Ozone Depletion in the Antarctic Ozone measurements in the Antarctic began during the mid 1950's. In 1985, the discovery of the springtime ozone hole over the Antarctic established that our understanding of the atmosphere was far from complete. This has created a growing concern for scientists in the Antarctic and around the world. The evidence of ultraviolet radiation (UVR) increasing and damaging the earth's surface and primary producing organisms verified this concern. Today the estimated size of the ozone hole is 10 million square miles compared to last year's 7.5 million square miles (Figure 1.1). There are many hypotheses about the cause of the ozone hole over the Antarctic, but the one that is regarded as most probable by the scientific community is that the hole was created by man made substances. These substances are chlorofluorocarbo....

Number Of Pages: 7

Number Of Words: 1734

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