Sentences with phrase «study ice and water»

Not exact matches

Reduced stress: In a study on free radicals, 10 healthy subjects swam regularly in ice - cold water and showed adaptation to oxidative stress and hardening (an increased tolerance to stress).

Researchers at the Rensselaer Polytechnic Institute's Darrin Freshwater Institute in Bolton Landing have been studying the impact of water temperate and lake ice for several years, said Sandra Nierzicki - Bauer, executive director.

But a new study from researchers at the University of Copenhagen reinforces the consensus view that the glaciers are made of water ice — and a lot of it.

The study notes that narrowing down that percent range requires particle accelerator experiments on water ice to more accurately gauge the number of chemical reactions that result per unit of energy deposited by cosmic rays and solar energetic particles.

The new study «demonstrates that climate change can remobilize POPs stored in water, snow, ice and presumably soils — and that this process is already occurring in the Arctic region,» he wrote in an essay accompanying the new study.

«What is most likely the case is that the parent body [of this family] was water - ice - rich, was broken up, and now the surface of its largest fragment, Themis, has been impact - excavated, revealing the ice that was once deep in a larger object,» says Britney Schmidt of UCLA, who was not affiliated with Campins's study.

They make the journey to Baikal because the lake's combination of storm - free waters, and — in the winter — a 1 - metre - thick ice platform, provide ideal conditions for studying the icy crystals below.

Overland recently co-authored a study predicting an ice - free Arctic summer in the first half of this century and said he will soon be releasing additional data projecting that an area 100 miles north of Alaska will witness open water five months out of the year by 2030, as opposed to the current two months.

The WISSARD team will study processes at the interface of ice and water that affect the movement.

«I was very happy to see this new work by Kite and Rubin that brings to the fore a process that had escaped notice: the pumping of water in and out of the deep fractures of the south polar ice shell by tidal action,» said Carolyn Porco, head of Cassini's imaging science team and a leading scientist in the study of Enceladus.

The new ice - scarp studies confirm indications from fresh - crater and neutron - spectrometer observations that a layer rich in water ice begins within just one or two yards of the surface in some areas.

«Today, the Pine Island and Thwaites glaciers are grounded in a very precarious position, and major retreat may already be happening, caused primarily by warm waters melting from below the ice shelves that jut out from each glacier into the sea,» said Matthew Wise of Cambridge's Scott Polar Research Institute, and the study's first author.

However, during winter field surveys over the last decade, lake ice has typically only grown to 1.5 meters (5 feet) thick, and has been as thin as 1.2 meters (4 feet),» said Christopher Arp, research assistant professor at the University of Alaska Fairbanks (UAF) Water and Environmental Research Center and lead author of the new study accepted for publication in Geophysical Research Letters, a journal of the American Geophysical Union.

The drought that is devastating California and much of the West has dried the region so much that 240 gigatons worth of surface and groundwater have been lost, roughly the equivalent to a 3.9 - inch layer of water over the entire West, or the annual loss of mass from the Greenland Ice Sheet, according to the study.

The study fuels a growing concern among scientists about the factors affecting the Antarctic ice sheet — namely, that warm ocean waters are helping to melt glaciers and drive greater levels of ice loss, particularly in West Antarctica.

The Dawn probe has previously detected salts, ammonia - rich clays and water ice on Ceres, which together indicate hydrothermal activity, says study coauthor Carol Raymond, a planetary scientist

The Chinese icebreaker Xuelong has been studying multiyear sea ice in the Arctic Ocean, and the U.S. Coast Guard is sounding waters to determine the extent of the Alaskan continental shelf.

Retreating sea ice in the Iceland and Greenland Seas may be changing the circulation of warm and cold water in the Atlantic Ocean, and could ultimately impact the climate in Europe, says a new study by an atmospheric physicist from the University of Toronto Mississauga (UTM) and his colleagues in Great Britain, Norway and the United States.

The researchers studied water samples taken during cruises by Chinese ice breaker XueLong, (meaning «snow dragon») in summer 2008 and 2010 from the upper ocean of the Arctic's marginal seas to the basins as far north as 88 degrees latitude, just below the North Pole, as well as data from three other cruises.

A new study led by the University of Texas Institute for Geophysics has found that wind over the ocean off the coast of East Antarctica causes warm, deep waters to upwell, circulate under Totten Ice Shelf, and melt the fringes of the East Antarctic ice sheet from belIce Shelf, and melt the fringes of the East Antarctic ice sheet from belice sheet from below.

By combining satellite images of the ice sheet and wind stress data from observations and computer modeling, Greene and his collaborators were able to study the chain of events that brings the warm water to Totten.

Solving the Puzzle The simple assumption was that any pockets of warm, liquid water would drain downward through the ice and refreeze, but Schmidt had read enough studies to know that would not happen on Europa — the ice below was so thick it was virtually impermeable.

Sasha Carter, a postdoctoral researcher at the Scripps Institution of Oceanography who studies the Antarctic ice sheet, said the new research «shows that subglacial water transport and the refreezing of that meltwater is reshaping the interior of East Antarctica at a scale previously not believed to be possible.»

