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xx Another Dire Warning
« Thread started on: Feb 6th, 2018, 2:22pm »

A Ticking Time Bomb of Mercury Is Hidden Beneath Earth's Permafrost


By Brandon Specktor, Senior Writer
February 6, 2018

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Climate change could unleash 15 million gallons of mercury trapped in permafrost. And that's just in the Northern Hemisphere. Credit: TheVagabond V.Schaal/Shutterstock

When the mercury's rising in your thermometer, it may also be rising in the ocean.

According to a new study published Feb. 5 in the journal Geophysical Research Letters, theremay be more than 15 million gallons (58 million liters) of mercury buried in the permafrost of the Northern Hemisphere roughly twice as much mercury as can be found in the rest of Earth's soils, ocean and atmosphere combined. And if global temperatures continue to rise, all that mercury could come pouring out.

In geology, permafrost is defined as any soil that has been frozen for more than two years. In the Northern Hemisphere, permafrost accounts for about 8.8 million square miles (22.79 million square kilometers) of land or roughly 24 percent of exposed Earth, according to the National Snow and Ice Data Center. Over time, naturally occurring compounds in the atmosphere, such as mercury and carbon dioxide, can bind with organic material in the soil and be frozen into permafrost, potentially remaining trapped underground for thousands of years before it thaws, the new paper said.

In the study, researchers drilled 13 permafrost soil cores from various sites in Alaska between 2004 and 2012. Then, they measured the total amounts of mercury and carbon in each sample, which proved consistent with thousands of other soil cores taken from other sites around the world, the paper said. Using the mercury contents of their 13 cores as a springboard, the researchers estimated the total amount of mercury sealed away below North American permafrost to be roughly 793 gigagrams or more than 15 million gallons.

"There would be no environmental problem if everything remained frozen, but we know the Earth is getting warmer," study author Paul Schuster, a hydrologist at the U.S. Geological Survey in Boulder, Colorado, said in a statement. "This discovery is a game-changer."

Researchers have already observed climate-change-induced permafrost thawing, and there is likely more on the way: According to a 2013 study, the Northern Hemisphere will lose anywhere from 30 to 99 percent of its permafrost by 2100, assuming current human greenhouse-gas emissions continue unabated.

Previous studies have attempted to account for the billions of tons of carbon dioxide, methane and even "zombie pathogens" that could be loosed into the air and the oceans by melting permafrost. The environmental impact of a large-scale mercury leak, however, remains an unpredictable problem.

"One major concern is that this trapped mercury could seep into nearby waterways and transform into methylmercury, a toxin that can cause motor impairment and birth defects in animals," Edda Mutter, science director for the Yukon River Inter-Tribal Watershed Council, said in a statement. "Such contamination could travel swiftly up the food chain from microorganisms to humans," said Mutter, who was not involved in the new study.

"Rural communities in Alaska and other northern areas have a subsistence lifestyle, making them vulnerable to methylmercury contaminating their food supply," Mutter added.

The researchers are currently working on a follow-up study modeling the release of permafrost due to climate change, according to the statement.

https://www.livescience.com/61665-mercury-permafrost-climate-change.html

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xx Re: Another Dire Warning
« Reply #1 on: Feb 6th, 2018, 4:51pm »

Horrific..these folx in meantime are racing to control the arctic..like they have forever and a day granted to them sad
If I didn't know better I'd swear they were already contaminated

https://www.cnbc.com/2018/02/06/russia-and-china-battle-us-in-race-to-control-arctic.html

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« Last Edit: Feb 6th, 2018, 4:58pm by Sys_Config » User IP Logged

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xx Re: Another Dire Warning
« Reply #2 on: Feb 6th, 2018, 9:57pm »

I will add this to the list of Yellowstone, the poles flipping, nuclear war, flu outbreak, asteroids, etc.
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xx Re: Another Dire Warning
« Reply #3 on: Feb 7th, 2018, 06:50am »

on Feb 6th, 2018, 9:57pm, Nyx wrote:
I will add this to the list of Yellowstone, the poles flipping, nuclear war, flu outbreak, asteroids, etc.


Murphy's Law..Anything that can go wrong..will go wrong
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