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Researchers reveal long-term impacts of extreme melt on Greenland Ice Sheet

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Researchers reveal long-term impacts of extreme melt on Greenland Ice Sheet
Researchers have deciphered a trove of data that shows one season of extreme melt can reduce the Greenland Ice Sheet’s capacity to store future meltwater – and increase the likelihood of future melt raising sea levels.
By Danielle Torrent Tucker
Nearly a decade ago, global news outlets reported vast ice melt in the Arctic as sapphire lakes glimmered across the previously frozen Greenland Ice Sheet, one of the most important contributors to sea-level rise. Now researchers have revealed the long-term impact of that extreme melt.
Using a new approach to ice-penetrating radar data, Stanford University scientists show that this melting left behind a contiguous layer of refrozen ice inside the snowpack, including near the middle of the ice sheet where surface melting is usually minimal. Most importantly, the formation ....

Riley Culberg , Winnie Chu , Dustin Schroeder , Nature Communications , National Defense Science , Stanford Woods Institute For The Environment , Georgia Institute Of Technology , National Science Foundation , Energy Environmental Sciences Stanford Earth , Stanford School Of Earth , Stanford University , Greenland Ice Sheet , Nature Communications April , Environmental Sciences , Stanford Earth , South Pole , Stanford Woods Institute , Georgia Institute , Engineering Graduate Fellowship , வின்னி சூ , டஸ்டின் ஸ்க்ரோடர் , இயற்கை தகவல்தொடர்புகள் , தேசிய பாதுகாப்பு அறிவியல் , ஸ்டான்போர்ட் வூட்ஸ் நிறுவனம் க்கு தி சூழல் , ஜார்ஜியா நிறுவனம் ஆஃப் தொழில்நுட்பம் , தேசிய அறிவியல் அடித்தளம் ,

Can extreme melt destabilize ice sheets?

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IMAGE: In 2012, an extreme melt season in Greenland created a refrozen ice layer in the compacting snow near the surface of the ice sheet. In some places, this melt layer.
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Credit: Farrin Abbott
Nearly a decade ago, global news outlets reported vast ice melt in the Arctic as sapphire lakes glimmered across the previously frozen Greenland Ice Sheet, one of the most important contributors to sea-level rise. Now researchers have revealed the long-term impact of that extreme melt.
Using a new approach to ice-penetrating radar data, Stanford University scientists show that this melting left behind a contiguous layer of refrozen ice inside the snowpack, including near the middle of the ice sheet where surface melting is usually minimal. Most importantly, the formation of the melt layer changed the ice sheet s behavior by reducing its ability to store future meltwater. The research appears in ....

Riley Culberg , Winnie Chu , Dustin Schroeder , Nature Communications , National Defense Science , Stanford Woods Institute For The Environment , Georgia Institute Of Technology , National Science Foundation , Energy Environmental Sciences Stanford Earth , Stanford School Of Earth , Stanford University , Greenland Ice Sheet , Nature Communications April , Environmental Sciences , Stanford Earth , South Pole , Stanford Woods Institute , Georgia Institute , Engineering Graduate Fellowship , Earth Science , Geophysics Gravity , Hydrology Water Resources , Climate Change , வின்னி சூ , டஸ்டின் ஸ்க்ரோடர் , இயற்கை தகவல்தொடர்புகள் ,

Environmental News Network - Stanford Researchers Reveal the Long-Term Impacts of Extreme Melt On Greenland Ice Sheet

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Nearly a decade ago, global news outlets reported vast ice melt in the Arctic as sapphire lakes glimmered across the previously frozen Greenland Ice Sheet, one of the most important contributors to sea-level rise.
Nearly a decade ago, global news outlets reported vast ice melt in the Arctic as sapphire lakes glimmered across the previously frozen Greenland Ice Sheet, one of the most important contributors to sea-level rise. Now researchers have revealed the long-term impact of that extreme melt.
Using a new approach to ice-penetrating radar data, Stanford University scientists show that this melting left behind a contiguous layer of refrozen ice inside the snowpack, including near the middle of the ice sheet where surface melting is usually minimal. Most importantly, the formation of the melt layer changed the ice sheet’s behavior by reducing its ability to store future meltwater. The research appears in Nature Communications April 20. ....

Riley Culberg , Nature Communications , Stanford University , Greenland Ice Sheet , Nature Communications April , இயற்கை தகவல்தொடர்புகள் , ஸ்டான்போர்ட் பல்கலைக்கழகம் , கிரீன்லாந்து பனி தாள் , இயற்கை தகவல்தொடர்புகள் ஏப்ரல் ,

Can extreme melt destabilize ice sheets? - ScienceBlog.com

Can extreme melt destabilize ice sheets? - ScienceBlog.com
scienceblog.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scienceblog.com Daily Mail and Mail on Sunday newspapers.

Riley Culberg , Winnie Chu , Dustin Schroeder , Nature Communications , School Of Earth , National Defense Science , Stanford Woods Institute For The Environment , Georgia Institute Of Technology , National Science Foundation , Energy Environmental Sciences Stanford Earth , Stanford University , Nature Communications April , Greenland Ice Sheet , Environmental Sciences , Stanford Earth , South Pole , Stanford Woods Institute , Georgia Institute , Engineering Graduate Fellowship , Stanford Science , வின்னி சூ , டஸ்டின் ஸ்க்ரோடர் , இயற்கை தகவல்தொடர்புகள் , பள்ளி ஆஃப் பூமி , தேசிய பாதுகாப்பு அறிவியல் , ஸ்டான்போர்ட் வூட்ஸ் நிறுவனம் க்கு தி சூழல் ,

Ideas, Inventions And Innovations : Abrupt Ice Age Climate Changes Behaved like Cascading Dominoes

Ideas, Inventions And Innovations
Abrupt Ice Age Climate Changes Behaved like Cascading Dominoes
Throughout the last ice age, the climate changed repeatedly and rapidly during so-called Dansgaard-Oeschger events, where Greenland temperatures rose between 5 and 16 degrees Celsius in decades. When certain parts of the climate system changed, other parts of the climate system followed like a series of dominos toppling in succession. This is the conclusion from an analysis of ice-core data by a group of researchers that included postdoc Emilie Capron and associate professor Sune Olander Rasmussen from the Section for the Physics of Ice, Climate and Earth at the Niels Bohr Institute, University of Copenhagen, in Denmark. ....

Sune Olander Rasmussen , Sepp Kipfstuhl , Guido Vettoretti , Mari Jensen , Carlsberg Foundation , Nature Communications , University Of Copenhagen , Niels Bohr Institute University Of Copenhagen , Niels Bohr Institute , Institute Of Environmental Geosciences , Emilie Capron , North Atlantic , Northern Hemisphere , Environmental Geosciences , Curie Action , Niels Bohr , Nature Communications April , Bohr Institute , சுனே ஓழாந்தேர் ராஸ்மஸெந் , மாரி ஜென்சன் , கார்ல்ஸ்பர்க் அடித்தளம் , இயற்கை தகவல்தொடர்புகள் , பல்கலைக்கழகம் ஆஃப் கோபெந்ஹேகந் , நியீல்ஸ் போஹ்ர் நிறுவனம் , நிறுவனம் ஆஃப் சுற்றுச்சூழல் புவி அறிவியல் , எமிலீ கேப்ரோன் ,