Sentences with phrase «of snow masses»

Prof. Peters with his research team are now developing a model that calculates the properties and behaviour of snow masses under high and low strain rates based on the structure of microscopic snow particles.

Not exact matches

I feel very much like a snowball midway through its pathway of becoming a massive snow boulder just startingto pick up some momentum, it is like my dividend income finally has some mass, but not as strong had it be like the Giant snowball at the bottom of a long steep hill.
Although a wide - range of topics were discussed, such as mass transit options and Hurricane Sandy recovery, one local issue raised had to do with the recent snow storm and its lackluster response from the city.
The greatest increase in snowfall has been over the Antarctic Peninsula, where the mass of snow per decade has risen by 123 gigatonnes in 200 years.
«The problem about satellites is that they will give you the change in height [of snow] but not change in mass,» Morris said.
These cold air masses often cause nor'easter s, winter storms that move up the Eastern Seaboard and dump massive amounts of snow on the East Coast, as with «Snowmageddon» in 2010.
Scientists understand the conditions that trigger these so - called glide avalanches, but a new analysis of field data stretching back to the 1930s suggests that conditions inside the snow masses — and therefore the forces and stresses that they impose on structures in their paths — have been woefully underestimated in some cases.
To better understand and anticipate changes in sea level rise, scientists have sought to quantify how much snow falls on the ice sheet in any given year, and where, since snow is the primary source of the ice sheet's mass.
Any enthusiast of winter sports dreads being overtaken by an avalanche, knowing that there is little chance of freeing oneself once buried beneath the mass of snowsnow that becomes hard as concrete until the buried person can no longer move as much as a finger.
An avalanche is a slide of a large snow (or rock) mass down a mountainside, caused when a buildup of snow is released down a slope, and is one of the major dangers faced in the mountains in winter.
David Ullman, a postdoctoral researcher at Oregon State University and lead author on the study, said there are two mechanisms through which ice sheets diminish — dynamically, from the jettisoning of icebergs at the fringes, or by a negative «surface mass balance,» which compares the amount of snow accumulation relative to melting.
Using an instrument called a mass spectrometer, scientists could peer at molecules of ice and learn the temperature on the day that the snow fell.
A mass of cold air from the north or north - east coming off the Atlantic and loaded with moisture are the «ingredients» for a spell of intense snow in these areas.
To this end, a group of Swiss researchers at the WSL - Institute for Snow and Avalanche Research (SLF), led by Prof. Michael Lehning, is exploring mass and momentum fluxes during drifting snow events, pursuing an improved understanding of the link between snow cover erosion and depositSnow and Avalanche Research (SLF), led by Prof. Michael Lehning, is exploring mass and momentum fluxes during drifting snow events, pursuing an improved understanding of the link between snow cover erosion and depositsnow events, pursuing an improved understanding of the link between snow cover erosion and depositsnow cover erosion and deposition.
«Drifting and blowing snow is one of the biggest unknowns in assessing the current mass of snow and ice in Antarctica.
In terms of applications, accurately representing drifting snow in meteorological models is a key aspect of precisely assessing the mass balances of snow - covered regions — it's critical for predicting snow - depth variations, avalanche danger and even forecasting drifting snow.
This makes it possible to locate the person or persons among the mass of snow.
Will Clements, an ecotoxicologist at Colorado State University in Fort Collins, noted that warming in the Rocky Mountains is expected to reduce the mass of lying snow, thus decreasing summer run - off.
A person saved from a snow mass within 15 minutes has a 90 per cent chance of survival.
Consistent with observed changes in surface temperature, there has been an almost worldwide reduction in glacier and small ice cap (not including Antarctica and Greenland) mass and extent in the 20th century; snow cover has decreased in many regions of the Northern Hemisphere; sea ice extents have decreased in the Arctic, particularly in spring and summer (Chapter 4); the oceans are warming; and sea level is rising (Chapter 5).
This new finding is important because it's one of the first exoplanets in this mass range that lies beyond the «snow line» — the distance during formation of a planetary system beyond which ice can form from water, ammonia, and methane.
Additionally, Kepler has also reported a large population of relatively low mass planets, inside the snow line.
In terms of physics, the variables that matter when it comes to modeling the dynamics of a downhill skier are numerous: the mass of the athlete, her velocity, the radius of a turn, snow temperature, air temperature, course condition, the mechanical characteristics of the equipment, visibility, and the mental / physical state of the athlete.
It subverts how shallow is the aim of the district youth to reach only for celebrity and how the games are used by the base Snow to manipulate the masses by using the games as a distraction from their miserable lives.
Despite the inspiration that Katniss provided the unhappy masses of Panem by challenging their despotic ruler, President Snow (Donald Sutherland, «Pride and Prejudice»), an out and out rebellion is smoldering.
This installment begins with Katniss and Peeta on a victory tour to the starving masses, trotted out as living symbols of everything they hate by cold President Snow (Donald Sutherland).
