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RECORD NUMBER: 298 OF 731

OLS Field Name OLS Field Data
Main Title Estimating Natural Emissions for EPA's Regional Oxidant Model.
Author Pierce, T. E. ; Novak., J. H. ;
CORP Author National Oceanic and Atmospheric Administration, Research Triangle Park, NC. Air Resources Lab.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab.
Publisher 1991
Year Published 1991
Report Number EPA/600/D-91/286;
Stock Number PB92-129592
Additional Subjects Natural emissions ; Air pollution sources ; Photochemical reactions ; Mathematical models ; Atmospheric chemistry ; Study estimates ; Three-dimensional calculations ; Nitrogen oxides ; Concentration(Composition) ; Non-methane hydrocarbons ; Vegetation ; Biomass ; Regional Oxidant Model ; Eastern Region(United States)
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NTIS  PB92-129592 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 08/28/1992
Collation 14p
Abstract The paper documents the methodology used to estimate natural sources of nitrogen oxide (NOx) and nonmethane hydrocarbon (NMHC) emissions in the Regional Oxidant Model (ROM). The ROM is a three-dimensional photochemical grid model designed to simulate hourly concentrations of ozone and related chemical species. The current operational version of the model accepts anthropogenic and natural emissions on a grid cell resolution of 1/6 deg latitude by 1/4 deg longitude (approximately 18.5 km by 18.5 km). Sources that are simulated include NO emissions from lightning and soil microbial activity, and NMHC emissions from vegetation. Estimates made for the eastern United States indicate that biogenic NMHC emissions are larger than anthropogenic NMHC emissions. Natural sources of NO, however, are less than one-tenth the size of anthropogenic NOx emissions.
Supplementary Notes See also PB91-119669 and PB91-171918. Presented at Environmental Protection Agency/Air and Waste Management Association International Specialty Conference on Emission Inventory Issues in the 1990's, Durham, NC., September 9-12, 1991. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab.
NTIS Title Notes Interim rept. Jun 91-Nov 91.
Category Codes 68A; 55E; 55B; 99E; 91A
NTIS Prices PC A03/MF A01
Primary Description 600/09
Document Type NT
Cataloging Source NTIS/MT
Control Number 205223925
Origin NTIS
Type CAT