Sea Ice Current Events

Sea Ice Current Events, Sea Ice News Articles.
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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)

Study explores atmospheric impact of declining Arctic sea ice
New research explores the impact of ice free seas on the planet's atmospheric circulation. (2013-05-28)

Predicting when the Arctic will have an ice-free summer
For every metric ton of carbon dioxide that's emitted into the atmosphere, there is a direct correlation in the amount of Arctic sea ice that is lost, a new study shows. (2016-11-03)

Arctic sea ice affects and is affected by mid-latitude weather
New work by Dr Michael Kelleher and Prof James Screen from the University of Exeter find evidence that sea ice change is both a driver of and a response to atmospheric variability. (2017-12-15)

Resolving the paradox of the Antarctic sea ice
While Arctic sea ice has been diminishing in recent decades, the Antarctic sea ice extent has been increasing slightly. Researchers from the Georgia Institute of Technology provide an explanation for the seeming paradox of increasing Antarctic sea ice in a warming climate. (2010-08-16)

Arctic sea ice 2019 wintertime extent is seventh lowest
Sea ice in the Arctic appears to have hit its annual maximum extent after growing through the fall and winter. The 2019 wintertime extent reached on March 13 ties with 2007's as the 7th smallest extent of winter sea ice in the satellite record, according to scientists at the NASA-supported National Snow and Ice Data Center and NASA. (2019-03-20)

Melting Arctic sea ice accelerates methane emissions
Methane emissions from Arctic tundra increase when sea ice melts, according to a new study from Lund University in Sweden. This connection has been suspected before, but has lacked strong evidence until now. (2015-09-17)

New Technologies Expand Physical Knowledge Of Antarctic Sea Ice
Technological advances of the past 20 years have fostered a rapid expansion of knowledge about antarctic sea ice, including the determination that it differs fundamentally from arctic ice. (1998-09-01)

Lie of the land beneath glaciers influences impact on sea levels
Fresh research into glaciers could help scientists better predict the impact of changing climates on global sea levels. (2011-07-12)

Unraveling a major cause of sea ice retreat in the Arctic Ocean
Quantitative analysis has evidenced the acceleration system of melting ice: dark water surfaces absorb more heat than white ice surfaces, thus melting ice and making more water surfaces in the Arctic Ocean. (2017-09-06)

Arctic sea ice diminished rapidly in 2004 and 2005
The Arctic Ocean's perennial sea ice shrank abruptly by 14 percent between 2004 and 2005, according to a newly published study. The loss of perennial ice in the East Arctic Ocean, above Europe and Asia, neared 50 percent during that time, as some of the ice moved to the West Arctic Ocean, above North America. The overall decrease in winter Arctic perennial sea ice equaled the area of Texas. (2006-09-13)

2015 Antarctic maximum sea ice extent breaks streak of record highs
The sea ice cover of the Southern Ocean reached its yearly maximum extent on Oct. 6. At 7.27 million square miles (18.83 million square kilometers), the new maximum extent falls roughly in the middle of the record of Antarctic maximum extents compiled during the 37 years of satellite measurements -- this year's maximum extent is both the 22nd lowest and the 16th highest. (2015-10-15)

Technique could assess historic changes to Antarctic sea ice and glaciers
Historic changes to Antarctic sea ice could be unravelled using a new technique pioneered by scientists at Plymouth University. (2016-08-30)

More rain, less snow leads to faster Arctic ice melt
Rising air temperatures in the Arctic region have led to an increase in rainfall and a decrease in snowfall, making the sea ice more susceptible to melting, a new Australian study has revealed. (2011-07-01)

Melting sea ice major cause of warming in Arctic, new study reveals
Melting sea ice has been shown to be a major cause of warming in the Arctic according to a University of Melbourne, Australia, study. (2010-04-28)

NASA study shows global sea ice diminishing, despite Antarctic gains
Sea ice increases in Antarctica do not make up for the accelerated Arctic sea ice loss of the last decades, a new NASA study finds. As a whole, the planet has been shedding sea ice at an average annual rate of 13,500 square miles (35,000 square kilometers) since 1979, the equivalent of losing an area of sea ice larger than the state of Maryland every year. (2015-02-10)

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)

NASA scientists watching, studying Arctic changes this summer
As we near the final month of summer in the Northern Hemisphere, NASA scientists are watching the annual seasonal melting of the Arctic sea ice cover. The floating, frozen cap that stretches across the Arctic Ocean shrinks throughout summer until beginning to regrow, typically around mid-September. (2014-08-21)

Tracking the amount of sea ice from the Greenland ice sheet
The Greenland ice sheet records information about Arctic climate going back more than 120.000 years. New research from the Niels Bohr Institute reveals that the ice doesn't just tell about the situation in the air and on land -- it can also tell what was happening at sea. By analyzing ice cores drilled from deep inside the Greenland ice sheet, researchers have calculated how much Arctic sea ice there was in the past. (2016-10-10)

Emperor penguins use sea ice to rest between long foraging periods
For the first time, researchers tracking the behavior of emperor penguins near the sea have identified the importance of sea ice for the penguins' feeding habits. The research, published Nov. 21 in the open access journal PLOS ONE by Shinichi Watanabe from Fukuyama University, Japan and colleagues, Japan describes emperor penguin foraging behavior through the birds' chick-rearing season. (2012-11-21)

