Antarctic Ice Sheet Current Events

Antarctic Ice Sheet Current Events, Antarctic Ice Sheet News Articles.
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Tidal motion influences Antarctic ice sheet
New research into the way the Antarctic ice sheet adds ice to the ocean reveals that tidal motion influences the flow of the one of the biggest ice streams draining the West Antarctic Ice Sheet. (2006-12-20)

Study validates East Antarctic ice sheet to remain stable even if western ice sheet melts
A new study from Indiana University-Purdue University Indianapolis validates that the central core of the East Antarctic ice sheet should remain stable even if the West Antarctic ice sheet melts. (2017-08-17)

Antarctic study identifies melting ice sheet's role in sea level rise
Loss of ice in Antarctica caused by a warming ocean could raise global sea levels by three metres, research suggests. (2016-02-03)

Lakes discovered beneath Greenland ice sheet
The study, published in Geophysical Research Letters, discovered two subglacial lakes 800 meters below the Greenland Ice Sheet. Subglacial lakes are likely to influence the flow of the ice sheet, impacting global sea level change. The discovery of the lakes in Greenland will also help researchers to understand how the ice will respond to changing environmental conditions. (2013-11-27)

West Antarctic Ice Sheet may be a smaller source of current sea-level rise
The West Antarctic Ice Sheet's contribution to global sea- level rise may be much slower today than it was in the past. New evidence also indicates that the ice sheet may not have been as large or as steady a source of sea-level rise as scientists thought. (2000-12-15)

Antarctic ice loss
Professor Jonathan Bamber at the University of Bristol and colleagues estimated the flux of ice from the ice sheet into the ocean from satellite data that cover 85 percent of Antarctica's coastline. They arrived at a best estimate of a loss of 132 billion tons of ice in 2006 from West Antarctica -- up from about 83 billion tons in 1996 -- and a loss of about 60 billion tons in 2006 from the Antarctic Peninsula. (2008-01-13)

Melting of east Antarctic ice sheet could cripple major US cities
Instability of the East Antarctic Ice Sheet signals increased risk of rising sea levels. (2017-12-13)

Antarctic study shows central ice sheet is stable since milder times
Central parts of Antarctica's ice sheet have been stable for millions of years, from a time when conditions were considerably warmer than now, research suggests. (2017-05-05)

Changing Antarctic waters could trigger steep rise in sea levels
Current changes in the ocean around Antarctica are disturbingly close to conditions 14,000 years ago that led to the rapid melting of the Antarctic ice sheets and a three meter rise in global sea levels, according to new research published in Scientific Reports. (2017-01-05)

Antarctic ice shelf retreats happened before
A study of George VI Ice Shelf on the Antarctic Peninsula is the first to show that this currently 'healthy' ice shelf experienced an extensive retreat about 9500 years ago, more than anything seen in recent years. The retreat coincided with a shift in ocean currents that occurred after a long period of warmth. (2005-02-23)

Moderate warming could melt East Antarctic Ice Sheet
Parts of the world's largest ice sheet would melt if Antarctic warming of just 2°C is sustained for millennia, according to international research. University of Queensland scientist Dr Kevin Welsh was part of a team that used evidence from warm periods in Earth's history to see how the East Antarctic Ice Sheet might react to a warming climate. (2018-09-19)

Why Is Antarctica So Cold? Scientists Pursue History Of Antarctic Ice Sheet
Departing Punta Arenas, Chile, in mid-February, 26 scientists representing 10 countries will sail aboard the ocean drilling ship JOIDES Resolution to collect core samples from the continental rise and shelf of the Antarctic Peninsula. (1998-02-17)

Warming ocean could start big shift of Antarctic ice
Fast-flowing and narrow glaciers have the potential to trigger massive changes in the Antarctic ice sheet and contribute to rapid ice-sheet decay and sea-level rise, a new study has found. (2012-09-19)

Scientists develop interactive game demonstrating impact of climate change on the Antarctic
Scientists and games developers have joined forces to help communicate the impact of climate change on the Antarctic Ice Sheet. (2016-08-23)

