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Signs of recovery in atmospheric ozone.(Ultraviolet Radiation)(Brief article)
Various concentrations of atmospheric ozone--which protects Earth from the sun's ultraviolet radiation--are displaying signs of recovery in the most important regions of the stratosphere above the mid-latitudes in the Northern and Southern hemispheres, shows a NASA-funded study by the Georgia Institute of Technology, Atlanta.
"We do think we're on the road to recovery of stratospheric ozone, but what we don't know is exactly how that recovery will happen," explains Derek Cunnold, professor of earth and atmospheric sciences. "Many in the scientific community think it will be at least 50 years before ozone levels return to the pre-1980 levels when ozone began to decline."
The study's data indicates that atmospheric ozone has stopped decreasing in one region and actually is increasing in the other of the two most important regions in ...
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...lamps and sunbeds that give off ultraviolet radiation. The Commission's Scientific...has concluded that "the use of ultraviolet radiation devices clearly increases the risk...properties of natural and artificial ultraviolet radiation, the intensity of radiation does...
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Ultraviolet radiation from the sun causes a considerable global...life are lost every year due to excessive ultraviolet radiation exposure. While the report noted that ultraviolet radiation does have such beneficial effects as producing...
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...biologically relevant" levels of ultraviolet radiation reaching the ground as a result...which blocks much of the sun's ultraviolet radiation, is beginning to cause the potentially...significant enhancement in UV {ultraviolet} radiation reaching the ground that is linked...
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Introduction Ultraviolet radiation (UVR) is one portion of...gamma rays, * X-rays, * ultraviolet radiation, * visible radiation...thermal injury) (2). Ultraviolet radiation and other forms of EMR are...
Source: HighBeam Research, Signs of recovery in atmospheric ozone.(Ultraviolet Radiation)(Brief...