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Mathematical modeling and control of the dry deposition flux of nitrogen-containing air pollutants

Russell, Armistead G. and Winner, Darrell A. and Harley, Robert A. and McCue, Kenneth F. and Cass, Glen R. (1993) Mathematical modeling and control of the dry deposition flux of nitrogen-containing air pollutants. Environmental Science and Technology, 27 (13). pp. 2772-2782. ISSN 0013-936X. http://resolver.caltech.edu/CaltechAUTHORS:20151224-114442121

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Abstract

An Eulerian grid-based air quality model has been modified to include a resistance-based dry deposition code. The magnitude and spatial distribution of the dry deposition flux of nitrogen-containing pollutants to the surface of the Los Angeles area was calculated as a function of land use. For August 1982 base case conditions, the dry deposition flux was 247 t of N per day (5 from NO, 49 from NO_2, 7 from PAN, 101 from HNO_3, 59 from NH_3, and 26 from NH4_NO_3), which corresponds to more than half of the daily NO_x emissions to the local atmosphere. The effects of emission controls on NO_x and hydrocarbon sources in Southern California as they existed in 1982 were examined. At the highest level of control studied (37% reactive hydrocarbon reduction, 61 % NO_x reduction), the nitrogen dry flux would be 174 t of N per day after control (2 from NO, 20 from NO_2, 7 from PAN, 58 from HNO_3, 75 from NH_3, and 12 from NH_4NO_3.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/es00049a016DOIArticle
http://pubs.acs.org/doi/abs/10.1021/es00049a016PublisherArticle
Additional Information:© 1993 American Chemical Society. Received for review February 9, 1993. Revised manuscript received May 19, 1993. Accepted June 28, 1993. This research was supported by the California Air Resources Board under Agreement A6-188-32 and by the Center for Air Quality Analysis at Caltech.
Group:Environmental Quality Laboratory
Funders:
Funding AgencyGrant Number
California Air Resources Board (CARB)A6-188-32
Caltech Center for Air Quality AnalysisUNSPECIFIED
Record Number:CaltechAUTHORS:20151224-114442121
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151224-114442121
Official Citation:Mathematical modeling and control of the dry deposition flux of nitrogen-containing air pollutants Armistead G. Russell, Darrell A. Winner, Robert A. Harley, Kenneth F. McCue, and Glen R. Cass Environmental Science & Technology 1993 27 (13), 2772-2782 DOI: 10.1021/es00049a016
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63246
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:05 Jan 2016 19:04
Last Modified:05 Jan 2016 19:04

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