The ozone depletion is mostly severe in the antarctic

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The ozone depletion is mostly severe in the Antarctic area, which becomes the “ozone hole” (see figure 3&4). The “ozone hole” is growing , due to chlorine problem. As a matter of fact, there are a lot of ClO desolve in polar ice[10]. During spring time, when the sun starts to come out, energetic sunlight reacts on the surface of ice particles and releases the ClO in the ice. These ClO soon get splited into chlorine by sunlight and drifts into stratosphere and accelerates the ozone depletion. This is mainly how the “ozone hole” occurs during the spring time. With the concern to the “ozone hole” problem, the ACE mission provide strong evidence to show the relationship between CFCs and ozone depletion. With the datas provided by ACE mission we can see that the ozone depletion has been slow down, but not yet optimism. The ozone level is still far below the normal level. The ACE mission has been launched for 6 years[11], it provides a lot of datas helpful to deal with ozone depletion. The high-tech instruments FTS and MAESTRO measure the spectra of
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sunlight and relate the ultraviolet radiation to the level of ozone depletion. With the datas provided, we found that ozone depletion has been leveled off, but there is still much to do. Figure 1 Figure 2 Figure 3 Figure 4 Reference: [1]: [2]:
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[3]: [4]: [5]: [6]: [7]: Table 9.1, Page 202 PHYSICS Concepts & Connections 4 th Edition [8]: [9]: [10]: [11]:
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  • Spring '08
  • Abraham
  • Ultraviolet, Ozone depletion, Ozone layer

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