Sentences with phrase «on ice modelling»

concluded from magnetic satellite measurements that the heat fluxes below the ice are anything but uniformal and (should) have a major effect on ice modelling in the future.
Data were analyzed by Hughes (1973); Weertman (1974), «entirely possible,» p. 3; the classic theory was Thomas (1973a); and Thomas (1973b); Flohn (1974) gave a more general model; on ice modeling, see also Hughes (1977).

Not exact matches

The Ice Bucket Challenge, however, may have just thrown cold water on that model.
British model Anara Atanes did the ALS Ice Bucket Challenge on Saturday after being nominated by her boyfriend, Manchester City midfielder Samir Nasri.
Alice Goodwin, the glamour model wife of former Stoke City, Liverpool and Arsenal winger Jermaine Pennant, did the Ice Bucket Challenge on Wednesday.
-- Fly a kite — Make mud pies — Create clay models — Make ice pops using fresh fruit juice — Roll down a hill — Have a scooting race — Embrace the loom bands — Draw on pavements in chalk — Go rock pooling
Radar measurements and models of Earthly glacial ice flows led researchers to conclude that the glaciers spotted on Mars from orbiters contain nearly 150 billion cubic meters of water.
What we find with Webb will help inform our models and allow us to understand the mechanisms for ice formation at very low temperatures,» explained Karin Öberg of the Harvard - Smithsonian Center for Astrophysics, an investigator on the project.
Heavier models tend to have larger screens and more features but are better for installing on a motorboat than toting with you across the ice or out to a hidden lake.
Due to the real «go on ice» researchers receive the unique scientific data, which is then used in construction of mathematical models among them are integral characteristics of the processes (the diameter and depth of explosive lanes, etc.).
When the researchers modeled the impacts of these altered winds on Antarctica they found that they could drive warming of up to 1 °C of the waters at the depth of floating ice shelves along the Western Antarctica Peninsula.
Professor Gavin Foster, from the University of Southampton, said: «The Intergovernmental Panel on Climate Change have shown that climate models can successfully simulate climates from the freezing world of the last Ice Age, to the intense warmth of the «Eocene greenhouse», 50 million years ago.
Dr Hogg, an ESA Research Fellow in the Centre for Polar Observation and Modelling (CPOM) at Leeds said: «The satellite images reveal a lot of continuing action on Larsen - C Ice Shelf.
Materials scientists hope their computer model results will spark further research into the effects of carbon dioxide on fracturing in glaciers and ice sheets
This allowed them to calculate the redistribution of mass on Earth's surface due to the melting of the Greenland and Antarctic ice sheets and mountain glaciers, and model the shift in Earth's axis.
Over the current century, the model projects that the average albedo for the entire ice sheet will fall by as much as 8 percent, and by as much 10 percent on the western edge, where the ice is darkest today.
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.
«From computer models, we knew that the bedrock should rebound as the weight of ice on top of it goes away,» Wilson said.
Using computer modeling to interpret images from NASA's Galileo satellite, Pappalardo and Barr demonstrated that acnelike markings on Europa's surface are probably bits of ice containing minerals such as chloride salts and sulfuric acid, which lower the melting point so the material can rise from deep below.
Untersee is a good model for Mars, he says, because it is supplied by subglacial melt — water that accumulates at the bottom of an ice pile — rather than from surface melting, which does not occur on Mars.
On the basis of physical factors, it is claimed that these models can be used to predict when and where the ice may collapse.
New research by UM bioclimatology Assistant Professor Ashley Ballantyne models the influence of Arctic sea ice on Arctic temperatures during the Pliocene era.
Scambos's group predicted the final Larsen B collapse using a model that looks at how much meltwater has pooled on the surface of the ice, and he now hopes to apply the model to bigger Antarctic ice shelves.
With the help of a fictional guide dubbed John Lubbock, modeled after a Victorian naturalist who wrote a popular book called Prehistoric Times, Mithen embarks on a vivid tour of the warming world as it emerged from the last ice age.
«When we look forward several decades, climate models predict such profound loss of Arctic sea ice that there's little doubt this will negatively affect polar bears throughout much of their range, because of their critical dependence on sea ice,» said Kristin Laidre, a researcher at the University of Washington's Polar Science Center in Seattle and co-author of a study on projections of the global polar bear population.
The international team of co-authors, led by Peter Clark of Oregon State University, generated new scenarios for temperature rise, glacial melting, sea - level rise and coastal flooding based on state - of - the - art climate and ice sheet models.
Coastal sea ice formation takes place on relatively small scales, however, and is not captured well in global climate models, according to scientists at the University of California, Santa Cruz, who conducted the study.
