Sentences with phrase «melting ice in the region»

They are going to study cosmic rays, assess polar microplastics and nano plastics and, on the 90th birthday of its loss, look for the remains of Umberto Nobile's lost dirigible, the Airship Italia, «taking advantage of the melting ice in the region for the first time in centuries.»

Not exact matches

Study researchers Hélène Seroussi and Erik Ivins of NASA's Jet Propulsion Laboratory built a model of all the known melting and freezing under the ice in the region.

Forming in the system's colder outer regions, where volatile compounds such as water and carbon dioxide freeze out, makes it possible that the planets incorporated those ices and carried them along to a warmer place where they could melt, evaporate, and become oceans and atmospheres.

Climate modelers do not include effects on land - based ice in these regions because they can not reduce them to equations, such as x amount of extra heat equals y amount of melting.

Higher precipitation levels in the region and melting ice would decouple the surface from the deeper water layers.

Should ice in Arctic regions, such as Greenland, melt again, the globe may face a similar situation, sending Europe into a colder age despite warming taking place elsewhere.

In comparison, it took the Jakobshavn Isbræ ice stream — a southwest Greenland region with a fast - moving glacier that has been a focal point of scientific examination of ice sheet melt — 150 years to retreat 35 kilometers, said Khan.

Satellite data show that, between 1979 and 2013, the summer ice - free season expanded by an average of 5 to 10 weeks in 12 Arctic regions, with sea ice forming later in the fall and melting earlier in the spring.

It's known that when ice sheets start to melt, cooling the air in that region, the winds over the Southern Ocean strengthen, Toggweiler says.

The ascending hydrothermal fluids probably trigger local melting in the ice layer of the polar region.

Scientists had previously considered the region's ground ice to be in equilibrium, meaning its seasonal melting and refreezing did not, over time, diminish the valley's overall mass of ground ice.

With Arctic ice melting at an accelerating rate, nations are looking to travel through a region that has been barren since James Cook mapped the Bering Strait in 1778.

A possible cause for the accelerated Arctic warming is the melting of the region's sea ice, which reduces the icy, bright area that can reflect sunlight back out into space, resulting in more solar radiation being absorbed by the dark Arctic waters.

Because ocean currents play a major role in transporting the planet's heat and carbon, the ECCO simulations are being used to understand the ocean's influence on global climate and the melting of ice in polar regions.

While the glaciers in this region seemed stable, it turns out warming ocean currents have been melting the underside of the ice.

«A lot of what we are seeing right now in the coastal regions is that warming ocean waters are melting Antarctica's glaciers and ice shelves, but this process may just be the beginning,» Shevenell said.

Continued warming in these regions will result in even more ice melt with the likelihood of catastrophic environmental consequences,» Yao noted.

Some scientists have argued that Earth's crust in northern portions of North America is still slowly springing upward in response to the melting of the ice sheet that smothered the region during the last ice age.

This remarkable correlation is supported by observations by other scientific teams who had already observed traces of glacier melting and retreat, as well as evidence of subsurface ice, in the former polar regions.

Relevant to this issue, there is currently a debate among paleoclimatologists with respect to the following condundrum: A dramatic recession of the more - than - 11,000 year old ice cap of Mt. Kilimanjaro in tropical East Africa is taking place despite any clear evidence that temperatures have exceeded the melting threshold (one explanation is that the changes are largely associated with a drying atmosphere in the region; the most recent evidence, however, seems to indicate that melting may indeed now be underway).

Climate change is pushing temperatures up most rapidly in the polar regions and left the extent of Arctic sea ice at 1.79 million square miles at the end of the summer melt season.

Focus of Study The long - term variation of the Earth's gravity field due to post-glacial rebound and present - day ice melting in the polar regions.

Collapsing ice shelves and melting sea ice leaves more open water in the Earth's polar regions (photo a in earlier figure).

In the long term, changes in sea level were of minor importance to rainfall patterns in north western Sumatra With the end of the last Ice Age came rising temperatures and melting polar ice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the worldIn the long term, changes in sea level were of minor importance to rainfall patterns in north western Sumatra With the end of the last Ice Age came rising temperatures and melting polar ice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the worldin sea level were of minor importance to rainfall patterns in north western Sumatra With the end of the last Ice Age came rising temperatures and melting polar ice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the worldin north western Sumatra With the end of the last Ice Age came rising temperatures and melting polar ice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the worlIce Age came rising temperatures and melting polar ice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the worlice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the worldin rainfall around Indonesia and many other regions of the world..

Because they depend on sea ice to hunt seals, the polar bear is considered threatened as global warming melts and thins ice in this region.

For dogs who live in regions with ice and snow in the winter, road salt and sidewalk ice - melt products can irritate the footpads.

