Showing posts with label Arctic Ice. Show all posts
Showing posts with label Arctic Ice. Show all posts

Tuesday, June 18, 2013

Exceptional 2012 Greenland Ice Melt Caused By Jet Stream Changes That May Be Driven By Global Warming

Exceptional 2012 Greenland Ice Melt Caused By Jet Stream Changes That May Be Driven By Global Warming: New research finds that “unusual changes in atmospheric jet stream circulation caused the exceptional surface melt of the Greenland Ice Sheet (GrIS) in summer 2012.” Prof. Jennifer Francis tells me these changes are consistent with those caused by warming-driven “Arctic Amplification.” And that means GrIS may melt faster than climate models have projected. Extent of [...]/p

Wednesday, May 8, 2013

On Top Of Sea Ice Death Spiral, Ocean Acidification Poised To Radically Alter Arctic

On Top Of Sea Ice Death Spiral, Ocean Acidification Poised To Radically Alter Arctic: The Arctic is the fastest changing place on earth. The most obvious and important change is the staggering loss of sea ice (see “CryoSat-2 Confirms Sea Ice Volume Has Collapsed“). In addition, “the Arctic marine waters are experiencing widespread and rapid ocean acidification,” a new study finds. This first-ever Arctic Ocean Acidification Assessment, commissioned by the Arctic Council’s Arctic Monitoring and Assessment [...]/p

Tuesday, April 16, 2013

Video Explains How Loss Of Arctic Ice Weakens Jet Stream, Amplifies Extreme Weather

Video Explains How Loss Of Arctic Ice Weakens Jet Stream, Amplifies Extreme Weather: We’ve written extensively about how how arctic ice loss is driving extreme weather. Jennifer A. Francis of Rutgers University’s Institute of Marine and Coastal Sciences has been at the forefront of this research. She appears in many videos explaining the connection between climate change and extreme weather (see recent 40 minute video here). Here’s a short [...]/p

Monday, April 15, 2013

'Off-Limits!': From North Pole, Greenpeace Youth Activists Demand Protection for Arctic | Common Dreams

'Off-Limits!': From North Pole, Greenpeace Youth Activists Demand Protection for Arctic | Common Dreams
"Fulfilling the goal of an ambitious polar adventure, a small Greenpeace team and a group of youth ambassadors have planted a flag on the seabed beneath the North Pole declaring the region "off limits" to exploitation by oil companies, governments, and commercial interests."

Sunday, April 14, 2013

Unprecedented Warming in Antarctica Causes Worst Melting in 1,000 Years | Common Dreams

Unprecedented Warming in Antarctica Causes Worst Melting in 1,000 Years | Common Dreams
"Ice is melting at a faster rate in the Antarctic Peninsula than at any time in the past 1000 years, and ten times more than it was 600 years ago, according to a new study by the Australian National University and the British Antarctic Survey, published in Nature Geoscience."

Thursday, April 11, 2013

Arctic Sea Ice: The Death Spiral Continues

Arctic Sea Ice: The Death Spiral Continues: The story of the decade is the collapse of Arctic sea ice and its impact on our extreme weather (see “CryoSat-2 Confirms Sea Ice Volume Has Collapsed“). That merits the latest monthly update of sea ice volume by creative tech guru Andy Lee Robinson showing that “death spiral” is the right visual metaphor: Many experts now [...]/p

Friday, April 5, 2013

April 5 News: A Millennium And A Half Of Ice Melted In 25 Years

April 5 News: A Millennium And A Half Of Ice Melted In 25 Years: Ice that took 1,600 years to form in the Andes has melted in 25 years: “the latest indication that the recent spike in global temperatures has thrown the natural world out of balance.” [New York Times] Lonnie G. Thompson, the Ohio State University glaciologist whose team has worked intermittently on the Quelccaya ice cap for decades, reported [...]/p

The New Arctic

Monday, April 1, 2013

Study: Arctic 'Greening' Will Bring Global Ecological Consequences, More Warming | Common Dreams

Study: Arctic 'Greening' Will Bring Global Ecological Consequences, More Warming | Common Dreams
"Global warming will bring a "greening" explosion to the Arctic in the next few decades, bringing repercussions to ecosystems worldwide and creating feedback loops that will likely cause more global warming than predicted, according to a new study."

Friday, March 15, 2013

How Arctic Ice Loss Amplified Superstorm Sandy — Oceanography Journal

How Arctic Ice Loss Amplified Superstorm Sandy — Oceanography Journal: We’ve written extensively about how global warming worsened the impact of Superstorm Sandy. Now a new article, “Superstorm Sandy: A Series of Unfortunate Events?” (PDF here) connects the dots even more explicitly: Cornell and Rutgers researchers report in the March issue of Oceanography that the severe loss of summertime Arctic sea ice — attributed to [...]/p

Friday, February 22, 2013

In Ancient Caves, Evidence Shows Small Uptick in Temps Could Spell 'Massive' Permafrost Melt | Common Dreams

In Ancient Caves, Evidence Shows Small Uptick in Temps Could Spell 'Massive' Permafrost Melt | Common Dreams
"Scientists studying the geological history inside ancient Siberian caves say that evidence suggests a global temperature increase of just 1.5ºC could trigger massive melting of the northern hemisphere's permafrost, unleashing gigatonnes of carbon and methane into the already warming atmosphere."

Friday, February 15, 2013

Scientists Confirm: Arctic Sea Ice 'Collapse' at Our Door | Common Dreams

Scientists Confirm: Arctic Sea Ice 'Collapse' at Our Door | Common Dreams
"The Arctic Sea is experiencing rapid ice loss at a pace so fast that the area will soon be ice-free in warmer months, scientists confirmed in a report this week—showing a collapse in total sea ice volume to one fifth of its level in 1980."