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2012-06-13. Do volcanoes destroy the ozone layer? |

posted Aug 26, 2012, 12:12 PM by Alan Gould
by AmazingPlanet Staff, The Christian Science Monitor. An article relevant to GSS Ozone chapter 2. Excerpt: A large eruption in the volcanically active region of Central America could release enough ozone-depleting gases to significantly thin the ozone layer for several years, researchers announced today (June 12). Such a volcanic eruption could double or triple the current levels of the chemical elements bromine and chlorine in the stratosphere, the upper atmosphere layer where ozone gas protects us from ultraviolet radiation, the researchers calculated, based on the levels of these chemicals released from 14 volcanoes in Nicaragua over the past 70,000 years.  The researchers presented their work at a scientific conference in Iceland.…. Read the full article: http://www.csmonitor.com/Science/2012/0613/Do-volcanoes-destroy-the-ozone-layer