Arctic sea ice thinning at record rate
The thickness of sea ice in large parts of the Arctic declined by as much as 19 percent last winter compared to the previous five winters, according to data from ESA's Envisat satellite. (2008-10-28)

U of Colorado researchers forecast 1 in 3 chance of record low sea ice in 2007
University of Colorado at Boulder researchers are forecasting a one in three chance that the 2007 minimum extent of sea ice across the Arctic region will set an all-time record low. (2007-04-19)

Scientists find the error source of a sea-ice model varies with the season
Scientists evaluated the sea-ice simulations of the Arctic regional ocean-ice coupling configuration of the Massachusetts Institute of Technology general circulation model (MITgcm) and found there were disagreements between the simulations and observations in both March and September. (2020-12-30)

Arctic sea ice reaches lowest 2010 extent, third lowest in satellite record
The Arctic sea ice cover appears to have reached its minimum extent for the year, the third-lowest recorded since satellites began measuring sea ice extent in 1979, according to the University of Colorado at Boulder's National Snow and Ice Data Center. (2010-09-15)

Genetics reveals where emperor penguins survived the last ice age
A study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica was likely the refuge for one of these populations. (2015-03-01)

'Archived' heat has reached deep into the Arctic interior, researchers say
Arctic sea ice isn't just threatened by the melting of ice around its edges, a new study has found: Warmer water that originated hundreds of miles away has penetrated deep into the interior of the Arctic. (2018-08-29)

Arctic sea ice narrowly missed record low in winter 2007, says University of Colorado team
The maximum extent of Arctic sea ice in winter 2007 was the second lowest on satellite record, narrowly missing the 2006 record, according to a team of University of Colorado at Boulder researchers. (2007-04-04)

The least sea ice in 800 years
New research, which reconstructs the extent of ice in the sea between Greenland and Svalbard from the 13th century to the present indicates that there has never been so little sea ice as there is now. The research results from the Niels Bohr Institute, among others, are published in the scientific journal Climate Dynamics. (2009-07-01)

Journal highlights Arctic sea ice study by UM professor
New research by University of Montana bioclimatology Assistant Professor Ashley Ballantyne models the influence of Arctic sea ice on Arctic temperatures during the Pliocene era. His research was published in the Research Highlight section of the July issue of Nature Geoscience. The full paper will be published in Palaeogeography, Palaeoclimatology, Palaeoecology: An International Journal for the Geosciences. (2013-07-09)

Arctic sea ice shrinks to new low in satellite era
The extent of the sea ice covering the Arctic Ocean has shrunk. According to scientists from NASA and the NASA-supported National Snow and Ice Data Center in Boulder, Colo., the amount is the smallest size ever observed in the three decades since consistent satellite observations of the polar cap began. (2012-08-27)

1 by land and 1 by sea
NASA's Operation IceBridge got the 2012 Antarctic campaign off to a productive start with a land ice survey of Thwaites Glacier and a sea ice flight over parts of the Bellingshausen Sea. (2012-10-16)

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)

Increasing loss of spring sea ice taxes polar bear metabolism
Tracking polar bears during the spring -- their prime hunting season, when sea ice conditions should be ideal -- reveals that in recent years, many bears are expending notably more energy than they are consuming. (2018-02-01)

Measurements of winter Arctic sea ice shows continuing ice loss, says CU-Boulder study
The 2011 Arctic sea ice extent maximum that marks the beginning of the melt season appears to be tied for the lowest ever measured by satellites, say scientists at the University of Colorado Boulder's National Snow and Ice Data Center. (2011-03-23)

Arctic sea ice reaches minimum extent for 2009, third lowest ever recorded
The Arctic sea ice cover appears to have reached its minimum extent for the year, the third-lowest recorded since satellites began measuring sea ice extent in 1979, according to the University of Colorado at Boulder's National Snow and Ice Data Center. (2009-09-17)

For polar bears, it's survival of the fattest
Climate change is forcing the animals to take to the shore earlier in the summer and delay their departure until later in the fall. (2013-03-20)

Satellites show overall increases in antarctic sea ice cover
While recent studies have shown that on the whole Arctic sea ice has decreased since the late 1970s, satellite records of sea ice around Antarctica reveal an overall increase in the southern hemisphere ice over the same period. (2002-08-22)

2019 Arctic sea ice minimum tied for second lowest on record
The extent of Arctic sea ice at the end of this summer was effectively tied with 2007 and 2016 for second lowest since modern record keeping began in the late 1970s. An analysis of satellite data by NASA and the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder shows that the 2019 minimum extent, which was likely reached on Sept. 18, measured 1.60 million square miles (4.15 million square kilometers). (2019-09-23)

NOAA: Ice-free Arctic summers likely sooner than expected
Summers in the Arctic may be ice-free in as few as 30 years, not at the end of the century as previously expected. The updated forecast is the result of a new analysis of computer models coupled with the most recent summer ice measurements. (2009-04-02)

NASA study improves forecasts of summer Arctic sea ice
The Arctic has been losing sea ice over the past several decades as Earth warms. However, each year, as the sea ice starts to melt in the spring following its maximum wintertime extent, scientists still struggle to estimate exactly how much ice they expect will disappear through the melt season. Now, a new NASA forecasting model based on satellite measurements is allowing researchers to make better estimates. (2017-03-02)

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