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Volcanic Winter Has Happened Before

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Our most recent article about the most recent minor eruptions at Yellowstone briefly touched on the mitigation process this type of disaster entails and the evacuation efforts that would need to be made for millions before a supervolcano were to erupt. This brings to mind an even greater question of how the world governments would be able to feed and care for citizens without the help of the sun.

Following a massive volcanic eruption, and especially in the case of a supervolcano erupting, the eruption would blast 240 cubic miles of rock, dust and volcanic ash into the sky. This would spread throughout the world and lower global temperatures by up to 28 degrees for years and cause what scientists refer to as volcanic winter. Due to the debris and ash spewing into the atmosphere, the sun will be blocked, and crops would not be able to grow. As a result, this would cause worldwide famine. Additionally, abnormal rainfall will cause major rivers around the world to flood.

This Has Happened to the World Already

In 1816, a similar situation arose when the world experienced a decrease in global temperatures caused by a volcanic eruption and caused major food shortages and famine. The anomaly was predominantly due to a volcanic winter event caused by the massive 1815 eruption of Mount Tambora in the Dutch East Indies. This event was exacerbated by a previous eruption in 1814 of Mayon in the Philippines. Adding to this dire time, the world was already in a centuries-long period of global cooling that began in the 14th century, and the volcanic eruptions in the early 1800’s only added to the agricultural distress in Europe. Failed harvests were widespread and deeply felt.

“Food riots broke out in the United Kingdom and France, and grain warehouses were looted. The violence was worst in landlocked Switzerland, where famine caused the government to declare a national emergency. Huge storms and abnormal rainfall with flooding of Europe’s major rivers (including the Rhine) are attributed to the event, as is the August frost. A major typhus epidemic occurred in Ireland between 1816 and 1819, precipitated by the famine caused by the Year Without a Summer. An estimated 100,000 Irish perished during this period.”

A Blueprint For Surviving Volcanic Winter

To prevent history from repeating itself, scientists have been searching for ways to feed the world without the help of the sun.

“At least two scientists have already sketched out a blueprint. In their 2015 book Feeding Everyone No Matter What, David Denkenberger and Joshua Pearce propose several ways to feed billions of people without the help of the sun.

Denkenberger, an architectural engineer at Tennessee State University in Nashville, started moonlighting as a catastrophe researcher a few years ago after reading that fungi may have thrived after previous mass extinctions. If humans ever face a similar threat, he thought, ‘Why don’t we just eat the mushrooms and not go extinct?’

Indeed, people could grow mushrooms on leaf litter and on the trunks of trees killed by the disaster, Denkenberger says. Even better would be raising methane-digesting bacteria on diets of natural gas, or converting the cellulose in plant biomass to sugar, a process already used to make biofuel. Denkenberger and Pearce—an engineering professor at Michigan Technological University in Houghton—calculate that by retrofitting existing industrial plants, survivors of the catastrophe could produce enough of such alternative foods to feed the world’s population several times over.

Of course, a few other ingredients would have to survive as well: infrastructure, international cooperation, and the rule of law. Whether human society endures or snaps is the unknown on which everything else could hinge, says Seth Baum, executive director of the Global Catastrophic Risk Institute in New York City, a nonprofit think tank whose researchers include Denkenberger.

‘How would we fare? I think the only reasonable answer one can give to the question at this time is that we have absolutely no idea,’ Baum says. To him, social resilience after a catastrophe is just another question for scientists to address, instead of leaving it to dystopian writers and doomsday preppers.

Not that he has anything against survivalists. ‘As much as they might seem silly on television, I’m actually a little happier knowing that there are people out there doing that stuff,’ Baum says. He quickly adds, ‘Hopefully, it’ll never come down to just that.’”

Source: ScienceMag.org

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The post Volcanic Winter Has Happened Before appeared first on LewRockwell.



Source: http://freedombunker.com/2018/04/11/volcanic-winter-has-happened-before/


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