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Science 7 September 1984:
Vol. 225. no. 4666, pp. 1028 - 1030
DOI: 10.1126/science.225.4666.1028
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Articles

Computer Simulations of the Atmospheric Chemistry of Sulfate and Nitrate Formation

CHRISTIAN SEIGNEUR 1, PRADEEP SAXENA 1, and PHILIP M. ROTH 1

1 Systems Applications, Inc., 101 Lucas Valley Road, San Rafael, California 94903

Simulations of the atmospheric chemistry of sulfate and inorganic nitrate formation have been carried out by means of a detailed gas phase—liquid phase chemical kinetic mechanism. Consideration has been given to the effect of changes in sulfur dioxide, nitrogen oxides, and reactive hydrocarbon concentrations on sulfate and nitrate formation for conditions typical of the midwestern and northeastern United States. The results indicate significant nonlinearities in the chemistry of acid formation, particularly between sulfur dioxide and sulfate concentrations.

Submitted on January 17, 1984
Accepted on May 3, 1984

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Science. ISSN 0036-8075 (print), 1095-9203 (online)