Sentences with phrase «ozone loss predicted»
The ozone losses predicted in the study are much larger than losses estimated in previous «nuclear winter» and «ultraviolet spring» scenario calculations following nuclear conflicts -LSB-...] A 1985 National Research Council Report predicted a global nuclear exchange involving thousands of megatons of explosions, rather than the 1.5 megatons assumed in the PNAS study, would deplete only 17 percent of the Northern Hemisphere's stratospheric ozone, which would recover by half in three years.
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«Accordingly, it is impossible to predict the potential severity of ozone losses in a future climate.»
Although this year's ozone loss has been unprecedented, it was not unexpected - scientists had predicted that such cold conditions in the stratosphere would lead to increased ozone loss.
They found that average daily ozone loss was around 50 % more than predicted by a state - of - the - art chemistry model that excludes halogen chemistry.
«The big surprise is that this study demonstrates that a small - scale, regional nuclear conflict is capable of triggering ozone losses even larger than losses that were predicted following a full - scale nuclear war.»