Sentences with phrase «big sheet of ice»

It used to be more of a big sheet of ice, and now [we're seeing] chunks of ice.»

Not exact matches

Take a new sheet of baking paper just a little bigger than your sponge and dust it with either icing sugar or caster (super fine) sugar, this is what I used to give it the sparkling outside.

Even relatively large calving events, where tabular ice chunks the size of Manhattan or bigger calve from the seaward front of the shelf, can be considered normal if the ice sheet is in overall balance.

• In Antarctica, Greenland and other places where big ice sheets are surrounded by the ocean, sometimes big chunks of ice fall into the ocean after they have started to melt.

The Ross Ice Shelf, a thick, floating tongue of solid ice the size of Spain, is the biggest of the many such barriers that ring Antarctica and keep its ice sheets from sliding into the sIce Shelf, a thick, floating tongue of solid ice the size of Spain, is the biggest of the many such barriers that ring Antarctica and keep its ice sheets from sliding into the sice the size of Spain, is the biggest of the many such barriers that ring Antarctica and keep its ice sheets from sliding into the sice sheets from sliding into the sea.

Enkelmann appreciates the challenge of collecting samples here because this range has the highest peaks of any coastal mountain range and is only 20 kilometers from the Pacific Ocean, but she points out that it is a tough area to study because of the big ice sheets.

New understanding of how big ice sheets on Greenland and Antarctica might break up has forced the IPCC to almost double its estimates of likely sea level rise by the end of the century — to as much as 1 metre.

However, a new study from a team of researchers led by University of Wisconsin - Madison Space Science and Engineering Center scientist, Claire Pettersen, describes a unique method involving cloud characteristics that could help answer some big questions about the Greenland Ice Sheet and its snowfall.

«It was the biggest collapse of its kind up to that point, and it served to demonstrate how ice shelves regulate the movement of ice from the interior of the ice sheet to the ocean.»

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.

Chen's team calculated that the biggest contribution is coming from the melting of the Greenland ice sheet, which is losing about 250 gigatonnes of ice each year.

One of the big mysteries in the scientific world is how the ice sheets of Antarctica formed so rapidly about 34 million years ago, at the boundary between the Eocene and Oligocene epochs.

When the planet's big ice sheets collapsed at the end of the last ice age, their melting caused global sea levels to rise as much as 100 meters in roughly 10,000 years, which is fast in geological time, Mann noted.

The world's biggest reserves of above - water ice are in Antarctica, and understanding the rate at which the ice sheet will slough into the sea could help researchers refine sea level rise forecasts.

The ice sheets themselves are the biggest challenge for climate modelling since we don't have direct evidence of the many of the key processes that occur at the ice sheet base (for obvious reasons), nor even of what the topography or conditions are at the base itself.

In this model of Titan, however, the roots extending below the ice sheet are so much bigger than the bumps on the surface that their buoyancy is pushing them up against the ice sheet.

That's the big sledgehammer that's hitting the ice sheets right now, and the details of what is going on are hidden.»

«It's like a big beach ball under the ice sheet pushing up on it, and the only way to keep it submerged is if the ice sheet is strong,» said Hemingway, a doctoral candidate in planetary geophysics at UCSC and lead author of the paper.

The ice that is of most concern is the West Antarctic Ice Sheet, which is undergoing unprecedented changes, and is likely the biggest potential player in future global sea level riice that is of most concern is the West Antarctic Ice Sheet, which is undergoing unprecedented changes, and is likely the biggest potential player in future global sea level riIce Sheet, which is undergoing unprecedented changes, and is likely the biggest potential player in future global sea level rise.

But the IPCC specifically excluded the mechanism able to produce the biggest amounts of water quickly - acceleration in the flow of ice from the Greenland and Antarctic ice sheets, the world's two major ice masses that would between them raise sea levels by about 70m if they completely melted.

As glacial geologists, some of the biggest questions that we'd like to answer are not only how large former ice sheets were, but also how fast did the recede and how quickly did they thin?

Amelia Shevenell from the University of South Florida specializes in big ideas about paleoceanography and the Antarctic Ice Sheet.

Scoop big balls of ice cream onto a baking sheet with parchment paper, cover the cookies with more parchment paper then gently flatten the balls so that they are roughly the diameter of the cookies.

