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Gao et al. 1999

Gao, R.S., Fahey, D.W., Del Negro, L.A., Donnelly, S.G., Keim, E.R., Neuman, J.A., Teverovskaia, E., Wennberg, P.O., Hanisco, T.F., Lanzendorf, E.J., Proffitt, M.H., Margitan, J.J., Wilson, J.C., Elkins, J.W., Stimpfle, R.M., Cohen, R.C., McElroy, C.T., Bui, T.P., Salawitch, R.J., Brown, S.S., Ravishankara, A.R., Portmann, R.W., Ko, M.K.W., Weisenstein, D.K. and Newman, P.A. (1999). A comparison of observations and model simulations of NO_x/NO_y in the lower stratosphere. Geophysical Research Letters 26: doi: 10.1029/1999GL900162. issn: 0094-8276.

Extensive airborne measurements of the reactive nitrogen reservoir (NOy) and its component nitric oxide (NO) have been made in the lower stratosphere. Box model simulations that are constrained by observations of radical and long-lived species and which include heterogeneous chemistry systematically underpredict the NOx(=NO+NO2) to NOy ratio. The model agreement is substantially improved if newly measured rate coefficients for the OH+NO2 and OH+HNO3 reactions are used. When included in 2-D models, the new rate coefficients significantly increase the calculated ozone loss due to NOx and modestly change the calculated ozone abundances in the lower stratosphere. Ozone changes associated with the emissions of a fleet of supersonic aircraft are also altered. ¿ 1999 American Geophysical Union

BACKGROUND DATA FILES

	Abstract

Keywords
Atmospheric Composition and Structure, Middle atmosphere—composition and chemistry, Atmospheric Composition and Structure, Chemical kinetic and photochemical properties

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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