Sentences with phrase «ice conditions at»

With current ice conditions at 5.3 million square kilometers as of 27 August 2010 (source: National Snow and Ice Data Center, NSIDC) and two or three more weeks to go in the melt season, it is increasingly likely that the September ice extent will fall below the 2009 minimum.
I doubt that the photograph was taken on the date of the famous North Pole surfacing given the pack ice conditions at the time.
There was no discussion in the paper of ringed seal birth lairs, or sea ice conditions at the time of the study, but several mentions about what might happen in the future to sea ice and potential consequences for polar bears.
September 2009 sea ice extent was driven by preexisting sea ice conditions at the end of spring, as well as variable wind patterns over the course of summer.
In years such as 2008, initial sea ice conditions at the end of spring may have more of an influence on a September arctic sea ice extent Outlook than a forecast of summer wind fields, which dominated the ice situation in 2007.

Not exact matches

My feelings on this go two ways: yes, I agree — dessert is not a necessity and we are conditioned to want sweet at certain times regardless of actual hunger but also, we chose to have a small amount of fruit and nut butter — a huge departure from ice cream.
In order to make this frozen yoghurt you need an ice cream maker, which can easily be purchased at an appliance store or in good condition off Ebay or Trade Me.
Travel with an NHL team and you hear grumblings about things as mundane as the soap in the visitors» dressing room, but the griping these days about the condition of the chippy and rutty ice at many arenas is genuine.
When weather conditions allow (an average temperature of 20 degrees Fahrenheit or colder for 5 consecutive days, 5 - 6 inches of ground frost), park district staff will begin flooding the ice rink at Sunset Woods Park.
«Our research shows for the first time that classical systems such as artificial spin ice can be designed to demonstrate topological ordered phases, which previously have been found only in quantum conditions,» said Los Alamos National Laboratory physicist Cristiano Nisoli, leader of the theoretical group that collaborated with an experimental group at the University of Illinois at Urbana - Champaign, led by Peter Schiffer (now at Yale University).
A vacuum chamber at NASA's Ames Research Center exposes ices found on meteors to space - like conditions.
«These objects may hold ice and preserve a record of conditions at formation between the orbits of Mars and Jupiter,» he told New Scientist.
The case of this one polar bear and the failure of her offspring to survive in the new environmental conditions of the Arctic doesn't bode well for the future of the species, especially as Arctic sea ice continues to retreat at a record pace.
Laboratory studies suggest that explosive development of ice crystals can occur in these conditions, at temperatures between -4 and -8 degrees Celsius, and this «rime - splintering» mechanism is often invoked to explain past observations of the rapid development of large numbers of ice crystals in cumuli.
AT A very reasonable price of # 2.50 for 750 grams, the Ice Clear that Barry Cash spotted in his local Co-operative store looked just the thing to have ready in case of a return to wintry conditions.
The team's next steps include looking more closely at specific ocean swell events and sea ice conditions during known ice shelf collapses and large iceberg calving events.
Year - round ice - free conditions across the surface of the Arctic Ocean could explain why Earth was substantially warmer during the Pliocene Epoch than it is today, despite similar concentrations of carbon dioxide in the atmosphere, according to new research carried out at the University of Colorado Boulder.
The scientists stressed the need for more study of the conditions at the bottom of the ice sheet because of a proposal published in the Bulletin of the Atomic Scientists in 1973 to use the ice sheet as a dumping ground for radioactive waste.
«The conditions on Ceres are right for accumulating deposits of water ice,» said Norbert Schorghofer, a Dawn guest investigator at the University of Hawaii at Manoa.
«Modelers need an estimate of the heat flow, and they need to know something about the geological conditions at the bottom of the ice sheet in order to estimate drag.
After Levy and colleagues noted visible effects of ground ice retreat in Garwood Valley, they began to monitor the valley, combining time - lapse photography and weather - station data at 15 - minute intervals to create a detailed view of the conditions under which the ice, a relict from the last ice age, is being lost.
If we compare the ice thickness map of the previous winter with that of 2012, we can see that the current ice conditions are similar to those of the spring of 2012 — in some places, the ice is even thinner,» Dr Marcel Nicolaus, sea ice physicist at AWI, said today at a press conference during the EGU General Assembly in Vienna.
«Populations in Europe appear to have contracted during ice ages whereas African populations have expanded at those times, suggesting that environmental conditions there were more favourable,» says Matthew Webster.
It allows scientists to measure a variety of ice behaviors at conditions that are applicable to both terrestrial glaciers and icy moon surfaces.
NSIDC will issue a formal announcement at the beginning of October with full analysis of the possible causes behind this year's ice conditions, particularly interesting aspects of the melt season, the set up going into the winter growth season ahead, and graphics comparing this year to the long - term record.
