|We are looking for Europeans of different nationalities that can speak about the refugee invasion in your country and how this REALLY is affecting you. Are you in Hungary, Greece, Germany, France, Italy, Austria or another country being heavily invaded? Please reach out: email@example.com or @rediceradio We want to speak with you!|
Methane bubbles in Arctic seas - more questions, fewer answers
By Alister Doyle | Reuters.com
Large amounts of a powerful greenhouse gas are bubbling up from a long-frozen seabed north of Siberia, raising fears of far bigger leaks that could stoke global warming, scientists said.
It was unclear, however, if the Arctic emissions of methane gas were new or had been going on unnoticed for centuries -- since before the Industrial Revolution of the 18th century led to wide use of fossil fuels that are blamed for climate change.
The study said about 8 million tonnes of methane a year, equivalent to the annual total previously estimated from all of the world’s oceans, were seeping from vast stores long trapped under permafrost below the seabed north of Russia.
"Subsea permafrost is losing its ability to be an impermeable cap," Natalia Shakhova, a scientist at the University of Fairbanks, Alaska, said in a statement. She co-led the study published in Friday’s edition of the journal Science.
The experts measured levels of methane, a gas that can be released by rotting vegetation, in water and air at 5,000 sites on the East Siberian Arctic Shelf from 2003-08. In some places, methane was bubbling up from the seabed.
Previously, the sea floor had been considered an impermeable barrier sealing methane, Shakhova said. Current methane concentrations in the Arctic are the highest in 400,000 years.
"No one can answer this question," she said of whether the venting was caused by global warming or by natural factors. But a projected rise in temperatures could quicken the thaw.
"It’s good that these emissions are documented. But you cannot say they’re increasing," Martin Heimann, an expert at the Max Planck Institute for Biogeochemistry in Germany who wrote a separate article on methane in Science, told Reuters.
"These leaks could have been occurring all the time" since the last Ice Age 10,000 years ago, he said. He wrote that the release of 8 million tonnes of methane a year was "negligible" compared to global emissions of about 440 million tonnes.
Shakhova’s study said there was an "urgent need" to monitor the region for possible future changes since permafrost traps vast amounts of methane, the second most common greenhouse gas from human activities after carbon dioxide.
Monitoring could resolve if the venting was "a steadily ongoing phenomenon or signals the start of a more massive release period," according to the scientists, based at U.S., Russian and Swedish research institutions.
The release of just a "small fraction of the methane held in (the) East Siberian Arctic Shelf sediments could trigger abrupt climate warming," they wrote.
The shelf has sometimes been above sea level during the earth’s history. When submerged, temperatures rise by 12-17 degrees Celsius (22-31 F) since water is warmer than air. Over thousands of years, that may thaw submerged permafrost.
About 60 percent of methane now comes from human activities such as landfills, cattle rearing or rice paddies. Natural sources such as wetlands make up the rest, along with poorly understood sources such as the oceans, wildfires or termites.
Most studies about methane focus on permafrost on land. But the shelf below the Laptev, East Siberian and Russian part of the Chuckchi sea is three times the size of Siberia’s wetlands.
Article from: Reuters.com
Also tune into:
Peter Taylor - The Corporatization of the Environmental Movement
Tim Ball - Climategate & The Anthropogenic Global Warming Fraud
James Follett - The Church of Global Warming
Jerry E. Smith - Global Warming
Jerry E. Smith - The "Green" Conspiracy
Michael Coffman - Global Warming Science
Michael Coffman - Global Governance
David Icke - The Global Conspiracy
Fears of Undersea Methane Leaks Already Coming True
Has Methane Started Venting From Seafloor?
Mars May Still Be A Living Planet, Methane In Atmosphere Reveals
Baby girl survives after being shot in the chest in parents’ ’global warming suicide pact’
75 Reasons to be Skeptical of "Global Warming"
Former IPCC Chair: IPCC Has a Warming "Bias"
Climategate U-turn as scientist at centre of row admits: There has been no global warming since 1995
The Church of Global Warming
Latest News from our Front Page
Muslim Rape Gang in Rhode Island
2 Mohammeds, a Yazeed, & a Tareq accused of raping two 18 year old female Johnson & Wales students:
By Amanda Milkovits, Lynn Arditi, Providence Journal, Oct 7, 2015 (thanks to Andy Bostom)
PROVIDENCE, R.I. — Four male Johnson & Wales University students have been arrested in connection with a reported sexual assault and alleged drugging of two female students at the university.
South Carolina city to pay $6.5 million over police shooting of black man
The family of an unarmed black man shot in the back by a white police officer will get a $6.5 million settlement from North Charleston in South Carolina, city officials said on Thursday.
The man, Walter Scott, 50, was shot after fleeing a traffic stop in April. The shooting was caught on a bystander's video and reignited a national outcry over ...
Finally, The CIA Admits Covering Up JFK Assassination
Suspicions that the CIA covered up JFK’s murder have finally been confirmed, according to an explosive Politico report out this week. Fifty-two years after the President’s death, declassified documents show that the CIA were in communication with alleged assassin Lee Harvey Oswald before JFK’s murder in 1963, and they were monitoring his mail since 1959.
Not only that but John McCone, who was Chief of the ...
More Great Media Moments in Muslim Achievement: Headscarf Lady Wins Bakeoff In Britain
Last month, America rejoiced when a 14-year-old Muslim lad in Irving, Texas discovered time, thus solving the universe’s ongoing problem that everything happens at once. This month, Britain is exulting that a Muslim lady can cook better than most Brits. From the New York Times:
Muslim Winner of Baking Contest Defies Prejudice in Britain
By Dan Bilefsky, OCT. 8, 2015
LONDON — Prime Minister ...
Israelis Declare Carrying Firearms Helpful in Preventing 'Lone Wolf' Attacks
In the wake of several “lone wolf” attacks, the Israeli government is encouraging citizens to carry personal firearms with them at all times while in public. The attacks have been conducted by Palestinians wielding nothing more than knives, but have struck terror into the heart of Israel.
During the attacks, which are being conducted in reprisal for a long series of ...
|More News » |