A comparison of observations and model simulations of NO_x/NO_y in the lower stratosphere

Authors

R. S. Gao, National Oceanic and Atmospheric AdministrationFollow
D. W. Fahey, National Oceanic and Atmospheric Administration
L. A. Del Negro, National Oceanic and Atmospheric AdministrationFollow
Stephen G. Donnelly Ph.D., National Oceanic and Atmospheric AdministrationFollow
E. R. Keim, Aerospace Corporation, USA
J. A. Neuman, National Oceanic and Atmospheric Administration
E. Teverovskaia, National Oceanic and Atmospheric Administration
P. O. Wennberg, Division of Geological and Planetary Sciences
T. F. Hanisco, Harvard University
E. J. Lanzendorf, Harvard University
M. H. Proffitt, National Oceanic and Atmospheric Administration
J. J. Margitan, Jet Propulsion Laboratory
J. C. Wilson, University of Denver
J. W. Elkins, National Oceanic and Atmospheric AdministrationFollow
R. M. Stimpfle, Harvard University
R. C. Cohen, University of California, BerkeleyFollow
C. T. McElroy, Environment Canada
T. P. Bui, NASA Ames Research Center
R. J. Salawitch, Jet Propulsion Laboratory
S. S. Brown, National Oceanic and Atmospheric Administration
A. R. Ravishankara, National Oceanic and Atmospheric Administration
R. W. Portmann, National Oceanic and Atmospheric Administration
M. K.W. Ko, Atmospheric and Environmental Research, Inc.
D. K. Weisenstein, Atmospheric and Environmental Research, Inc.
P. A. Newman, NASA Goddard Space Flight Center

Abstract

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. Copyright 1999 by the American Geophysical Union.

Document Type

Article

Source Publication

Geophysical Research Letters

Version

Published version

DOI

10.1029/1999GL900162

Publication Date

1-1-1999

Volume

26

Issue

8

First Page

1153

Last Page

1156

Rights

© American Geophysical Union

Comments

For questions contact ScholarsRepository@fhsu.edu

Recommended Citation

Gao, R. S., Fahey, D. W., Negro, L. A. D., 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., … Newman, P. A. (1999). A comparison of observations and model simulations of NOx/NOy in the lower stratosphere. Geophysical Research Letters, 26(8), 1153–1156. https://doi.org/10.1029/1999GL900162