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Future sensitivity of NO/sub 2/ to hydrocarbon and NO/sub x/ controls : Results of photochemical diffusion modeling in the San Francisco Bay area

Author
DeMandel, R. E.
Published
United States : [publisher not identified], 1980.
Springfield, Va. : National Technical Information Service, [approximately 1980]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Duewer, W. H., Perardi, T. E., and Robinson, L. H.

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Summary
The application of a grid-based photochemical model to the problem of nitrogen dioxide (NO/sub 2/) simulation is reported. The performance of the Livermore Regional Air Quality model (LIRAQ) was evaluated with meteorological conditions of 5 November 1976, a day on which high NO/sub 2/ concentrations were observed. Statistical measures of model performance show that NO/sub 2/ and O/sub 3/ are predicted about as well as O/sub 3/ was on a previous prototype day chosen for high observed O/sub 3/. A sensitivity study was completed with 1985 source inventories to test the effect of HC and NO/sub x/ emission reductions on ambient NO/sub 2/ and O/sub 3/ levels. Reductions in HC only or NO/sub x/ only are about equally effective in reducing ambient NO/sub 2/. Simultaneous reduction of both precursors is slightly more effective. Reduction of HC only is clearly the most effective strategy for O/sub 3/ control. Simultaneous reduction of HC and NO/sub x/ is less effective, and reduction of NO/sub x/ alone significantly increases O/sub 3/ levels.
Report Numbers
UCRL-84135; CONF-800327-10
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: W-7405-ENG-48
OSTI Identifier 5595167
Research organization: California Univ., Livermore (USA). Lawrence Livermore Lab.
View MARC record | catkey: 45336857