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Outline the different techniques and methods of data collection used to investigate the chemistry of the stratosphere
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Salters Chemistry Open-book Examination: March, 1997: Ozone and CFCs Ozone is present in the atmosphere in only small amounts, dispersed among other atmospheric gases. Over time, the amount of ozone in the atmosphere has decreased and can be linked to CFCs. Section 1: Outline the different techniques and methods of data collection used to investigate the chemistry of the stratosphere Monitoring involves finding out what chemical species are present in the stratosphere and at what concentrations and includes analysing the air by a form of spectroscopic technique. Measurements can be taken from helium balloons, from satellites and from high altitude planes (Gwen & Mike Pilling 'Do CFCs destroy the ozone layer?' from Chemistry Review, March 1993). Measurements can also be taken from a ground station such as during the British Antarctic Study. Here spectroscopic measurements were taken looking upward through the whole vertical column of air (Gwen & Mike Pilling 'Do CFCs destroy...
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