice - albedo feedback: as sea ice retreats, sunshine that would have been reflected into space by the bright white ice is instead absorbed by the ocean, causing waters to warm and melt even more ice.

In the summer, the sea ice retreats to the Central Arctic, opening channels and coastlines to open water.

Record seasonal retreats of sea ice northward into the Chukchi and Beaufort seas were reported for 2002 - 2005 [258], but they were exceeded by ice retreats in 2007 and 2008 [255].

If ice retreats and there is strong upwelling, these copepods could end up on the inner shelf and possibly outcompete smaller zooplankters.

Sea ice retreats during the summer, reaching its minimum extent in September.

When the oceans are cold and the arctic is closed it snows less and the ice retreats where ever it needs to allow the earth to warm.

Each year is different: sometimes ice retreats from the shores in dramatic fashion and other years have a more gradual melt.

Last week we saw how Antarctic ice is advancing, but somehow this never makes the news despite huge coverage of Arctic ice retreats.

Both Russia's Northern Sea Route and Canada's fabled Northwest Passage offer faster routes than comparable southern routes, which means that more global shipping traffic will begin to pass along both routes as sea ice retreats.

They found that 68 percent of the variance in the date that ice retreats from the continental shelf break in the Chukchi Sea in spring can be explained by fluctuations in the April through June Bering Strait oceanic heat inflow.

While the world is seeing real impacts (from ice retreats to changing weather patterns) from heating, which science links to CO2 (and other) emisssions.

Ice retreats after this and this decreasing Albedo does warm the Earth.

As they warm and as the sea ice retreats, larger areas are freed for invasion by major blooms of algae and other microbes.

~ 20k years ago, 2 mile thick glacial ice over N.Y ~ 10k years ago, the last glacial ice retreats from N.Y. ~ Circa 5 - 6k years ago what is now the Sahara was savannah ~ Through to 20th century, quickening glacial retreat

When ice retreats, there is always evidence that it had retreated before and this is not the first or last time this will happen.

The Davis Strait polar bear subpopulation is said to be «vulnerable» to the supposed effects of global warming because, like Hudson Bay, Davis Strait sea ice retreats every summer, leaving polar bears on land for several months.

As the sea ice retreats, the Arctic's fossil treasures are eyed greedily by large corporations and nations bordering the Arctic Ocean.

They have survived previous Arctic warming periods, including the last warm stretch between ice ages some 130,000 years ago, but some climate experts project that nothing in the species» history is likely to match the pace and extent of warming and ice retreats projected in this century and beyond, should emissions of heat - trapping gases continue unabated.

Also, the journal Geophysical Research Letters published a study on the doubled rate of erosion along a big swath of Alaska's Arctic Ocean coastline, from a mix of changes related to warming and ice retreats.

None of the sea - ice specialists I've interviewed since 2000 on Arctic trends ever predicted a straight - line path to an open - water Arctic, but quite a few have stressed the longstanding idea that as white ice retreats, solar energy that would have been reflected back into space is absorbed by the dark sea, with that heat then melting existing ice and shortening the winter frozen season.

A large polar bear, stuck ashore, approached biologists studying coastal erosion related to sea - ice retreats.

The Competitive Enterprise Institute, which is fighting hard against treaties or legislation limiting greenhouse gases, has pointed afresh to old media coverage pointing to «unprecedented» Arctic ice retreats and warming early in the 20th century.

From the Archives, Oct. 2, 2009 The established icons of Arctic climate change are the polar bear and, to a lesser extent, those indigenous communities that are trying to maintain traditional ways in the face of slushy floes and the relentless erosion of coasts exposed to waves as sea ice retreats.

It doesn't seem so, at least according to the long list of Arctic experts I interviewed this fall, including several like Igor Polyakov of the University of Alaska, Fairbanks, who for years were reluctant to call recent Arctic warming and ice retreats unique in recent history.

In an email message earlier this month, Dr. Rigor confirmed that this appeared to be playing out as predicted and projected a couple of summer seasons with less substantial ice retreats:

Updated, Nov. 25, 10:41 a.m. Ruth Teichroeb, the communications officer for Oceans North: Protecting Life in the Arctic, an initiative of the Pew Charitable Trusts, sent a note this evening about new steps related to an issue I've covered here before — the rare and welcome proactive work by Arctic nations to ban fishing in the central Arctic Ocean ahead of the «big melt» as summer sea ice retreats more in summers in a human - heated climate.

Global warming from the buildup of human - generated greenhouse gases almost certainly contributes to the Arctic ice retreats, according to a host of Arctic specialists.

Alaskan waters north of the Bering Strait are a potential magnet for fishing fleets as sea ice retreats.

[UPDATE, 5/20: Natalie Angier has written a nice column on the relatively unheralded walrus, which — like the far more charismatic polar bear — is having a hard time as Arctic sea ice retreats earlier and farther each spring and summer and forms later in the boreal fall.

As the sea ice retreats, the water absorbs more sunshine and warms faster.

I've been to the Arctic three times for the newspaper since 2003 — visiting the North Slope, North Pole, and Greenland to examine what mix of human and natural forces is driving the warming and ice retreats and the implications of having increasing amounts of open water in summers in a region increasingly seen as a resource trove and shortcut for shipping.

Global warming from the ongoing buildup of human - generated greenhouse gases is almost certainly contributing to the ice retreats, a host of Arctic experts now agree, although they hold a range of views on how much of the recent big ice retreats is due to human activities.

There is a dramatic demonstration of this effect happening now as the Arctic ice retreats at an alarming rate, and the Arctic region warms twice as quickly as the rest of the planet.

The established icons of Arctic climate change are the polar bear and, to a lesser extent, those indigenous communities that are trying to maintain traditional ways in the face of slushy floes and the relentless erosion of coasts exposed to waves as sea ice retreats.

The Independent has been passed details of preliminary findings suggesting that massive deposits of sub-sea methane are bubbling to the surface as the Arctic region becomes warmer and its ice retreats.

I sent him my post on new insights about Arctic ice retreats in the last big northern warm period — a 2,500 - year «optimum,» ending around 6,000 years ago, when the region was several degrees warmer on average than today.

This is perhaps the least newsworthy item for readers here, given how much The Times has covered the mix of issues arising as summer sea ice retreats in the Arctic and pressures grow to exploit new shipping routes and northern resources.

Arctic researchers caution that there is something of a paradox in Arctic trends: while the long - term fate of the region may be mostly sealed, no one should presume that the recent sharp warming and seasonal ice retreats that have caught the world's attention will continue smoothly into the future.

My take is that the tug of war over what's causing today's telegenic heat waves, floods, tempests — and even Arctic sea - ice retreats — distracts from the high confidence scientists have in the long - term (but less sexy) picture: that more CO2 will lead to centuries of climate and coastal changes with big consequences for a growing human population (for better and worse in the short run, and likely mostly for the worse in the long run).

The winds and currents will have an even greater impact as the ice retreats from open areas near the North Atlantic towards the Canadian islands.

Only when the ice retreats much further and ships can travel out in deeper water will big ships be able to pass but it is unlikely they will be built any time soon.

As the sea ice retreats, the volumetric losses must decrease, as shown in Figure 3.

Sea levels inch upward as polar ice retreats.

Above that threshold, the ice retreats completely and we enter an interglacial.»

That has ominous implications as the sea ice retreats.

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.

CHICAGO, ILLINOIS — It's not a secret that the Arctic Ocean is turning from white to blue as sea ice retreats.