But what used to be a narrative underpinning — the totalitarian corruption from which bread and circuses are meant to divert attention — has become superscript this time, with President Snow (Donald Sutherland) so deeply concerned about Katniss» capacity to incite an uprising amongst the wretched, increasingly angry masses that his usual handling tactic of blackmail swiftly escalates to murder plans.
Katniss Everdeen, whose defiance of the dictatorial President Snow has ignited the masses across all the impoverished districts, has become the symbol of the rebellion.
She brushed the snow from her sleeve only to find that it was not snow at all, but the ash of mass cremation.
Serve small portions to children explaining that the blue is the icy center of a glacier (a mass of ice formed by compacted snow) and the white on top is snow with silt (fine bits of sand and clay) in it.
Ever dreamt of getting on a cable car and letting it take you at the top of a snow - covered mountain, looking out at acres of pure white serenity, jumping down into the fluffy white mass and just letting go with the wind in your hair and not a care in the world?
An easy level may just be a single mass of land, but move up a difficulty, and you'll encounter floating islands, water, snow, and gosh, who knows what else.
Also mentioned in the NASA release is the work of Kaitlin Keegan, a doctoral student at Dartmouth College whose focus is «firn,» the newly deposited layers of snow cloaking the two - mile - thick ice sheet that will, over time, become the next dense layers in the great frozen mass.
With endangered species dangers, and a shrinking snow - cap water supply due to climate change, legislators will have to determine not just how to get water to the masses this year, but also how to transition and wean current users off into new sectors of the economy for the long term, as some job sectors dry up.
Other pages display maps of individual glaciers, with white regions indicating the «accumulation zone,» where snow falls and adds to the mass, and gray stippled areas showing the «ablation zone,» where melting eats away at the ice.
I understand it is because in the last few years the temperature of the Earth has actually cooled so, rather than lose the momentum they had gained to make political inroads to underwrite global measures to control societies» behaviors when it comes to things like use of fossil fuels, proponents decided to cut their losses and change the term so they wouldn't be obviously wrong to the masses as it snowed on various global warming rallies.
The NASA icesat & glaciology study that showed Antarctic continental ice mass increasing with declining snow fall for decades, and melt area limited to ~ 2 % of coastal Antarctica.
Snow cover can keep heat from escaping from the land, allowing the formation of cold air masses and limiting frost's penetration into the ground.
The most recent ice data, 10 June 2013, from a SAMS ice mass balance buoy installed in the fast ice in Inglefieldbukta (N 77 ° 54», E 18 ° 17») reported an ice thickness of about 88 cm and snow depth 20 cm.
As I understand it, the GRACE results from NASA measure differences in gravitational pull to determine the mass of ice while the Zwally study (also NASA run) measures the height of the ice / snow cover, estimates how much of that height is ice vs snow, and then computes the resulting ice mass.
Advances in glacier ice flow mapping using repeat satellite images, and later using interferometric synthetic aperture radar SAR methods, facilitated the mass budget approach, although this still requires an estimate of snow input and a cross-section of the glacier as it flows out from the continent and becomes floating ice.
As long as an ice sheet accumulates the same mass of snow as it loses to the sea, it remains stable.
Over thousands of years, the layers of snow pile up into thick masses of ice, growing thicker and denser as the weight of new snow and ice layers compresses the older layers.
Besides these thousands of thermometer readings from weather stations around the world, there are many other clear indicators of global warming such as rising ocean temperatures, sea level, and atmospheric humidity, and declining snow cover, glacier mass, and sea ice.
A glacier's mass is the net result of seasonal snow accumulation and seasonal ice loss.
Annual net balance on eight North Cascades glaciers during the 1984 - 1994 period has been determined by measurement, of total mass loss from firn and ice melt and, of residual snow depth at the end of the summer season.
This mixing of air masses also favors more storms and snow in the mid-latitudes.
Snow water equivalent - The equivalent volume / mass of water that would be produced if a particular body of snow or ice was melSnow water equivalent - The equivalent volume / mass of water that would be produced if a particular body of snow or ice was melsnow or ice was melted.
Accounting for the considerable disagreement among satellite - era observational datasets on the distribution of snow water equivalent, CanESM2 has too much springtime snow cover over the Canadian land mass, reflecting a broader Northern Hemisphere positive bias.
AGW climate scientists seem to ignore that while the earth's surface may be warming, our atmosphere above 10,000 ft. above MSL is a refrigerator that can take water vapor scavenged from the vast oceans on earth (which are also a formidable heat sink), lift it to cold zones in the atmosphere by convective physical processes, chill it (removing vast amounts of heat from the atmosphere) or freeze it, (removing even more vast amounts of heat from the atmosphere) drop it on land and oceans as rain, sleet or snow, moisturizing and cooling the soil, cooling the oceans and building polar ice caps and even more importantly, increasing the albedo of the earth, with a critical negative feedback determining how much of the sun's energy is reflected back into space, changing the moment of inertia of the earth by removing water mass from equatorial latitudes and transporting this water vapor mass to the poles, reducing the earth's spin axis moment of inertia and speeding up its spin rate, etc..
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