Sentences with phrase «from sheets of ice»

Erosion carved these icy blue cliffs from sheets of ice just below Mars's layer of dust (Science, DOI: 10.1126 / science / aao1619).

Not exact matches

Not only that but they are also on a moving glassier and the ice cores used for dating well they are taken from the interior of the ice sheet where the ice is quite stable and they don't get anywhere near 2 meters of snow per year.
Line two baking trays with baking paper, and cut desired tuile shapes (roughly 4x12cm in size) from an ice - cream container lid or a sheet of acetate.
1) Mix flour, butter and icing sugar in a bowl using two knives to cut the butter until the mixture resembles fine breadcrumbs 2) Add in the egg yolks and vanilla extracts and mix well, then add iced water until the dough starts to come together 3) Shape the dough into a ball on a cool, flat, floured surface 4) Flatten dough into a disc and then wrap in plastic wrap, and chill in the refrigerator for at least 30 minutes 5) Meanwhile, peel, core and slice the apples into as thin slices as possible 6) Mix sugar and ground cinnamon powder with sliced apples and let it rest for a while 7) Pre-heat oven to 180 deg cel 8) Once dough has chilled, roll pastry dough on a sheet of parchment paper until it has expanded to the size of the tart mold (I used a rough mold the size of a large pizza) 9) Leaving at least an inch of dough free, arrange apple slices by overlapping them slightly in the shape of a circle, starting from the outermost part of the circle, until you reach the inside 10) Fold the edges of dough over the filling and then sprinkle the dough with a bit of sugar 11) Bake for about 40 - 45 minutes, or until the crust is golden brown and the apples are soft 12) Serve warm, with a side of whipped cream or ice cream (optional)
Scoop 2 to 3 tablespoon portions of the cookie dough onto the prepared baking sheet using a medium - size spring - loaded ice cream scoop, placing them about 1 1/2 - inches apart from one another.
Becoming emotionally invested in a sports team is an inherently irrational activity, so pulling out the «It's a bunch of people who don't call Pennsylvania home getting paid ridiculous amounts of money to chase a piece of rubber up and down a sheet of ice» on a sports fan blog is just as silly as deciding everyone who chooses to support a team from Western Pennsylvania is stupid.
After receiving a pass from Messi, Neymar dribbled into the box and made City defender John Stones look as if he was trying to walk on a sheet of ice.
According to the Center for Remote Sensing of Ice Sheets (CReSIS), an NSF Science and Technology Center led by the University of Kansas, the melt from Greenland's ice sheet contributes to global sea level rise at a rate of 0.52 millimeters annualIce Sheets (CReSIS), an NSF Science and Technology Center led by the University of Kansas, the melt from Greenland's ice sheet contributes to global sea level rise at a rate of 0.52 millimeters annualice sheet contributes to global sea level rise at a rate of 0.52 millimeters annually.
Almost exactly a year ago, a 251 - square - kilometer sheet of ice broke from the Petermann Glacier in Greenland and started slowly drifting into the open ocean.
Following the maxim of keeping everything as simple as possible, but not simpler, Will Steffen from the Australian National University and I drew up an Anthropocene equation by homing in on the rate of change of Earth's life support system: the atmosphere, oceans, forests and wetlands, waterways and ice sheets and fabulous diversity of life.
Stewart Jamieson from Durham University in England and his colleagues made the discovery by looking for subtle changes in the ice sheet's surface shapes, developed as a result of ice flowing over diverse topography.
Any parts of the bed this low are easily exposed to ocean water, allowing the ice sheet to weaken from below as the ocean water warms.
That question is central to understanding the effects of ice sheet melting on ocean water properties, circulation, and biological systems, on scales from local to basinwide.
A hydrologist is studying the runoff from one chunk of the country's ice sheet to trace it back to its source
This gives confidence in the predictions of the current generation of ice - sheet models which are used to forecast future ice loss from Antarctica and resulting sea - level rise.»
While satellite measurements and climate models have detailed this recent ice loss, there are far fewer direct measurements of melt collected from the ice sheet itself.
Solids transmit sound efficiently: The grinding of Europa's thick ice sheets would make the surface of that Jovian moon far from library - quiet to an astronaut there.
From an appendectomy on the Antarctic ice sheet to the comparative luxury of the new South Pole station, scientist Vladimir Papitashvili talks about his life's work at the poles
For this study, researchers from Dartmouth and Boise State University spent two months on snowmobiles to collect seven ice cores from the remote «percolation zone» of the West Greenland Ice Sheice cores from the remote «percolation zone» of the West Greenland Ice SheIce Sheet.
The icebergs that find their way into the paths of transatlantic liners come down from the coast of Greenland; for the interior of Greenland is a huge ice sheet fringed by mountains and promontories.
