New model agrees with old: Nuclear war between US and Russia would result in nuclear winter

phys.org | 8/8/2019 | Staff
adele2234 (Posted by) Level 3
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A team of researchers with Rutgers University, the National Center for Atmospheric Research and the University of Colorado has found that a new climate model agrees with an older climate model—a nuclear war between the U.S and Russia would result in a nuclear winter. They have published their findings in the Journal of Geophysical Research: Atmospheres.

Most people who lived through the nuclear age have heard of nuclear winter, in which global cooling would result from a major nuclear war. Early fears of such an outcome have been bolstered by sophisticated computer models that showed what would happen if a large number of nuclear bombs were detonated in large urban areas. The planet would grow colder due to the huge amount of smoke generated by fires ignited by the atomic blasts—the smoke would cover the entire planet for years, blocking the sun.

Effort - Researchers - Number - Variables - Number

In this new effort, the researchers analyzed a large number of variables, such as estimated number of bombs, their strength, where they would blow up, and the amount of smoke that might be generated by each of them. In their analysis, they chose to look at the worst-case scenario, in which all of the atomic weapons held by both countries were used in an all-out nuclear war. In such a scenario, the researchers assumed that all of the bombs would land in either the U.S. or Russia.

The new model used by the researchers is called the Community Earth System Model-Whole Atmosphere Community Climate Model—version 4. All results...
(Excerpt) Read more at: phys.org
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