Physics
Scientific paper
Nov 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.2737d&link_type=abstract
Geophysical Research Letters, Volume 24, Issue 22, p. 2737-2740
Physics
2
Atmospheric Composition And Structure: Chemical Kinetic And Photochemical Properties, Atmospheric Composition And Structure: Middle Atmosphere-Composition And Chemistry
Scientific paper
Box model sensitivity-uncertainty calculations for O3 depletion from supersonic aircraft emissions were performed at the most perturbed locale using localized outputs of the LLNL 2-D diurnally averaged assessment model. Processes controlling N2O5, catalytic O3 loss steps O+NO2 and HO2+O3. HOx sink reactions OH+HNO3/HNO4, and the O+O2 recombination that forms O3 are identified as the dominant photochemical uncertainty sources. Guided by local sensitivities, 2-D model runs were repeated with 9 targeted input parameters altered to 1/3 of their 1-σ uncertainties to put error-bounds on the predicted O3 change. Results indicate these kinetic errors can cause the predicted local O3 loss of 1.5% to be uncertain by up to 3% in regions of large aircraft NOx injection.
Connell Peter S.
Dubey Manvendra K.
Hartley Seth W.
Kinnison Douglas E.
Smith Gregory P.
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