The ice field represents the remnant of an even bigger ice sheet from the last glacial period, and now feeds dozens of glaciers across the continent.

Seeking to now provide «a little bit of balance to this concept of unstoppable retreat» of the Antarctic ice sheet, Rignot clings to hope the global community can «actually, possibly, prevent some of the big ice sheets» from inevitably melting.

One of the biggest potential impacts on human affairs from sustained warming is coastal inundation as warming seas swell and fill with water flowing from melting ice sheets.

Maybe a big chunk of ice sheet destabilizing and producing a significant sudden sea level rise.

Ian Joughin made some statements recently [context] that I thought were pretty solid about it being a few centuries before this kind of very rapid sea level rise can take place and that makes sense to me because there are some very important things that you have to do in order to turn on the rapid response of the Antarctic ice sheet — you have to get rid of a couple of big ice shelves for starters.

These are risks like the unstoppable loss of big portions of Greenland and West Antarctic ice sheets.

Certainly, I have never climbed the big ice sheets, but I have rubbed my nose on a fair bit of ice, and learned few lessons.

The biggest change is that ice sheet dynamics look more uncertain now than at the time of the TAR, which is why this uncertainty is not included any more in the cited range but discussed separately in the text.

A big new Nature paper summarizing findings from one of the most important drilling projects on Greenland has important implications for the fate of the ice sheet in a warmer world.

«We found that several vulnerable elements in Earth's climate system — like the Amazon and other big rain forests, like the great ice sheets that have so much sea level locked up in their ice — could be pushed toward abrupt or irreversible change if we go on toward 2100 with our business - as - usual increase in emissions of greenhouse gases,» he said.

One of the biggest sources on the graph is water from the Greenland ice sheet.

On the other hand, if by some chance and what ends up happening is totally independent of human activity, because it turns out after all that CO2 from fossil fuels is magically transparent to infrared and has no effect on ocean pH, unlike regular CO2, say, but coincidentally big pieces of the ice sheets melt and temperature goes up 7 C in the next couple of centuries and weather patterns change and large unprecedented extreme events happen with incerasing frequency, and coincidentally all the reefs and shellfish die and the ocean becomes a rancid puddle, that could be unfortunate.

«In terms of public debate, the big - ticket questions have been, «What is the history of the West Antarctic Ice Sheet?»»

Gardner also notes that the study does not include Greenland and Antarctica — which contain 30 per cent of global glacier ice — and their «ice sheets are the big unknowns for future contributions to sea level».

The biggest part of the Greenland Ice Sheet actually survived the relatively warm [just 0.7 degrees Celsius warmer than the Holocene] period, it turns out.

From KU Leuven and the «department of annoying back - radiation» comes this claim that flies in the face of the «big melt» under «thin clouds» aka nearly clear skies back in July 2012 Clouds play a bigger role in the melting of the Greenland ice sheet than was previously assumed.

Our understanding of what lies beneath the world's biggest ice sheet has taken another leap forward.

The biggest scientific contribution that Hansen and his colleagues make is an attempt to nail down a Moore's law (which models nonlinear rates of growth in computer chips) to ice sheets: Assuming non-linear processes have already begun, how fast will Greenland and Antarctica melt?

The melting of the Greenland and Antarctic ice sheets were the biggest drivers of the increases, they say.

Based on the velocity map, it is the Zachariae that is likely the only of this group that would be comparable to a bank that is too big to fail as its increased velocity band extends well into the ice sheet.

The biggest problem seems to be for ice sheet melt, in the discrepancy between the paleoevidence and the models, with models producing rates of melting far below both the paleoevidence and current observations.

The impact of the melting of the great ice sheets of Greenland and Antarctica is the biggest unknown in projections of future sea - level rise.

Gardner also notes that the study does not include Greenland and Antarctica — which contain 30 % of global glacier ice — and their «ice sheets are the big unknowns for future contributions to sea level».

Chen's team calculated that the biggest contribution is coming from the melting of the Greenland ice sheet, which is losing about 250 gigatonnes of ice each year.

At eight of the ice sheet's 65 biggest glaciers, the speed of retreat was more than five times the rate of deglaciation since the last ice age.