The trend of warmer Arctic temperatures and melting Arctic ice appears to be worsening. Less ice means more global warming. Last year was the warmest year on record replacing 2015. We saw a number of extreme weather events in 2016 and ongoing evidence of the global warming trend, particularly in the Arctic.
A WMO report presented at COP22 at the end of 2016 indicates that in recent years parts of Arctic Russia, temperatures were 6°C to 7°C above the long-term average. Many other Arctic and sub-Arctic regions in Russia, Alaska and northwest Canada were at least 3°C above average. The global average temperature increase is around 1.5°C above average.
The report also revealed a cascade of related phenomena including sea level rise associated with rapidly melting polar ice. Over the past five years, Arctic sea ice is 28 percent below the average of the previous 29 years. The impact from this melting trend is not only rising sea levels it is also decreasing global cooling from the ice associated with the albedo effect (light or radiation that is reflected by a surface). Simply put, less ice means more warming.
Showing posts with label Arctic. Show all posts
Showing posts with label Arctic. Show all posts
Saturday, January 28, 2017
Tuesday, October 27, 2015
The Arctic is still not Safe from Drilling
Although the Obama administration has effectively shut down Arctic drilling the region is far from being protected from the dangers of fossil fuel extraction. The President has imposed stringent lease conditions on Arctic oil extraction but other Northern nations do not have such restrictive national laws. Countries including Russia and Norway continue to set their sights on Arctic oil.
Arctic drilling is a source of concern for many reasons including the risks of a spill. According to Greenpeace there is a 75 percent chance of a serious spill. This would prove catastrophic in this fragile and remote ecosystem.
Arctic drilling is a source of concern for many reasons including the risks of a spill. According to Greenpeace there is a 75 percent chance of a serious spill. This would prove catastrophic in this fragile and remote ecosystem.
Thursday, July 2, 2015
Obama Administration Cuts Shell's Arctic Drilling in Half
Shell may be drilling the Chukchi Sea off the coast of Alaska this summer but they will only be able to do half of the drilling they had planned. On Tuesday June 30, the Obama administration announced that it has limited shell's drilling plans in the Arctic citing wildlife protections. The federal government has effectively prevented them from simultaneously boring two wells.
The US Fish and Wildlife Service indicated that they want to reduce the noise from the drilling and they are using a 2013 regulation that prohibits drilling less than 15 miles between wells. Shell's plan was to bore two holes 9 miles apart.
The US Fish and Wildlife Service indicated that they want to reduce the noise from the drilling and they are using a 2013 regulation that prohibits drilling less than 15 miles between wells. Shell's plan was to bore two holes 9 miles apart.
Saturday, September 6, 2014
Video - Arctic Emergency: Scientists on Melting Arctic Ice
In this video climate scientists address how rising temperatures in the Arctic are contributing the melting sea ice, thawing permafrost, and destabilization of a system that has been called "Earth's Air Conditioner". They make the point that global warming is here and is impacting weather patterns, natural systems, and human life around the world - and the Arctic is central to these impacts.
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Tuesday, March 11, 2014
Implications of Arctic Heat: Less Ice and More Global Warming
The Arctic continues to warm and ocean sea ice continues to retreat at an alarming pace. This has dramatic implications that are both global and local. Arctic ice has been both retreating and thinning in volume for four decades.
As reported in the Ecologist, the latest study by Stroeve et al. from the University College London, was published in Geophysical Research Letters. This study shows that the ice-free period is increasing by 5 days every decade. In some regions of the Arctic, the autumn freeze is now up to 11 days later every decade.
The research examined satellite imagery of the Arctic for the last 30 years. They found that the ice is melting and the increasing exposure to sunlight means that greater quantities of energy are being absorbed by the Earth.
As reported in the Ecologist, the latest study by Stroeve et al. from the University College London, was published in Geophysical Research Letters. This study shows that the ice-free period is increasing by 5 days every decade. In some regions of the Arctic, the autumn freeze is now up to 11 days later every decade.
The research examined satellite imagery of the Arctic for the last 30 years. They found that the ice is melting and the increasing exposure to sunlight means that greater quantities of energy are being absorbed by the Earth.
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Wednesday, February 19, 2014
Alaska's Record Breaking Heat in January Offers More Evidence for a Dramatically Warmer Arctic
While the continental US was being slammed with a succession of cold spells and winter storms in January, Alaska was experiencing some of the hottest temperatures ever recorded for the month. Temperatures were as much as 40°F (22°C) above normal. The all-time warmest January temperature ever observed in Alaska was tied on January 27 when the temperature peaked at 62°F (16.7°C) in Port Alsworth.
The NASA map (above left) shows the temperature anomalies in Alaska for January 23–30, 2014. Those areas which experienced higher than average temperatures compared to the 2001–2010 average for the same week are highlighted in red. The map is based on data from Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.
The NASA map (above left) shows the temperature anomalies in Alaska for January 23–30, 2014. Those areas which experienced higher than average temperatures compared to the 2001–2010 average for the same week are highlighted in red. The map is based on data from Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.
