Sentences with phrase «future ice loss»

If sea ice cover was 50 % less 5,000 years ago and polar bears were very much alive and well, it is hard to see how claims of their extinction are credible from future ice loss.
I have followed ice news closely over the last 3 years and I am worried about future ice loss.
This movement is important for understanding current ice loss on the continent, and predicting future ice loss
Kuhn, from Germany's Alfred Wegener Institute, added, «This gives confidence in the predictions of the current generation of ice sheet models which are used to forecast future ice loss from Antarctica and resulting sea - level rise.»
As models improved, the Fifth Assessment Report, released in 2013, was able to provide numerical estimates of future ice loss but still based on the informal judgment of a limited number of participants.
But DeConto says that Hindmarsh's work predicts future ice loss based on what's happened so far, and doesn't take into account processes like ice surface melt that haven't kicked in yet.
This gives confidence in the predictions of the current generation of ice - sheet models which are used to forecast future ice loss from Antarctica and resulting sea - level rise.»

Not exact matches

However, a number of studies have indicated that climate models underestimate the loss of Arctic sea ice, which is why the models might not be the most suitable tools to quantify the future evolution of the ice cover.
After two decades of rapid ice loss, concerns are arising over how much more ice will be lost to the ocean in the future.
They then used the satellite record of Arctic sea ice extent to calculate the rates of sea ice loss and then projected those rates into the future, to estimate how much more the sea ice cover may shrink in approximately three polar bear generations, or 35 years.
Glaciologists worldwide use these and other maps in modeling the rate of ice loss in Greenland and projecting future losses.
The next step is to use estimates of future sea ice loss to make predictions of how further melting could influence summer rainfall in Europe in the years to come.
The researchers warn, however, that the future evolution of the AMO remains uncertain, with many factors potentially affecting how it interacts with atmospheric circulation patterns, such as Arctic sea ice loss, changes in solar radiation, volcanic eruptions and concentrations of greenhouse gases in the atmosphere.
Arctic sea ice loss of the magnitude expected in the next few decades could impact California's rainfall and exacerbate future droughts, according to new research led by Lawrence Livermore National Laboratory (LLNL) scientists.
'' [S] ea - ice loss of the magnitude expected in the next decades could substantially impact California's precipitation, thus highlighting another mechanism by which human - caused climate change could exacerbate future California droughts,» the study says.
Dr Ian Joughin at the University of Washington, author of a recent study simulating future Antarctic ice sheet losses added: «This study does a nice job of revealing the strong thinning along the Amundsen Coast, which is consistent with theory and models indicating this region is in the early stages of collapse.»
And if ice loss continues to accelerate in the warming Arctic, this effect may only become more pronounced in the future.
The results highlight how the interaction between ocean conditions and the bedrock beneath a glacier can influence the frozen mass, helping scientists better predict future Antarctica ice loss and global sea level rise.
Here is the title: «Future loss of Arctic sea - ice cover could drive a substantial decrease in California's rainfall ``.
Computational models that simulate the climate such as CAM5, which is the atmosphere component of the Community Earth System Model used in the Intergovernmental Panel on Climate Change 5th Assessment, are used to predict future climate changes, such as the Arctic sea ice loss.
This report describes simulations of future sea - ice extent using the NCAR CCSM3, which point to the possible complete loss of sea - ice at the end of the melt season as soon as 2040.
Gladstone et al. (2012) also investigated the future of PIG, and they too found ongoing ice mass loss to be likely under a «business as usual scenario» (IPCC), with full collapse of the main trunk of PIG during the 22nd century still a possibility.
Joughin et al. (2010) applied a numerical ice sheet model to predicting the future of PIG, their model suggested ongoing loss of ice mass from PIG, with a maximum rate of global sea level rise of 2.7 cm per century.
Judah Cohen, a climate forecaster at Atmospheric and Environmental Research in Massachusetts, who issues seasonal snowfall forecasts several months in advance for his company's clients, said the relationship between sea ice loss and the Arctic Oscillation is a key area for future research to focus on.
By my logic I'd apply the precautionary principle rather strongly if there was even a small chance of major effects such as near future sea ice loss...
