Sentences with phrase «sheet of ice covers»

A thick sheet of ice covers one half, and water runs over sharp boulders on the other.

The massive sheets of ice covering most of Antarctica started as falling snow.

Sheets of ice covered N Europe, & North America as low as Indiana & Iowa.

While there is a risk that I will fall down while walking in my back lane during the summer, the risk that I will do so right now while it is a sheet of ice covered with a thin layer of new snow, is a heck of a lot higher.

Not exact matches

It's estimated that roughly 99 percent of Earth's land ice is stored in the ice sheets that cover Antarctica and Greenland, so their health is something scientists — and the world — can no longer ignore.

Layers of rich peanut butter ice cream with chocolate - covered peanuts are sandwiched between velvety chocolate ice cream and sheets of crackly dark chocolate.

While most duck shooters snuggle deeper under the blankets, the Maine seabirder gets up at 4 a.m., drives his boat through swells that wash over the decks and turn them into sheets of ice, sets his trawl line of decoys, anchors in the lee of a ledge and covers his boat with rockweed.

A glacier is made up of thousands of tons of ice which is layered in sheets and covers miles and miles.

an alternative to ice cube trays is to place several rows, each made up of two tablespoons of your homemade baby food on a wax paper covered baking sheet and then freeze and move to labeled freezer bags.

Now the team is packing up their tools and mobile labs so that they can be shipped out to the ice sheet for the real deal: Boring through a half - mile of ice covering Lake Whillans.

One massive ice sheet, more than 3 kilometres thick in places, grew in fits and starts until it covered almost all of Canada and stretched down as far as Manhattan.

It's the seventh such journey Morris has undertaken since 2004, all of them aimed at measuring the density of the top layer of snow covering the ice sheet.

The area, marked NEGIS, covers about 16 percent of the island's thick ice sheet.

The only current ice sheets are Antarctic and Greenland; during the last ice age at Last Glacial Maximum (LGM) the Laurentide ice sheet covered much of Canada and North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South Ameriice sheets are Antarctic and Greenland; during the last ice age at Last Glacial Maximum (LGM) the Laurentide ice sheet covered much of Canada and North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South Ameriice age at Last Glacial Maximum (LGM) the Laurentide ice sheet covered much of Canada and North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South Ameriice sheet covered much of Canada and North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South Amesheet covered much of Canada and North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South Ameriice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South Amesheet covered northern Europe and the Patagonian Ice Sheet covered southern South AmeriIce Sheet covered southern South AmeSheet covered southern South America.

From 500 feet up everything appeared in miniature except the giant ice shelves — seemingly endless expanses of ice, as thick as the length of several football fields, that float in the Southern Ocean, fringing the ice sheets that virtually cover the Antarctic landmass.

The Antarctic ice sheet, the thick layer of ice covering much of the continent, is anchored in place by its floating fringe, shelves of ice that jut out into the surrounding ocean.

Another major factor in this study was the scope of Operation IceBridge's measurements across Greenland, which included flights that covered distances of tens of thousands of kilometers across the ice sheet.

Capt. Roald Amundsen, the discoverer of the Northwest Passage, left Norway in June, 1910, in the «Fram,» seemingly with the intention of sailing around Cape Horn, however, he sailed to the westward across the South Pacific, and made a landing at whale Bay on the ice sheet covering Ross Sea.

Scientists estimate the lake itself is roughly 14 million years old — the age of the ice sheet that covers it — and that the water currently in the lake is roughly 1 million years old.

the south - bound expedition had cleared that vast plain of floating ice which flows down from the great mountains of the interior and covers the southern part of Ross Sea throughout an area above 20,000 square miles with an ice sheet approximately 800 feet in thickness, and had begun to climb the heights which form the mountainous embayment at the head of Ross Sea.

That's because Schaefer and colleagues» data comes from a single point in the middle of Greenland, pointing to a range of possible scenarios of what happened in the past, including several that challenge the image of Greenland being continuously covered by an extensive ice sheet during the Pleistocene.

But enormous blooms of photosynthetic algae also cover the snow - strewn ice sheet every summer.

Volk: From what it is today, and yet it was massively different with ice sheets where you and I are talking right now; in New York City would have been covered with an ice sheet that was taller than the Empire State Building, that would have been right here, you know, over 20,000 years ago, and the distribution of trees and all kinds of organisms, these distributions were very different from what they are today.