Scientists at the National Snow and Ice Data Center (NSIDC), University College London, University of New Hampshire and University of Washington analyzed 300 summer Arctic sea ice forecasts from 2008 to 2013 and found that forecasts are quite accurate when sea ice conditions are close to the downward trend that has been observed in Arctic sea ice for the last 30 yeaIce Data Center (NSIDC), University College London, University of New Hampshire and University of Washington analyzed 300 summer Arctic sea ice forecasts from 2008 to 2013 and found that forecasts are quite accurate when sea ice conditions are close to the downward trend that has been observed in Arctic sea ice for the last 30 yeaice forecasts from 2008 to 2013 and found that forecasts are quite accurate when sea ice conditions are close to the downward trend that has been observed in Arctic sea ice for the last 30 yeaice conditions are close to the downward trend that has been observed in Arctic sea ice for the last 30 yeaice for the last 30 years.
Europa has a global ocean locked away beneath a crust of ice; deep below, the moon's internal heat might create hospitable conditions, akin to hydrothermal vents at the bottom of the mid-Atlantic ridge and East Pacific Rise on Earth.
The melting occurred at just the conditions that theoretical calculations predict such ice would melt.
They're not the same at the end of the game as they are at the beginning, so the skip has to have a good understanding of how these ice condition [s] change and what, you know, which path you would take to curl more at the end of the game as opposed to beginning of the game and all sorts of things like that.
«This does not necessarily mean that a similar response would happen in the future with increasing CO2 levels, since the boundary conditions are different from the ice age,» added by Professor Gerrit Lohmann, leader of the Paleoclimate Dynamics group at the Alfred Wegener Institute.
Freezing conditions could become more likely: winter temperatures may even plummet to depths last seen at the end of the 17th century, a time known as the Little Ice Age.
«We have little data on the ocean and ice shelf conditions in this region,» says Fernando Paolo, a geophysicist at NASA's Jet Propulsion Laboratory in Pasadena, Calif..
«Our work provides experimental evidence for superionic ice and shows that these predictions were not due to artifacts in the simulations, but actually captured the extraordinary behavior of water at those conditions.
Among the many discoveries on matter at high pressure that garnered him the Nobel Prize in 1946, scientist Percy Bridgman discovered five different crystalline forms of water ice, ushering in more than 100 years of research into how ice behaves under extreme conditions.
In a paper published today in Nature Physics, a research team from Lawrence Livermore National Laboratory (LLNL), the University of California, Berkeley and the University of Rochester provides experimental evidence for superionic conduction in water ice at planetary interior conditions, verifying the 30 - year - old prediction.
Professor Poinar continues, «Mammoths were much better at adapting to new habitats than we first thought — we suspect that subgroups of mammoths evolved to deal with local conditions, but maintained genetic continuity by encountering and potentially interbreeding with each other where their two different habitats met, such as at the edge of glaciers and ice sheets.»
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.
The researchers suggest that such conditions would have made a difference of several degrees in summer temperatures at the polesenough, they think, to have allowed the Antarctic ice sheet to expand.
At its height between 1960 and 1980, Polyarka was staffed by more than fifty working scientists, engineers, and technicians focused on measurements of surface weather, snow depth, sea ice, and conditions in the upper atmosphere.
With the sun continuing to heat the ocean water at the tropical latitudes regardless of ice cap conditions up north, it would seem that the presence of an ice cap would result in a warmer ocean over the long term, with the converse also being true.
It is based on the misconception that the factor preferring isotopes is at the «precipitation / freeze» end of the process when it is actually at the evaporation end, i.e. not dependent on local conditions on the ice sheet.
But it wasn't until 1929 that William H. Barnes, working in Bragg the elder's lab at London's Royal Institution, showed that ice formed under natural conditions had a structure with the oxygens arranged in a planar hexagon and the hydrogens located between the oxygens.
«Probability density function,» a statistical representation of the likelihood of something occurring at any point in time, was used to examine cloud properties, including vertical motion, liquid and ice water content, and the conditions of cloud particle growth, including how ice crystals grow at the expense of liquid droplets.
«The big question is whether the ice sheet will react to these changing ocean conditions as rapidly as it did 14,000 years ago,» said lead author Dr Nick Golledge, a senior research fellow at Victoria's Antarctic Research Centre.
At supersaturated atmospheric conditions, bare and coated particles had a nearly equivalent predisposition for nucleating ice.
At 3.42 million square kilometres, it may still sound large, but this small extent of Arctic sea ice could have profound long - term consequences, and it follows a long trend of low sea ice conditions.
For example, if we have a snapshot measurement of the ice velocity, we can infer the value of our basal parameter, i.e. the parameter that represents conditions at the base of the ice.
However, the Antarctic Ice Sheet is a complex system with interactions between the ice and climate, the ocean, and conditions at the base of the ice sheIce Sheet is a complex system with interactions between the ice and climate, the ocean, and conditions at the base of the ice sheice and climate, the ocean, and conditions at the base of the ice sheice sheet.
The holy grail of Europa exploration would be to penetrate the ice sheet and actually get a look at conditions inside that liquid reservoir.
Methane hydrates are formed by bonding with water to make an ice - like substance in certain temperature / pressure conditions that can be found at shallow water depths in
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