Integrating past warm climate data, scientists hone future sea-level rise predictions
In a recent review of the science on past sea-level rise and climate change, climate scientists including Robert DeConto of the University of Massachusetts Amherst survey modeling and other methods used to reconstruct past sea levels and say we are verging on a new era of understanding how quickly the Greenland and Antarctic ice sheets may respond to warming, and what rates of sea-level change might accompany such change. (2015-07-09)

Syracuse geophysicist questions stability of Antarctic ice sheet
A professor in Syracuse University's College of Arts and Sciences is joining the growing debate over the fate of the world's largest ice sheet, whose sudden melting is sending shockwaves throughout the geophysics community. (2016-01-29)

No Major Changes Seen In Stability Of Antarctic Ice Sheet
The West Antarctic ice sheet's interior -- the largest grounded repository of ice on the planet -- isn't melting rapidly, is reasonably stable and has been so for more than a century. The results follow five years of satellite radar measurements covering a large part of the southernmost continent. (1998-11-30)

Antarctic ice sheet is more vulnerable to CO2 than expected
Results from a new climate reconstruction of how Antarctica's ice sheets responded during the last period when atmospheric carbon dioxide (CO2) reached levels like those expected to occur in about 30 years, plus sediment core findings reported in a companion paper, suggest that the ice sheets are more vulnerable to rising atmospheric CO2 than previously thought. (2016-02-22)

How much will polar ice sheets add to sea level rise?
Over 99% of terrestrial ice is bound up in the ice sheets covering Antarctic and Greenland. Even partial melting of this ice due to climate change will significantly contribute to sea level rise. But how much exactly? For the first time ever, glaciologists, oceanographers, and climatologists from 13 countries have teamed up to make new projections. (2020-09-17)

Antarctica's hidden landscape shaped by rivers in warmer era
Antarctica's hidden landscape of mountains and valleys was formed by rivers -- rather than glaciers as was previously thought -- before the continent became covered in a thick ice sheet, research shows. (2018-11-19)

Largest ice sheet on Earth was stable throughout last warm period
The largest ice sheet on Earth was stable throughout the last warm period in geologic time, indicating it should hold up as temperatures continue to rise. (2018-06-13)

Artificial snowfall could save the west antarctic ice sheet, but with high costs and risks
By pumping ocean water onto coastal regions surrounding parts of the West Antarctic ice sheet and converting it to snow, it may be possible to prevent the ice sheet from sliding into the ocean and melting, according to a new modeling study. The authors caution that while the findings offer a potentially feasible and less dangerous solution compared to other proposed. (2019-07-17)

New study is 'a leap forward' in our understanding of ice sheet behavior, expert says
UB geologist Jason Briner can discuss the implications of a new climate science paper in Nature by Stokes et al. Briner was not a part of the research project. (2016-02-17)

New study shows impact of Antarctic Ice Sheet on climate change
An international team of researchers has concluded that the Antarctic Ice Sheet actually plays a major role in regional and global climate variability -- a discovery that may also help explain why sea ice in the Southern Hemisphere has been increasing despite the warming of the rest of the Earth. (2016-12-12)

Accounting for ice-earth feedbacks at finer scale suggests slower glacier retreat
Accounting for the way the Antarctic ice sheet interacts with the solid earth below -- an important but previously poorly captured phenomena -- reveals that ice sheet collapse events may be delayed for several decades, at this major ice structure. (2019-04-25)

Potential methane reservoirs beneath Antarctica
The Antarctic Ice Sheet could be an overlooked but important source of methane, a potent greenhouse gas, according to research published today in Nature and conducted by an international team led by Professor Jemma Wadham from the University of Bristol's School of Geographical Sciences. (2012-08-29)