But now everything's fixed, and we're getting good cores that will help reveal the history of the ice sheet that last covered this bay.

«Polar regions have been changing very rapidly, providing data for our projections on sea ice, snow cover, ice sheets and sea level rise,» says David Vaughan of the British Antarctic Survey in Cambridge, UK, the lead author of the cryosphere chapter.

Melting can be rapid: as the last ice age ended, the disappearance of the ice sheet covering North America increased sea level by more than a metre per century at times.

For several years, scientists at the Polar Research Institute of China in Shanghai, who are also members of IPICS, have been probing the ice sheet that covers Dome A, a plateau close to the centre of the Antarctic continent.

The area covered by all the green leaves on Earth is equal to, on average, 32 percent of Earth's total surface area — oceans, lands and permanent ice sheets combined.

The study covers a period that begins at the end of the Ice Age and when there still was an ice sheet covering Canada, Shuman saIce Age and when there still was an ice sheet covering Canada, Shuman saice sheet covering Canada, Shuman says.

A new study has found that the massive Laurentide ice sheet that covered Canada during the last ice age initially began shrinking through calving of icebergs, and then abruptly shifted into a new regime where melting on the continent took precedence, ultimately leading to the sheet's demise.

A study of the demise of the Laurentide Ice Sheet that once covered Canada may help scientists better understand shrinking ice fields today — like this melting ice margin in GreenlaIce Sheet that once covered Canada may help scientists better understand shrinking ice fields today — like this melting ice margin in Greenlaice fields today — like this melting ice margin in Greenlaice margin in Greenland.

What is now Lake Whillans was probably covered and uncovered by the ice sheet dozens of times as the climate swung back and forth over the past 20 million years.

Massive ice sheets cover much of your Arctic world.

At the time people were present at Page - Ladson, ice sheets still covered much of North America, so the only way that people could have come to the Americas would have been by boat, hopping down the Pacific coast and then presumably using rivers to move inland.

The sediment cores used in this study cover a period when the planet went through many climate cycles driven by variations in Earth's orbit, from extreme glacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like today's.

Meltwater from the ice sheet that once covered Canada has left behind clues that could help scientists predict the future of Greenland's vanishing ice

It is difficult to obtain fossil data from the 10 % of Earth's terrestrial surface that is covered by thick glaciers and ice sheets, and hence, knowledge of the paleoenvironments of these regions has remained limited.

The research team found the evidence confirming the stability of the East Antarctic ice sheet at an altitude of 6,200 feet, about 400 miles from the South Pole at the edge of what's called the polar plateau, a flat, high surface of the ice sheet covering much of East Antarctica.

On a clear day, anyone flying over Greenland on the route between North America and Europe can look down and see the bright blue patches of melted water atop the flat, blindingly white expanse of the ice sheet that covers the island, the second largest chunk of ice on Earth.

At the Dome A site in East Antarctica — roughly the size of the state of California — the base layer of refrozen ice accounted for up to half the total thickness of the ice sheet, and 24 percent of the area covered by ice.

The Greenland Ice Sheet covers an area roughly the size of Mexico and measures up to 3 km thick in some places.

In the last year, a slew of papers has highlighted the vulnerability of the ice sheet covering the western half of the continent, suggesting that its downfall is inevitable — and probably already underway.

The Eurasian ice sheet was an enormous conveyor of ice that covered most of northern Europe some 23,000 years ago.

In July nasa satellite images revealed a rapid thawing of the ice sheet that covers about 80 percent of Greenland.

During the last ice age, much of North America was covered by a giant ice sheet that many scientists believe underwent several catastrophic collapses, causing huge icebergs to enter the North Atlantic — phenomena known as Heinrich events.

«During the last ice age around 20,000 years ago, large parts of Canada were covered by an ice sheet.

One of the last major unexplored geological features on Earth, the ridge has slowly lost the ice sheet covering it thanks to global warming, opening the sea to exploration — and offshore mining and drilling.

The IPCC has taken a crack at that, identifying 26 «key vulnerabilities» in its most recent assessment, ranging from declines in agricultural productivity to the melting of ice sheets and polar ice cover as well as determining how to judge if they are spiraling out of control.

Zachariae is the largest ice stream in a drainage basin that covers 16 percent of the Greenland ice sheet — an area twice as large as the one drained by Jakobshavn.

The Cordilleran Ice Sheet (CIS) once covered an area comparable to that of Greenland.