Part 1 of Essay
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 ult ....

Part 2 of Essay
.... the stratosphere and breakdown to release chlorine. Chlorine by itself is a very stable compound, but when in the stratosphere it binds to and destroys ozone. This is a cyclic process and therefor means that one chlorine can destroy many ozone molecules (Figure 1.2) During the winter in the Antarctic the circumpolar vortex, which is a strong westerly circulation around the continent, builds in the stratosphere. This phenomenon causes the interior of the stratosphere to be cut off and the temperatures d ....