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Computer predictions of photochemical oxidant levels for initial precursor concentrations characteristic of southeastern Virginia

Author
Wakelyn, N. T.
Published
Jun 1, 1979.
Physical Description
1 electronic document
Additional Creators
Mclain, A. G.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
A computer study was performed with a photochemical box model, using a contemporary chemical mechanism and procedure, and a range of initial input pollutant concentrations thought to encompass those characteristic of the Southeastern Virginia region before a photochemical oxidant episode. The model predictions are consistent with the expectation of high summer afternoon ozone levels when initial nonmethane hydrocarbon (NMHC) levels are in the range 0.30-0.40 ppmC and NOx levels are in the range 0.02-0.05 ppm. Calculations made with a Lagrangian model, for one of the previously calculated cases, which had produced intermediate afternoon ozone levels, suggest that urban source additions of NMHC and NOx exacerbate the photochemical oxidant condition.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19790019546.
Accession ID: 79N27717.
NASA-TM-80111.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15725062