Abstract
Several important aspects of the chemistry of the polluted troposphere are discussed in terms of the elementary reactions involved. First, the mechanism of ozone generation in the polluted atmosphere is reviewed briefly. Limitations on the use of the approximate photostationary state equation, [O3] [NO]/[NO2] ≃ k1/k3, are discussed. Then the effects of the levels of the impurities, NO, N02, CO, hydrocarbons, and aldehydes on the maximum ozone development are considered through computer modelling of the chemistry of simulated atmospheres. These results are used to illustrate the development of control strategy for ozone in the polluted troposphere. The simulations are used also to predict the transformations and product distributions of nitrogen-containing products resulting from the oxidation of NO and NO2 in the atmosphere. Finally the mechanisms of acid development in the polluted atmosphere are considered.The effect of the various pollutant levels on some of the important homogeneous and heterogeneous pathways for S02 oxidation are considered from the standpoint of the elementary steps involved. Interrelationships between the homogeneous and heterogeneous pathways of S02 oxidation are noted.
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References
The basic data (both chemical and meteorological) from 35 days of operation of the LARPP study have been archived on magnetic tape and are available from the U.S. National Technical Information Service, Washington, D.C. Some detailed considerations of the chemical data from one day of the operation (Operation #33) appear in the following articles:
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Calvert, J.G. (1982). The Chemistry of the Polluted Troposphere. In: Georgii, H.W., Jaeschke, W. (eds) Chemistry of the Unpolluted and Polluted Troposphere. NATO Advanced Study Institutes Series, vol 96. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7918-5_17
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DOI: https://doi.org/10.1007/978-94-009-7918-5_17
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