Mathematical modeling of photochemical air pollution

Creators: McRae, Gregory J.; Goodin, William R.; Seinfeld, John H.

Abstract

A particularly serious problem facing densely populated areas is the environmental degradation caused by the presence of photochemical air pollution. The problem is both pervasive and difficult to control. An important element of any rational approach directed at attempting to improve the situation is a reliable means for evaluating the air quality impact of alternative control measures. This report presents such a capability in the form of a mathematical description of the production and transport of photochemical oxidants within an urban airshed.

Additional Information

© 1981 by Gregory John McRae. Final Report to the State of California Air Resources Board in Completion of Research Under ARB Contract Nos. A5-046-87 and A7-187-30. Completion of this research project would not have been possible without the assistance, advice and cooperation of a great number of individuals and organizations. Unfortunately it is not feasible to adequately acknowledge all the unique contributions and so, to those involved, the authors offer their sincere gratitude. There are however, some people who deserve special mention. Dr. John Seinfeld, the project supervisor and faculty advisor to Gregory J. McRae, has been a major source of inspiration. His scientific insights, thoughtful critiques and practical support have been invaluable. This work was carried out under the auspices of the Environmental Quality Laboratory. The enthusiastic support of its Director, Dr. Norman H. Brooks, and the technical contributions of: Glen Cass, James Tilden, Shohreh Gharib and Pamela McMurry are truly appreciated. The superb secretarial work of Patricia Houseworth and Carol Marr, together with the graphics executed by Philip Dube', greatly facilitated the preparation of this manuscript. Other staff members, both past and present, who have assisted with the report production include: Theresa Fall, Mary Ann Gray, Jeri Lucas, Dennis Petticoffer and Patricia Bankin. Some sections of the report are the results of collaborative studies involving other investigators. The objective analysis procedures and numerical analysis techniques were developed jointly with Dr. William Goodin. The formulation, testing and sensitivity analysis of the photochemical reaction mechanism was a cooperative venture that involved members of the Chemical Engineering Department: Dr. John Seinfeld, Stan Sander, Andrew Falls and Matsato Koda. Many staff members of the South Coast Air Quality Management District (SCAQMD) provided valuable assistance in compiling the needed emissions, air quality and meteorological data. The California Air Resources Board Research Division, its chief Dr. John Holmes, and the Air Quality Modeling Section: Andrew Ranzieri, Paul Allen, Praveen Arnar, Marna Johns, Kit Wagner and Timothy Woody have contributed immeasurably to the success of this venture. Financial support for the work was provided by the California Air Resources Board contracts A5-046-87 and A7-187-30*. Additional funding was met by a Department of Energy Institutional Grant EY-76-G-03-1035. The first author was sustained by Graduate Research Assistantships and Fellowships financed by grants and gifts to the Environmental Quality Laboratory. "A requirement of these contracts is that the following disclaimer be inserted, "The statements and conclusions in this report are those of the Contractor and not necessarily those of the State Air Resources Board. The mention of commercial products, their source, or their use in connection with material reported herein is not to be construed as either an actual or implied endorsement of such products."

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Submitted - TR000049-Executive-Summary.pdf

Submitted - TR000049-Report.pdf

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TR000049-Report.pdf

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