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Wednesday, December 18, 2013
Breaking News - Russian Duma to Free the Arctic 30
On December 18, exactly three months after their arrest, the Russian Duma voted to release 28 Greenpeace activists and two freelance journalists known as the Arctic 30. After their boat the Arctic Sunrise was stormed by Russian special forces the Arctic 30 spent months in jail for a peaceful protest against a Gazprom oil rig. It is not know what will happen to the Arctic Sunrise, currently impounded in Murmansk. The amnesty applies to thousands of prisoners and it does not amount to an admission of guilt but it does signal an end to legal proceedings.
Upon hearing news of their release, Peter Willcox the Captain of the Arctic Sunrise said, “There is no amnesty for the Arctic.”
Upon hearing news of their release, Peter Willcox the Captain of the Arctic Sunrise said, “There is no amnesty for the Arctic.”
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Sunday, December 8, 2013
Talk - The Race to the North Pole: Climate Change and Biodiversity in Canada
The race to the North Pole: climate change and biodiversity in Canada will take place on Wednesday, December 11, 2013, at the University of Ottawa, Biosciences Complex – RM 140, 30 Marie Curie St., Ottawa, Ontario. The reception will take place at 6 pm and the presentation will commence at 7 pm. Parking is available in parking lot V (In front of Marion Hall). The Faculty of Science at the University of Ottawa is pleased to invite National Capital Region community members to this special evening with Department of Biology professor Jeremy Kerr (BSc ’93 – Biology).
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Saturday, November 23, 2013
Video - Russian Special Forces Assault on The Arctic Sunrise and Arrest of the Crew
Here is some previously unseen footage shows which records the moment the Greenpeace ship Arctic Sunrise was boarded and seized by Russian security agents in international waters on September 19. The footage shows Greenpeace International activists and crew responding peacefully with arms raised and how the ship was subsequently towed to the port of Murmansk. The crew is now facing charges of Hooliganism.
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Saturday, October 19, 2013
Video - Richard Branson on the Need to Protect the Arctic
In this video, Richard Branson, explains why we all have to do everything within our power to protect the Arctic.
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Video - The Arctic is Under Threat from Shell and Gazprom
The fossil fuel companies Shell and Gazprom have ambitious plans to exploit the Arctic's oil and gas reserves. Scientists have made it clear that to avoid the worst impacts of a hot planet (ie 6 degree temperature increase) we must leave the vast majority of carbon reserves underground. Arctic drilling increases global warming and imperils Arctic ecology. We know that drilling for oil and gas inevitably leads to spills. To make matters worse Gazprom's old and outdated drilling equipment present an elevated level of risk. Drilling in the Arctic will devastate the region's fragile ecosystem which is already suffering from a warming world.
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Saturday, September 14, 2013
Video - The Global Implications of Rapid Climate Change in the Arctic
Paul Beckwith is a part time professor at the University of Ottawa and a post graduate studying and researching abrupt climate change, with a focus on the arctic.
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Friday, September 13, 2013
Ice Ride: Critical Mass for the Arctic
On September 15, 2013, people across Canada are going on an Ice Ride for the Arctic. Join us in helping to build a critical mass of support for the protection of the Arctic. Whether you bike,
roller blade or skate board, get involved this Sunday September 15th and bring your family and friends in a ride for the
Arctic. This is but one of many events taking place for the national event known as "A Day of Arctic Action."
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Friday, August 16, 2013
Geothermal Heating Accelerating Greenland's Ice Melt
Everyone who follows the issue of melting ice knows that Northern ice is melting, but a new study shows that it is not only melting from above due to global warming, it is also melting from below. The fact that the ice is melting from above and below has important implications for scientific models.
The international research initiative IceGeoHeat led by the GFZ German Research Centre for Geosciences published their research in Nature Geoscience. The continental ice sheets play a central role in climate. GFZ scientists Alexey Petrunin and Irina Rogozhina have created a model which calculates ice melt from geothermal forces.
The international research initiative IceGeoHeat led by the GFZ German Research Centre for Geosciences published their research in Nature Geoscience. The continental ice sheets play a central role in climate. GFZ scientists Alexey Petrunin and Irina Rogozhina have created a model which calculates ice melt from geothermal forces.
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Saturday, August 3, 2013
Video - Massive Costs Associated with Arctic Methane
Global warming has been melting the permafrost for decades and this is releasing methane, a potent greenhouse gas. The implications for the economy are staggering as associated costs are expected to be in excess of 60 trillion. To put this number in perspective the global economy was valued at 70 trillion in 2012.
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Video - Unlocking Methane in the Permafrost is a Global Warming Time Bomb
Methane has been locked in the permafrost of the far north for thousands of years, but it is being released because of the thaw associated with global warming. The permafrost has been thawing rapidly over the last three decades and if this trend continues the consequences could be catastrophic. Referred to as a methane pulse, vast amounts of this destructive GHG could be released into the atmosphere. This will profoundly exacerbate global warming and may push us pass irreversible tipping points.