First of all, less sea ice is forming in the region, and secondly, oceanographic recordings from the continental shelf break confirm that the warm water masses are already moving closer and closer to the ice shelf in pulses,» says Dr Hartmut Hellmer, an oceanographer at the AWI and first author of the study.

In the study, the researchers use an ice - ocean model created in Bremerhaven to decode the oceanographic and physical processes that could lead to an irreversible inflow of warm water under the ice shelf — a development that has already been observed in the Amundsen Sea.

The study marks the first time that human influence on the climate has been demonstrated in the water cycle, and outside the bounds of typical physical responses such as warming deep ocean and sea surface temperatures or diminishing sea ice and snow cover extent.

Ocean waters melting the undersides of Antarctic ice shelves, not icebergs calving into the sea, are responsible for most of the continent's ice loss, a study by UC Irvine and others has found.

«A lot of research has shown that intrusions of warm water are responsible for melting ice along the polar coastlines and that these intrusions are steered by the shape of the seafloor,» said Jamin Greenbaum, an oceanography and geology expert at the University of Texas, Austin, who was not involved with the new study, in an email.

A new study by scientists at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, and the University of California, Irvine, shows that while ice sheets and glaciers continue to melt, changes in weather and climate over the past decade have caused Earth's continents to soak up and store an extra 3.2 trillion tons of water in soils, lakes and underground aquifers, temporarily slowing the rate of sea level rise by about 20 percent.

Few studies have described the distribution and behaviour of krill in the coastal waters of the Antarctic Peninsula in autumn [3], [4], when adult krill are believed to migrate inshore to overwinter under the shelter of sea ice [5], [6].

Dr. Jerison studies systems governed by simple rules that nonetheless exhibit complex behaviors, such as phase transitions — for instance, when a slight temperature increase causes ice to melt into liquid water; and threshold phenomena — for instance, when a small extra deposit of soil causes a stable slope to topple over into a landslide.

Located in North Cape, Prince Edward Island on Canada's east coast, we're ideally situated for wind study with 300 degree exposure to the water, average wind speeds of 8.2 m / s at 50 m, and numerous icing events per year.

He added that studies showed that melt water had been penetrating the glaciers and was acting as a lubricant between the ice and the base rock.

Thousands of studies conducted by researchers around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; diminishing snow cover; shrinking sea ice; rising sea levels; ocean acidification; and increasing atmospheric water vapor.

Recipient of several honors from the Humboldt Foundation and elsewhere, Xantheas conducts theory - based work on the structure and energetics of aqueous clusters and the development of interaction potentials to study the macroscopic properties of water and ice.

The strong reflection seen on Mercury is too large to be caused by a momentary «glint» off a crater wall, and when studied in more detail, shares the characteristics of reflections from the water ice seen on Mars and the icy moons of Jupiter.

What's Next: The team, again integrating experiments and theory, are studying the temperature range over which the two - layer ice is stable and what happens when more water is added on top of the two - layer ice.

For the current project outlined in the Nature article, research scientists drilled through the ice, down to the lake and took samples of the water for further study.

As we know from studying Earth's climate, the mixture of land, water, and ice coating a planet has an enormous impact on its temperature.

«Recent spacecraft studies of Comet 67P / Churyumov - Gerasimenko with Rosetta and of [asteroid] Ceres... provide evidence that complex organic molecules and even amino acids are ubiquitous on small bodies in the solar system and that water ice is abundant in the asteroid belt.»

This study compares aragonite saturation states in open pelagic waters, shallow shelf waters, and ice - bound high - latitude waters to delineate rates of change and causes of variation in carbonate mineral saturation states.

Studies have found evidence that this Red Planet once had plenty of water — and that surface moisture or ice might still remain.

One study had fifty men and women put their arms into buckets filled with ice - cold water.

Density of Water, Ice and Snow Experiment has detailed instructions to get you up and running with this study of the three stages of wWater, Ice and Snow Experiment has detailed instructions to get you up and running with this study of the three stages of waterwater.

He gained widest fame for his warning, derived from studies of past climate fluctuations, that great flows of fresh water from melting ice sheets could disrupt Atlantic Ocean currents and cause regional cooling (such an idea was caricatured in the Hollywood disaster film «The Day After Tomorrow «-RRB-.

The scientists, with National Science Foundation backing, are studying dissolved organic matter in water within glaciers and in ice - covered water bodies.

By coincidence, Behar's death came just three days before publication of the latest study on which he is a co-author — a detailed analysis of the melt - water rivers and moulin drains across a 2,000 - square - mile portion of the vast Greenland ice sheet.

Morison has been studying Arctic sea ice and waters for decades and runs an annual expedition to the North Pole to drop instruments through the ice into the ocean below (the one I got to go on in 2003).

According to a study commissioned by Canada's National Energy Board and based on 20 years of Beaufort Sea data, three of the most widely - used oil spill containment methods — burning spilled oil in - situ, deploying booms and skimmers, and aerial application of dispersants — would be impossible due to bad weather or sea ice 20 - 84 percent of the brief, June - to - November open - water season.

Now, two new studies conducted by researchers at NASA and the University of California, Irvine, have revealed that glaciers in West Antarctica are retreating at an unprecedented rate due to warm water circulating beneath the ice shelf.