When the Arctic sea ice goes the increase in water vapour in the Arctic region will accelerate the Greenland melt.

Some really interesting recent weather events in the High Arctic have shown me the reality of a warmer polar region, snow flakes do not melt in an ocean -1.5 C cold, and ice does not form when its -6 C outside.

This does not mean that the current ice melt pattern is an example of anything less then excessive heat content in the region.

It is possible the Arctic ice melt could also be related to ocean currents carrying highly saline water caused by the recent increased SSTs in the temperate oceans between 1985 and 2005 to the region.

Most glaciologists have assumed that temperature trends in that region are not big enough to matter in the way that they have mattered on the Antarctic Peninsula, where surface melting has led to ice shelf collapse.

This would seem to suggest that if the volume of ice melt is as great as suspected, that there had to be a greater salinity in the region that was mixing with the melt water to reduce the expanse and depth of the brackish region.

In many regions, changing precipitation or melting snow and ice are altering hydrological systems, affecting water resources in terms of quantity and quality (medium confidenceIn many regions, changing precipitation or melting snow and ice are altering hydrological systems, affecting water resources in terms of quantity and quality (medium confidencein terms of quantity and quality (medium confidence).

Relevant to this issue, there is currently a debate among paleoclimatologists with respect to the following condundrum: A dramatic recession of the more - than - 11,000 year old ice cap of Mt. Kilimanjaro in tropical East Africa is taking place despite any clear evidence that temperatures have exceeded the melting threshold (one explanation is that the changes are largely associated with a drying atmosphere in the region; the most recent evidence, however, seems to indicate that melting may indeed now be underway).

Between the spring of 2004 (above) and last spring (below), an expanding region of melting snow and ice in Greenland has unburied a research camp.

This thicker multiyear ice takes longer to melt back (both because of greater thickness and higher albedo than first - year ice) and so in conjunction with the weather it is responsible for more extensive ice in the late summer in this region.

Alarmed at the pace of change to our Earth caused by human - induced climate change, including accelerating melting and loss of ice from Greenland, the Himalayas and Antarctica, acidification of the world's oceans due to rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods, including glacial lakes outburst loods, in many regions and higher levels of sea - level rise than estimated just a few years ago, risks changing the face of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over,

So, the positive feedback between melt and velocities implies that more melt leads to higher velocities, which bring in more ice from cold regions to warm regions which increases the melt and hence the velocity etc, with as a final result a rapid loss of ice and hence an enhanced increased sea level.

Generally, in this region you may have several melt re-freeze cycles, with a blanket of new fallen snow with a reflectivity in the UV range of near 90 % versus something in the area of 50 % of ice within the first foot.

Of course, temperatures in the Churchill region have risen, and the ice extent in Hudson Bay is melting earlier and forming later (by about a month in each case) than 30 years ago.

The fate of sea ice in the Arctic Ocean is determined by a complicated mix of factors, including the pressure changes, with the biggest loss of old thick ice resulting more from a great «flush» of floes than melting, Dr. Rigor and many other scientists tracking the region say.

Howell points out that concentration of MYI in the region is well below the historical average and that it is likely the seasonal first - year ice will clear during the melt season.

Ice melting in mountainous regions not only affects river flows, it also affects sea level rise.

Scientists at the National Snow and Ice Data Center, in Boulder, Colorado measured the sea ice at the end of the 2012 summer period of melting and the measurements do not bode well for the extraordinary wildlife, ecology and cultures of the regiIce Data Center, in Boulder, Colorado measured the sea ice at the end of the 2012 summer period of melting and the measurements do not bode well for the extraordinary wildlife, ecology and cultures of the regiice at the end of the 2012 summer period of melting and the measurements do not bode well for the extraordinary wildlife, ecology and cultures of the region.

When ice melts it reveals darker Arctic Ocean water, which in turn absorbs more heat from the sun, further heating the region.

IUCN and academic partners are conducting research in the Arctic and Baltic regions to establish to what extent plastic particles accelerate ice melt in the Arctic Circle.

For example, conditions at the poles affect how much heat is retained by the earth because of the reflective properties of ice and snow, the world's ocean circulation depends on sinking in polar regions, and melting of the Antarctic and Greenland ice sheets could have drastic effects on sea level.

By melting sea ice, warming in the Arctic regions allows more sunlight to be absorbed by the ocean which leads to yet more warming.

«Our investigations show that uplift of the sea floor in this region, caused by the melting of the ice masses since the end of the last ice age, is probably the reason for the dissolution of methane hydrate.»

And science is emerging suggesting a link between the melting of Arctic sea ice on one hand and faster warming in the region and changes to the northern hemisphere jet stream on the other, explaining why some weather systems appear to get «stuck in place» — to often - devastating effect.