Sentences with phrase «of ice retreating»

Mr. Gore showed those videos of ice retreating in Antarctica.

It's also true that this summer saw the most rapid rates of ice retreat yet:

OK, so are we not only looking for areas of ice retreat (which is obvious), but also getting a handle on the proportion of global ice that is in the I'm - Busy - doing - the - Absorbing - Latent - Heat - of - Fusion - Thing state?

There is a shared mechanism at work that has emerged from the detailed observations of a number of researchers, that is the key to the onset and progression of the ice retreat.

They also found that 67 percent of the variance for the date at which ice advances back to the shelf break in autumn and winter can be related to the combined effects of the July through September Bering Strait inflow and the date of ice retreat.

Fowler, Drobot, and Maslanik (4 - no new data available - see June report) While no new data are available for the onset of ice retreat from Fowler et al., their earlier assessment of ice retreat patterns in this sector is still valid and appears to reproduce at least part of the retreat pattern, with a tongue of lingering ice north of Barrow.

Red pie charts over Greenland and Antarctica denote fraction (not location) of ice retreat.)

Ice conditions in this region are well below the historical 1968 - 2000 climatology and at least one month ahead of the ice retreat for this area in August 2007, when the Northwest Passage opened.

Not exact matches

By then, and in just the previous few decades, northern sections of the Larsen Ice Shelf had «retreated significantly,» said Jacobs.

as the ice retreated a group of brown bears were seperated from the mainland over time the offspring of those trapped bears that had lighter fur were able to catch food easiler thus passing on their genetics.

Brazen Racing CA Academy of Sciences CAL SHAKES Castello di Amorosa Chabot Space & Science Center Children's Creativity Museum Children's Fairyland Clarke Ranch Comal Costco Wholesale Danish Woolen Delight Dawn Discovered Dholrhythms Disneyland Resort Dominus Estate East Bay Coffee Company Encore Gym Exploratorium Fentons Creamery Fine Arts Museums of San Francisco Galileo: Innovation Camps for Kids Goosecross Cellars Gourmet Gift Baskets Honig Wines In & Out Burger In Shape Fitness INNAjam LLC Judd's Hill Winery Kamik Kinetic Arts Center Lacis Museum of Lace and Textiles Lalime's Larkmead Vineyards Le Labo Leras Family Farm Lindsey Wildlife Experience Little Folkies Livie & Luca Living Vision Kitchen Love + Chocolate Markham Vineyards Mayamam Weavers mercurius Moraga Orinda Fire Department Naked Wines Navitas Naturals Niles Canyon Railway Nova Natural Oakland Ice Center Operated by Sharks Ice O'Brien Estate O'Connell Family Wines Oriental Trading Company Performing Academy PlumpJack Winery Pure Bath & Body Restaurants Unlimited San Francisco Giants San Francisco Zoo Sarah's Science School of Rock Sienna Ranch Six Flags Discovery Kingdom Sky 9 Studio Softstar Shoes Sonoma TrainTown Railroad Spa de Esperanza Sports Basement Sticky Art Lab The Habit Burger Grill The Lawrence Hall of Science The Mystic Dream The Sewing Room University of California Botanical Garden at Berkeley UrbanSitter Varozza Vineyards Venado Retreat Villa Jewelers Walt Disney Family Museum WoodspiritHANDCRAFT

The governor, who has been around the state politics since the Laurentide ice sheet retreated, knows something about the tortured relationship between the chief magistrate of the state's largest city and the state capital.

Sensors that have plumbed the depths of Arctic seas since 2002 have found warm currents creeping up from the Atlantic Ocean and helping drive the dramatic retreat of sea ice there over the last decade.

It forced the ice to retreat but stopped at about 7,500 years ago, when the belt of westerly winds driving the deep water onto the shelf shifted northwards.

In comparison, it took the Jakobshavn Isbræ ice stream — a southwest Greenland region with a fast - moving glacier that has been a focal point of scientific examination of ice sheet melt — 150 years to retreat 35 kilometers, said Khan.

The researchers recommend that the National Climate Assessment incorporate the timing of spring ice retreat and fall ice advance as measures of climate change in future reports.

There is consistent evidence of a human presence in the Scandinavian peninsula from around 11,700 years ago, and similarities between stone tool artefacts found in Scandinavia and those seen in both Western Europe and Eastern Europe suggest that several groups may have migrated into the area when the ice retreated.

Evidence of past glacial advance and retreat is also more easily observed in the Dry Valleys, providing a window into the past behavior of the vast Antarctic ice sheets and their influence on global sea levels.

By reading the ups and downs of organic versus nonorganic sediment in a core, sedimentologists can follow the retreats and advances of ice over the past 20,000 years.

Today's red deer, which recolonized Europe after the ice sheet melted about 12,000 years ago, fall into three or four distinct lineages that likely correspond to separate southern regions to which the deer had retreated during the height of the ice age, Stanton says.

