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A simulation between the US war and Russia could plunge the world into a nuclear winter, confirmed a simulation, as tensions mounted after the withdrawal of the United States from the Nuclear Intermediate-Range Forces (INF) Treaty and the realization of 39, a mid-range cruise missile test.
Researchers from Rutgers University, the University of Colorado at Boulder and the National Center for Atmospheric Research have used a new climate model to simulate the evolution of the earth's atmosphere in case of total nuclear war between the two countries. According to a new study by NASA's Goddard Institute for Space in 2007, this study confirmed the findings that a nuclear war would have catastrophic consequences for the planet, plunging the Earth into a 10-year nuclear winter.
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Like this June 2019 report, the authors chose to examine the worst case scenario.
The latest study published in the Journal of Geophysical Research: Atmospheres, found that nuclear detonations would inject about 147 million tonnes (150 billion kilograms) of soot into the atmosphere.
This would then spread around the stratosphere, plunging the Earth into darkness and the nuclear winter a few weeks after bombs were dropped. According to the model, the soot would not be visibly removed for about seven years.
"In the first year after injection, global temperatures plummet more than 7[°C]The authors wrote in their article. Then, in persistent darkness, the Earth would see global temperatures drop by about 9 ° C. Weather phenomena would become more variable, with chain effects on the El Niño phenomenon. cycle.
Rainfall would decrease by around 30% worldwide in the months following the attacks, which would cause huge problems for food production.
"Models agree that a nuclear winter would follow a large-scale nuclear war between the United States and Russia," the authors write in their article, agreeing with previous studies to assert that "A large-scale nuclear attack would be suicidal for the country that decides to carry out such an attack."
"The use of nuclear weapons in this way by the United States and Russia would have disastrous consequences on the world.To completely eliminate the possibility of an environmental disaster resulting from a war." decision makers need to fully understand the serious consequences of nuclear war and act accordingly, "said the authors, without however specifying to what extent the fate of such an event would be sustainable for humanity. .
We currently have about 15,000 nuclear weapons stored around the world. Recent studies have shown that only about 100 nuclear warheads could plunge the world into the nuclear winter, which could kill up to 1 billion people.
"In the end, the reduction of nuclear arsenals and the final disarmament of all parties with nuclear capabilities are needed," the authors conclude.
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