Blankenship told her that although he agreed on the basics of Pappalardo's model, he did not think that the warm blobs of ice would make it all the way to Europa's surface.
And when we understand the physics, we can develop better models to simulate and predict when and how ice will build up on cold days.»
Iowa State's Hui Hu examines ice on a test model taken from the university's Icing Research Tunnel.
But most of all, she wanted to know whether Pappalardo's model of Europa's ice sheet jibed with all he had learned from almost 30 years of studying ice on Earth.
Most important, it relies on the first published results from the latest generation of so - called Earth System climate models, complex programs that run on supercomputers and seek to simulate the planet's oceans, land, ice, and atmosphere.
Their paper, published in Physics of Fluids, from AIP Publishing, provides a model for four stages of ice formation on aircraft wings.
Based on the southern core we thought this was a localized low heat - flux region — but our model shows that a much larger part of the southern ice sheet has low heat flux.
The researchers» forecasts are based on the AWI's BRIOS (Bremerhaven Regional Ice - Ocean Simulations) model, a coupled ice - ocean model that the team forced with atmospheric data from the SRES - A1B climate scenario, created at Britain's Met Office Hadley Centre in ExetIce - Ocean Simulations) model, a coupled ice - ocean model that the team forced with atmospheric data from the SRES - A1B climate scenario, created at Britain's Met Office Hadley Centre in Exetice - ocean model that the team forced with atmospheric data from the SRES - A1B climate scenario, created at Britain's Met Office Hadley Centre in Exeter.
Moon describes the many ways researchers study glacier dynamics, from in - place measurements on the ice to satellite - based monitoring campaigns to models.
Many older models of Greenland assumed that its massive ice sheet sat on bedrock that was relatively flat, even though scientists did not know the full thickness of the ice.
Using the sophisticated UK Met Office climate model, Dr Screen conducted computer experiments to study the effects of Arctic sea - ice loss on the NAO and on Northern European winter temperatures.
Weaver's models also demonstrate that once the temperature in the dust cloud reaches about — 280ºF, most of the molecules evaporate from the ice on dust grains and enter a gas phase, allowing them to react a lot more quickly and to form complex molecules.
However, the Intergovernmental Panel on Climate Change warned in its latest report that this could be an underestimate, because the computer models used may not be able to predict rapid changes in Antarctica's ice.
Climate change models predict that the Arctic sea ice will continue to shrink in a warming world (as much as 40 % of the ice is expected to be gone by midcentury), and the resulting changes — including later formation of ice in the autumn, rain falling on the snow, and decreasing snow depths — will make it increasingly difficult for the seals to construct their snow caves, NOAA says.
«If we could grow icicles on the computer, in a physical way, then we can create virtual models of chasms, caves, ice storms, shut - down airports and so on in days instead of months,» says Batty's colleague Eitan Grinspun.
But the large volumes of data on Arctic sea and land ice that IceBridge has collected during its nine years of operations there have also enabled scientific discoveries ranging from the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed to improvements in snowfall accumulation models for all of Greenlaice that IceBridge has collected during its nine years of operations there have also enabled scientific discoveries ranging from the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed to improvements in snowfall accumulation models for all of GreenlaIce Sheet are thawed to improvements in snowfall accumulation models for all of Greenland.
However, the details of the process in ice aren't very well understood, and modeling studies that try to capture those dynamics on Europa had yielded some puzzling results, the researchers say.
Combining the speed and thickness measurements allowed the scientists to determine how much ice was flowing into the ocean, while the climate model allowed them to estimate how much snow was falling on the ice sheet.
As models improved, the Fifth Assessment Report, released in 2013, was able to provide numerical estimates of future ice loss but still based on the informal judgment of a limited number of participants.
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.
Even a small change in temperature or humidity can radically alter the shape and size of a snowflake, making it notoriously difficult to model these ice crystals on a computer.
In examining the ultimate transdisciplinary issue, humanity's evolving two - way relationship with the climate, I've had the rare privilege of studying the whole picture, from the climate models running on supercomputers in Boulder in 1985 to the burning rain forests of the western Amazon in 1989 to the shifting sea ice around the North Pole in 2003 to the contentious climate treaty talks in one city after another.
The other relies on sophisticated computer models to predict the future melting of Thwaites Glacier, the biggest of West Antarctica's frozen ice rivers.
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