Professor Luckman said, «When it calves, the Larsen C Ice Shelf will lose more than 10 % of its area to leave the ice front at its most retreated position ever recorded; this event will fundamentally change the landscape of the Antarctic PeninsuIce Shelf will lose more than 10 % of its area to leave the ice front at its most retreated position ever recorded; this event will fundamentally change the landscape of the Antarctic Peninsuice front at its most retreated position ever recorded; this event will fundamentally change the landscape of the Antarctic Peninsula.

The International Union for the Conservation of Nature (IUCN), which maintains the international «Red List» of threatened species, considers the polar bear «vulnerable» due to climate change - induced retreating sea ice.

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.

Today, as warming waters caused by climate change flow underneath the floating ice shelves in Pine Island Bay, the Antarctic Ice Sheet is once again at risk of losing mass from rapidly retreating glacieice shelves in Pine Island Bay, the Antarctic Ice Sheet is once again at risk of losing mass from rapidly retreating glacieIce Sheet is once again at risk of losing mass from rapidly retreating glaciers.

Eventually, the floating ice shelf in front of the glaciers «broke up», which caused them to retreat onto land sloping downward from the grounding lines to the interior of the ice sheet.

Thousands of marks on the Antarctic seafloor, caused by icebergs which broke free from glaciers more than ten thousand years ago, show how part of the Antarctic Ice Sheet retreated rapidly at the end of the last ice age as it balanced precariously on sloping ground and became unstabIce Sheet retreated rapidly at the end of the last ice age as it balanced precariously on sloping ground and became unstabice age as it balanced precariously on sloping ground and became unstable.

They found that, as seas warmed at the end of the last ice age, Pine Island Glacier retreated to a point where its grounding line — the point where it enters the ocean and starts to float — was perched precariously at the end of a slope.

This exposed tall ice «cliffs» at their margin with an unstable height, and resulted in rapid retreat of the glaciers from marine ice cliff instability between 12,000 and 11,000 years ago.

«Today, the Pine Island and Thwaites glaciers are grounded in a very precarious position, and major retreat may already be happening, caused primarily by warm waters melting from below the ice shelves that jut out from each glacier into the sea,» said Matthew Wise of Cambridge's Scott Polar Research Institute, and the study's first author.

The sun and moon tug on the planet, while the drift of continents, changes in ocean currents, and the rebounding of the crust since the retreat of ice age glaciers all shift mass around, altering Earth's moment of inertia and therefore its spin.

Their results overcome a basic problem of trying to discern the deep history of ice from bedrock: every time an ice sheet retreats and then grows back, it scours away the bedrock and the isotope record of its own past.

And in many places, it's moving faster than the ice is thought to have retreated during the warming period at the end of the last ice age, around 20,000 years ago.

RETREATING ICE Jakobshavn Glacier in western Greenland (its front edge, where ice is calving into the ocean, shown here in 2012) is one of the world's fastest - shrinking glaciers.

Satellite studies of Earth's gravitational field show that North America is still rebounding from the weight of the massive Laurentide Ice Sheet, which retreated thousands of years ago

The retreat is especially severe in West Antarctica, widely acknowledged as the most vulnerable part of the continent and the region whose glaciers are losing the most ice.

Massive reorganizations of the ocean - atmosphere system, the authors argue, are the key events that link cyclic changes in the earth's orbit to the advance and retreat of ice sheets

But scientists increasingly attribute much of the observed grounding line retreat — particularly in West Antarctica — to the influence of warmer ocean water seeping beneath the ice shelves and lapping against the bases of glaciers, melting the ice from the bottom up.

The incident, which was monitored and recorded by satellite images, aerial photography and a research vessel navigating through the resulting icebergs, is the largest single event in a 30 - year series of ice shelf retreats in the area.

The amount of carbon dioxide has risen and fallen a bit, coinciding with the spread and retreat of glaciers as ice ages have come and gone.

One response to this warming, scientists say, is the retreat of five ice shelves, including Larsen B. «Since [1998], warming on the peninsula has continued and we watched as piece - by - piece Larsen B has retreated,» David Vaughan of the British Antarctic Survey says.

When the ice retreats, it takes with it the basis of their diet.

The reason for the retreat of the ice sheets remains elusive, however.

The Clovis tools were the product of a second group, who came in through Alaska and Canada later, after the ice had retreated.

«That means the rapid retreat of Arctic sea ice poses an especially serious threat for polar cod.

The biggest changes were seen in West Antarctica, where more than a fifth of the ice sheet has retreated across the sea floor faster than the pace of deglaciation.

In addition, both studies have yielded valuable data that can be integrated into ecosystem models — which are in turn essential to forecasts of how the retreat of sea ice will affect the Arctic ecosystem.

«It is conceivable that part of that litter then drifts even farther to the north and northwest, and reaches the Fram Strait,» states the AWI biologist, adding, «Another cause for litter in the Arctic could be the retreat of the Arctic sea ice.

«Unraveling a major cause of sea ice retreat in the Arctic Ocean.»

What is beyond doubt is that Homo sapiens survived and turned to farming soon after the ice retreated, setting the stage for the rise of modern civilisation.

Furthermore, unraveling the causes of sea ice retreat should help us understand the mechanisms behind climate change on a global level, which is interrelated to the ice reduction in the Arctic ocean.»