Sentences with phrase «ice loss appear»

Two thirds of ice loss appear to be from underneath, according to recent research.

Sea ice loss appears to affect how the Chukchi belugas dove for their food.

Not exact matches

The findings, published Monday in Nature Geoscience, reveal that the 1997 - 98 El Niño led to a substantial loss of mass from the bottom of the ice shelves in West Antarctica's Amundsen sea sector, even as the shelves appeared to grow about ten inches taller from additional snowfall.

The comet appears to have undergone visible changes, including the changes in the size and number of surface features such as smooth patches, pits, and craters, and the loss of ice vaporized by the Sun or blasted off its surface by the Solar Wind into its tail as well as failing back on the object like snow, so that it appears to shrink, on average, by 25 to 50 centimeters (9.2 to 19.7 inches) with each orbit around the Sun.

And given that much of this is related to the loss of polar ice, a changing climate would appear to be at least partly — although perhaps not wholly — responsible.

Considering the fact that the home appears to be completely inaccessible due to ice, would this be considered a covered loss?

This appears to show the extra snow has done little or nothing to compensate for the loss sea ice as far effective albedo is concerned.

Global climate model projections (in CMIP3 at least) appear to underestimate sea ice extent losses with respect to observations, though this is not universally true for all models and some of them actually have ensemble spreads that are compatible with PIOMAS ice volume estimates and satellite observations of sea ice extent.

Over all, the loss of the West Antarctic ice from warming is appearing «more likely a definite thing to worry about on a thousand - year time scale but not a hundred years,» Dr. Pollard said.

No kilometers of ice shaved off to cause rebound, although there does appear to have been a fair amount of sea ice loss earlier in the twentieth century, principally prior to 1975.

The storm sped up the loss of the thin ice that appears to have been already on the verge of melting completely.

Atmospheric warming does not appear to contribute to ice mass loss from either the EAIS or WAIS, other than the «Peninsula».

However, the impact of strong individual storms may be different — the 2012 event appears to have temporarily boosted ice loss by breaking up the ice cover, with the wave action tending to mix warmer waters from below to hasten melt.

It appears that as the ice gets thinner and more mobile, that very mobility is a positive feedback to ice loss.

«And if you take a close look at the Arctic data, it appears the decline stopped somewhere around 2005/2006, which means we've almost had ten years without any net loss in Arctic ice,» he told CNSNews.com.

Polyak et al. (2010) looked at Arctic sea ice changes throughout geologic history and noted that the current rate of loss appears to be more rapid than natural variability can account for in the historical record.

With regard to Dr Tobis» observation that: «there's a something on the order of a 10 % chance that we may have already passed the 2 C mark by any reasonable definition» the evidence of a study of Albedo Loss published last January appears to put the issue beyond doubt: «Observational determination of albedo decrease caused by vanishing Arctic sea ice» (Kristina Pistone, Ian Eisenman, and V. Ramanathan)

There are, however, caveats: (1) multidecadal fluctuations in Arctic — subarctic climate and sea ice appear most pronounced in the Atlantic sector, such that the pan-Arctic signal may be substantially smaller [e.g., Polyakov et al., 2003; Mahajan et al., 2011]; (2) the sea - ice records synthesized here represent primarily the cold season (winter — spring), whereas the satellite record clearly shows losses primarily in summer, suggesting that other processes and feedback are important; (3) observations show that while recent sea - ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice appear most pronounced in the Atlantic sector, such that the pan-Arctic signal may be substantially smaller [e.g., Polyakov et al., 2003; Mahajan et al., 2011]; (2) the sea - ice records synthesized here represent primarily the cold season (winter — spring), whereas the satellite record clearly shows losses primarily in summer, suggesting that other processes and feedback are important; (3) observations show that while recent sea - ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice records synthesized here represent primarily the cold season (winter — spring), whereas the satellite record clearly shows losses primarily in summer, suggesting that other processes and feedback are important; (3) observations show that while recent sea - ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 2009].

Your thesis appears to be that a net positive sea ice feedback should result in runaway loss of ice, a fundamental misunderstanding of the use of feedbacks in climate science.

However, in the first few days of August, it now appears the cyclone is fostering ice loss through mechanical ice breakup and enhanced melt.

If the mechanism involves the persistence of Arctic summertime ice, how will this be affected by anthropogenic temperature changes that appear to be driving the Arctic in the direction of increasing loss of summer ice?

Cornell and Rutgers researchers report in the March issue of Oceanography that the severe loss of summertime Arctic sea ice - attributed to greenhouse warming - appears to enhance Northern Hemisphere jet stream meandering, intensify Arctic air mass invasions toward middle latitudes, and increase the frequency of atmospheric blocking events like the one that steered Hurricane Sandy west into the densely populated New York City area.

The researchers assert that the record - breaking sea ice loss from summer 2012, combined with the unusual atmospheric phenomena observed in late October, appear to be linked to global warming.

«Much of our confidence stems from the fact that our model does well at predicting slow changes in ocean heat transport and sea surface temperature in the sub-polar North Atlantic, and these appear to impact the rate of sea ice loss.

Early June appeared favorable for September sea ice loss given the June sea ice extent and the dipole wind pattern.

This August pattern appears unfavorable to sea ice loss.

Even as Rignot and colleagues suggest that loss of the Amundsen Sea embayment glaciers appears inevitable, it remains extremely difficult to predict exactly how this ice loss will unfold and how long it will take.

One can also add ice into the mix: global ice mass loss has accelerated in the last decade, despite what appears to be a surface temp flattening.

«Ice sheets now appear to be contributing modestly to sea level rise because warming has increased mass loss from coastal areas more than warming has increased mass gain from enhanced snowfall in cold central regions,» the report by a team led by Professor Richard Alley of Pennsylvania State University in the US says.

Mike says: interesting to read this and reflect on the treatment (by the scientific community) of the outlier scientists who appear to have been more accurate on important questions like loss of Arctic sea ice.

Carter et al. [1] do not appear to be aware that temperature buffering effects due to high evaporative rates in the tropics and tropical islands, loss of ice albedo in the poles, and other factors, result in that global temperature increases rise rapidly with higher latitude [4],

It doesn't appear to do it substantially actually, so we would still be looking, even with the most aggressive mitigation scenarios, at quite a significant loss of Arctic sea ice by the end of the century.

There has been no reduction in the surface area of grounded ice in the Greenland and Antarctic Ice Sheets, although the mass appears to have declined recently, at least in Greenland, if we can believe the GRACE results, which show more mass loss than earlier satellite altimetry measurements by Johannessen / Zwally (GRL) and Davis / Wingham (Antarctica), which showed net growth over the period 1993 - 20ice in the Greenland and Antarctic Ice Sheets, although the mass appears to have declined recently, at least in Greenland, if we can believe the GRACE results, which show more mass loss than earlier satellite altimetry measurements by Johannessen / Zwally (GRL) and Davis / Wingham (Antarctica), which showed net growth over the period 1993 - 20Ice Sheets, although the mass appears to have declined recently, at least in Greenland, if we can believe the GRACE results, which show more mass loss than earlier satellite altimetry measurements by Johannessen / Zwally (GRL) and Davis / Wingham (Antarctica), which showed net growth over the period 1993 - 2003.