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Thursday, August 1, 2013
The Race to Exploit the Arctic's Resources Ignores the Costs
Rather than just look myopically at the economic benefits of melting Arctic ice we need to calculate the economic impacts. As explained in a recent report, the disastrous economic impacts of a warming Arctic are not being adequately investigated. Neither the World Economic Forum (WEF) in its Global Risk Report nor the International Monetary Fund (IMF) in its World Economic Outlook recognizes the potential economic threat from changes in the Arctic.
Melting Arctic ice is exposing vast mineral deposits as well as 30 percent of the worlds as yet untapped gas and 13 percent of untapped oil. We can also expect an ice free Arctic to give way to a number of new shipping routes. Lloyd’s of London has estimated that in the next decade we could see $100 billion investment the Arctic.
Melting Arctic ice is exposing vast mineral deposits as well as 30 percent of the worlds as yet untapped gas and 13 percent of untapped oil. We can also expect an ice free Arctic to give way to a number of new shipping routes. Lloyd’s of London has estimated that in the next decade we could see $100 billion investment the Arctic.
Wednesday, July 31, 2013
White Paper - Oil Spills in Arctic Waters
This White Paper is a compilation of research on oil spills in ice-covered Arctic waters and it offers suggestions for future study. It is subtitled, "An Introduction and Inventory of Research Activities and USARC Recommendations." The authors identify research entities in governmental, nongovernmental,
industrial, and private organizations, and provide
an inventory of research projects.
Given that much work is currently in progress, they provide only a snapshot in time, and an introduction to the topic. While an in-depth evaluation of the research results, a prioritization of research and development gaps, and a critical examination of the connection between research and oil spill response capability are undoubtedly important topics, they are beyond the scope of this effort.
Given that much work is currently in progress, they provide only a snapshot in time, and an introduction to the topic. While an in-depth evaluation of the research results, a prioritization of research and development gaps, and a critical examination of the connection between research and oil spill response capability are undoubtedly important topics, they are beyond the scope of this effort.
Tuesday, July 30, 2013
More Evidence that Arctic Warming is an Economic and Ecological Time Bomb
Although our understanding of the Arctic is far from complete, there is a growing body of evidence that suggests melting Arctic ice will free massive deposits of methane locked in the permafrost of the far north. This represents an unprecedented danger both economically and ecologically. The latest evidence for this ticking time bomb was presented in a report by Gail Whiteman, Chris Hope & Peter Wadhams presented in the journal Nature.
Melting Arctic ice is expected to have far reaching impacts well beyond the far north. One of the most grievous threats comes from the release of methane trapped in the permafrost beneath the East Siberian Sea. The authors estimate that the cost of a massive methane release off the northern coast of Russia alone is $60 trillion. This is a startling figure when we consider that the value of the global economy in 2012 was estimated to be $70 trillion.
Melting Arctic ice is expected to have far reaching impacts well beyond the far north. One of the most grievous threats comes from the release of methane trapped in the permafrost beneath the East Siberian Sea. The authors estimate that the cost of a massive methane release off the northern coast of Russia alone is $60 trillion. This is a startling figure when we consider that the value of the global economy in 2012 was estimated to be $70 trillion.
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Monday, July 1, 2013
Happy Canada Day?: Melting Arctic Ice and Flooding
As we look back on the year that was this Canada Day, we are faced with two historic environmental disasters: Melting Arctic ice and floods in Alberta. It appears likely that the largest Arctic ice melt in recorded history may be changing weather patterns including the worst floods in Alberta's history.
In June, flooding killed four people and forced more than 100,000 out of their homes in Southern Alberta. Over the period of 24 hours 100mm of rain fell in many areas of Alberta, with some locations in the foothills seeing almost 200mm. The heavy rains, combined with the melting snow pack in the mountains caused widespread flooding along the Bow and Elbow rivers. The Bow and Elbow rivers saw flows that were five to ten times the normal rate.
Very slow moving weather systems significantly increased the amount of rain which fell on Southern Alberta which may have been a result of changes in the jet stream attributable to Arctic ice melt. According to a study by Rutgers University, the jet stream has slowed down by about 14 percent since the 1990s.
In June, flooding killed four people and forced more than 100,000 out of their homes in Southern Alberta. Over the period of 24 hours 100mm of rain fell in many areas of Alberta, with some locations in the foothills seeing almost 200mm. The heavy rains, combined with the melting snow pack in the mountains caused widespread flooding along the Bow and Elbow rivers. The Bow and Elbow rivers saw flows that were five to ten times the normal rate.
Very slow moving weather systems significantly increased the amount of rain which fell on Southern Alberta which may have been a result of changes in the jet stream attributable to Arctic ice melt. According to a study by Rutgers University, the jet stream has slowed down by about 14 percent since the 1990s.
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