Exact numbers are a work in progress The scientists used a combination of surface elevation data from satellites and planes between 1978 and 2012 and a GPS network that weighs the ice sheet like a scale, according to Ohio State.
Yet these model - based estimates do not include the possible acceleration of recently observed increases in ice loss from the Greenland and Antarctic ice sheets.
Although a British team was unsuccessful in its quest to penetrate Lake Ellsworth, a group of Russian scientists successfully retrieved samples from Lake Vostok, thousands of kilometers away on the Eastern Antarctic Ice Sheet.
Dan Sampson from the University of California in Santa Cruz jumps to test seismic sensors that are buried in the West Antarctic Ice Sheet, nearly 650 miles and a world away from the Dry Valleys.
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.
Recent modelling by researchers from the Potsdam Institute for Climate Impact Research in Germany, as well as studies of past climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm enough.
So far, the Ohio State team has finished processing images from about one quarter of the Greenland Ice Sheet, representing a tiny portion of the data already stored at Minnesota, and about one year's worth of work and computing for the research team.
But understanding what is happening down there, so far from human view, will be crucial for predicting the future fate of Antarctica's ice sheets amid rising temperatures.
When the team looked at the overall balance between the radiation upward from the surface of the ice sheet and the radiation both upward and downward from the upper levels of the atmosphere across all infrared wavelengths over the course of a year, they found that in central Antarctica the surface and lower atmosphere, against expectation, actually lose more energy to space if the air contains greenhouse gases, the researchers report online and in a forthcoming Geophysical Research Letters.
This isn't the first time ice sheets have calved from the Greenland mainland, but it's one of the largest breaks.
Perhaps extra carbon dioxide from a period of heightened seafloor eruptions eventually percolates through the ocean and into the atmosphere, allowing warming that would deliver a coup de grâce to the massive ice sheets.
Europe and America are moving away from one another; the Scandinavian countries, once weighed down by enormous sheets of ice, are now rising.
Using NASA and European Space Agency satellites, the 2015 study had measured the changing height of the ice sheet and determined that East Antarctica was ballooning upward by roughly 1.59 centimeters a year (at least from 1992 to 2001 and from 2003 to 2008).
Should Antarctica's ice sheets dissolve, sea levels would rise dramatically — enough to flood the world's great coastal megalopolises from New York to Shanghai and push millions of people inland.
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.
At present the ice sheet is grounded on underwater islands, which insulate some of the ice from the melting effect of the seawater upon which the rest of the sheet floats.
The scientists looked into the hypothesis that soot from forest fires in China, Siberia and North America could be driving the increased darkening of the ice sheet.
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.
Modeling studies on geoengineering to reflect sunlight away from the Earth suggest that modifying the planet's reflectivity could slow the meltdown of the Greenland ice sheet in the short term, but not stop it entirely, and could still allow an eventual total meltdown in the next millennia or so.
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.
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.
«We should be worried about the Greenland Ice Sheet,» says Joerg Schaefer, a geochemist from Columbia University's Lamont - Doherty Earth Observatory in Palisades, New York, and lead author of the findings, presented yesterday at the American Geophysical Union's annual meeting here.
Pine Island Glacier and the neighbouring Thwaites Glacier are responsible for nearly a third of total ice loss from the West Antarctic Ice Sheet, and this contribution has increased greatly over the past 25 yeaice loss from the West Antarctic Ice Sheet, and this contribution has increased greatly over the past 25 yeaIce Sheet, and this contribution has increased greatly over the past 25 years.
«IceBridge surveyed previously unexplored parts of the Greenland Ice Sheet and did it using state - of - the - art CReSIS radars,» said study co-author Mark Fahnestock, an IceBridge science team member and glaciologist from the Geophysical Institute at the University of Alaska Fairbanks (UAF - GI).
That might include draining away the water that lubricates the bottom of an ice sheet, speeding its progress to the sea, or installing barriers to prevent warming ocean waters from hitting the bottom of such glaciers and hastening meltdown.
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.
The Dark Zone of Greenland ice sheet is a large continuous region on the western flank of the ice sheet; it is some 400 kilometers wide stretching about 100 kilometres up from the margin of the ice.
Now Corbett, Shakun, and others are applying this isotope technique to additional cores taken from around the coast of Greenland to get a more complete and in - focus picture of the whole ice sheet's long history.
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.
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