After finishing my post on the inevitability of substantial long - term sea - level rise from Antarctic ice loss, I sent this question to Curt Stager, a paleoclimatologist and author of «Deep Future,» Kim Stanley Robinson, the novelist focused on «cli fi» before that term was conceived, and the astrobiologist David Grinspoon:
The report itself states that this ice loss is due to a recent acceleration of flow, and that in 2005 it was already higher, and that in future the numbers could be several times higher — or they could be lower.
This report describes simulations of future sea - ice extent using the NCAR CCSM3, which point to the possible complete loss of sea - ice at the end of the melt season as soon as 2040.
That seems questionable, as is the suggestion that some 50 % of future SLR could come from ice mass loss from the East Antarctic Ice Sheice mass loss from the East Antarctic Ice SheIce Sheet.
Moreover, recent studies suggest that ice sheet loss is accelerating and that future dynamics and instability could contribute significantly to sea level rise this century.
The available record (Fig. 2) is too brief to provide an indication of the shape of future ice mass loss, but the data will become extremely useful as the record lengthens.
While this is unlikely for the foreseeable future, even a partial loss of these huge ice masses could have a significant effect on coastal areas.
The graph shows IPCC model runs projecting arctic sea ice loss into the future.
Future loss of Arctic sea - ice cover could drive a substantial decrease in California's rainfall... — coauthored by Benjamin D. Santer
The latest published research suggests that «ice shelves may have an important role in stabilizing the ice sheet in Antarctica, and imply that the future loss of the largest ice shelves in the Antarctic could eventually cause accelerated and dramatic sea level rise,» Rapley said.
Since current ice melt data could indicate variable climate trends and aren't necessarily part of an accelerating trend, the study warned that predictions of future sea - level rise should not be based on measurements of glacial loss» Daily Mail.
Future forecasts from the CESM DP indicate that we should expect a pause in decadal Atlantic winter sea ice loss over the next 5 to 10 years.
The largest uncertainty in the future radiative forcing caused by sea - ice loss is related to how clouds in the Arctic will change.
Scientists embarked on a 6 - month expedition in the Arctic Ocean to study the thinning sea ice cover, improve our understanding of sea ice loss effects, and help predict future changes.
«I think it's naive and presumptuous,» Taylor said, referring to a recent report by the U.S. government warning that computer models predict a dire future for the bears due to projected ice loss...
Furthermore, significant warming during the satellite sea surface temperature record (1982 — 2009) is mainly limited to the summer months... we speculate that Bering Sea primary productivity is likely to rise under conditions of future warming and sea ice loss
Our results stress the importance of considering loss of sea ice thickness in future climate change assessments.
However, there remains uncertainty in the rate of sea ice loss, with the models that most accurately project historical sea ice trends currently suggesting nearly ice - free conditions sometime between 2021 and 2043 (median 2035).12 Uncertainty across all models stems from a combination of large differences in projections among different climate models, natural climate variability, and uncertainty about future rates of fossil fuel emissions.
Develop community - relevant scenarios of sea ice loss, permafrost degradation, coastal erosion, and other environmental change that will affect communities into the future.
Regardless of when icefree conditions are actually reached, it is clear that rapid Arctic sea ice loss is already underway and will continue for the foreseeable future.
Judah Cohen, a climate forecaster at Atmospheric and Environmental Research in Massachusetts, who issues seasonal snowfall forecasts several months in advance for his company's clients, said the relationship between sea ice loss and the Arctic Oscillation is a key area for future research to focus on.
Projections from climate models suggest that ice loss will continue in the future, with a possibility of September ice - free conditions later this century (e.g., Stroeve et al., 2012b; Massonnet et al., 2012).
The researchers also examined 92 recent scientific papers that addressed the evidence for sea ice loss and its impact on future polar bear populations.
Observing - network design studies, focused on the issue of abrupt sea ice loss, can be used to inform future observing needs.
That paper, which was not peer - reviewed, argued that because polar bear numbers have remained relatively stable despite faster - than - expected sea ice loss over the past decade, scientists» predictions of future population declines are flawed.
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