Polar ice experts meet to seek consensus on Antarctic contribution to sea-level rise
Thirty of the world's top polar ice experts meet at The University of Texas at Austin March 26-28 to seek consensus on a major uncertainty concerning future sea-level rise, the fate of the West Antarctic Ice Sheet. They will issue a statement March 28 followed by a public panel on campus. The fate of the ice sheet lacked consensus in the recent IPCC assessment though it could raise global sea level by several meters. (2007-03-15)

Changing Antarctic waters could trigger steep rise in sea levels
Current changes in the ocean around Antarctica are disturbingly close to conditions 14,000 years ago that new research shows may have led to the rapid melting of Antarctic ice and an abrupt 3-4 meter rise in global sea level. (2014-10-01)

On a tropical island, fossils reveal the past -- and possible future -- of polar ice
The balmy islands of Seychelles couldn't feel farther from Antarctica, but their fossil corals could reveal much about the fate of polar ice sheets. (2015-01-08)

Scientists to solve the 'mystery' of Antarctic mass loss
An international team of experts are leading an investigation which could finally give a definitive answer about the impact Antarctica is having on sea level change globally. (2011-10-16)

New map reveals giant fjords beneath East Antarctic ice sheet
Scientists have used ice-penetrating radar to create the first high-resolution topographic map of one of the last uncharted regions of Earth, the Aurora Subglacial Basin, an immense ice-buried lowland in East Antarctica. The map will help improve computer simulations of the past and future Antarctic ice sheet and its potential impact on global sea level. (2011-06-01)

Scientists discover new site of potential instability in West Antarctic Ice Sheet
A team of scientists from the US and UK have uncovered a previously unknown sub-glacial basin nearly the size of New Jersey beneath the West Antarctic Ice Sheet near the Weddell Sea. The location, shape and texture of the mile-deep basin suggest that this region of the ice sheet is at a much greater risk of collapse than previously thought. (2012-05-09)

Satellite Laser To Take The Pulse Of West Antarctic Ice Sheet
By shining a laser from space onto the Antarctic and Greenland, scientists may soon peel away some of the mystery surrounding the fate of the massive ice sheets that, through natural fluctuation or human-induced climate change, could drastically alter the levels of the world's oceans. (1999-02-23)

Study suggests large methane reservoirs beneath Antarctic ice sheet
The Antarctic Ice Sheet could be an overlooked but important source of methane, a potent greenhouse gas, according to a report by an international team of scientists. (2012-08-29)

Antarctic Ice Sheet study reveals 8,000-year record of climate change
An international team of researchers has found that the Antarctic Ice Sheet plays a major role in regional and global climate variability -- a discovery that may also help explain why sea ice in the Southern Hemisphere has been increasing despite the warming of the rest of the Earth. (2016-12-12)

West Antarctica ice sheet existed 20 million years earlier than previously thought
The results of research conducted by professors at UC Santa Barbara and colleagues mark the beginning of a new paradigm for our understanding of the history of Earth's great global ice sheets. The research shows that, contrary to the popularly held scientific view, an ice sheet on West Antarctica existed 20 million years earlier than previously thought. (2013-09-04)

Changes in Antarctic sea ice production due to surrounding ice conditions.
Antarctic sea ice production spanning more than 20 years has been understood through the analysis of satellite observations using specially developed techniques. The results of this analysis revealed that changes to the sea ice production in the Southern Ocean were caused mainly because of surrounding ice shelf and fast ice conditions, rather than by wind, temperature, or other factors. (2016-06-29)

Ice loss likely to continue in Antarctica
A new international study led by Monash University climate scientists has revealed that ice loss in Antarctica persisted for many centuries after it was initiated and is expected to continue. (2020-10-21)

Antarctica's past shows region's vulnerability to climate change
Fresh understanding of West Antarctica has revealed how the region's ice sheet could become unstable in a warming world. (2016-08-22)

Antarctic ice sheet losing mass, says University of Colorado study
University of Colorado at Boulder researchers have used data from a pair of NASA satellites orbiting Earth in tandem to determine that the Antarctic ice sheet, which harbors 90 percent of Earth's ice, has lost significant mass in recent years. (2006-03-02)

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