Physics
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9511875a&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 95, July 20, 1990, p. 11875-11901.
Physics
3
Atmospheric Chemistry, Atmospheric Models, Isentropic Processes, Stratosphere, Transport Theory, Diurnal Variations, Photochemical Reactions, Three Dimensional Models
Scientific paper
This paper presents a new photochemical transport model designed to simulate the behavior of stratospheric trace species in the middle stratosphere. The model has an Eulerian grid with the latitude and longitude coordinates on a single isentropic surface (hemispheric or global), in which both the dynamical and the photochemical processes can be accurately represented. The model is intgegrated for 12 days with winds and temperatures supplied by three-dimensional integration of an idealized wavenumber-one disturbance. The results for the long-lived tracers such as N2O showed excellent correlation with the potential vorticity distribution, validating the transport scheme. Calculations with zonally averaged wind and temperature fields showed that discrepancies in the calculation of the zonal mean were less than 10 percent for O3 and HNO3, compared with the zonal mean of the previous results.
Austin John
Holton James R.
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