Allen, Mark and Lunine, Jonathan I. and Yung, Yuk L.
(1984)
The vertical distribution of ozone in the mesosphere and lower thermosphere.
Journal of Geophysical Research D, 89
(D3).
pp. 4841-4872.
ISSN 0148-0227.
doi:10.1029/JD089iD03p04841.
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Abstract
An assessment is made of the ability of current theory to explain the phenomenology of upper atmospheric ozone as revealed by the sizeable body of measurements presently available. The chemistry of ozone in the mesosphere and lower thermosphere is closely coupled to the chemistries of other oxygen/hydrogen-containing species, which must be considered concurrently. To provide insight into the sensitivity of model calculations to the choice of values used for key chemical rate constants and climatological parameters, simple analytical expressions for ozone are derived for those situations when it is in photochemical steady state, the mesosphere during daylight hours and the lower thermosphere throughout the full diurnal period. The model is found to reproduce the detailed Aladdin 74 rocket measurements of ozone from 50 to 95 km, numerous other measurements of mid-latitude ozone in the lower mesosphere, the secondary maximum in the ozone vertical distribution at the mesopause, and the diurnal variability of ozone seen in the radio measurements of Wilson and Schwartz (1981) and other observations. The agreement with the Aladdin 74 data results from adjusting some key parameters within the uncertainties of laboratory measurements or known natural climatological variability. The variety of mid-latitude observations can be understood in terms of the estimated variability of environmental factors: diurnal, seasonal, and solar cycles in the solar illumination; the abundance of water vapor; and the details of the thermal profile of the atmosphere. The ozone secondary maximum results from the onset of the coupling between active-hydrogen and active-oxygen chemistry and its observed variability may be a consequence of secular changes in mesopause dynamics. Above ∼95 km, ozone observations are consistently higher than model results and cannot be accounted for by the set of reactions currently included in the model.
Item Type: | Article |
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Additional Information: | © 1984 by the American Geophysical Union.
Received June 13, 1983;
revised December 5, 1983;
accepted December 5, 1983.
Paper number 3D1922.
The many conversations we have had
with S. Solomon have been of significant help in writing
this paper. We also gratefully acknowledge the variety of
assistance received from D. Anderson, G. Anderson, T.
Clancy, W. DeMore, J. Gille, D. Hunten, F. Kaufman, L.
Keyser, M. Leu, J. Logan, D. Muhleman, M. Prather, S.
Sander, P. Schwartz, J. Waters, and W. Wilson. This
research was supported by NASA grant NAGW 413 and
JPL49-649-20320-0-3270 to the California Institute of
Technology. Contribution number 3876 from the Division
of Geological and Planetary Sciences, California Institute of
Technology. |
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Funders: | Funding Agency | Grant Number |
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NASA | NAGW 413 | JPL | 49-649-20320-0-3270 |
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Other Numbering System: | Other Numbering System Name | Other Numbering System ID |
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Caltech Division of Geological and Planetary Sciences | 3876 |
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Issue or Number: | D3 |
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DOI: | 10.1029/JD089iD03p04841 |
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Record Number: | CaltechAUTHORS:20140903-090727251 |
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Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140903-090727251 |
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Official Citation: | Allen, M., J. I. Lunine, and Y. L. Yung (1984), The vertical distribution of ozone in the mesosphere and lower thermosphere, J. Geophys. Res., 89(D3), 4841–4872, doi:10.1029/JD089iD03p04841 |
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Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
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ID Code: | 49178 |
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Collection: | CaltechAUTHORS |
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Deposited By: |
Tony Diaz
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Deposited On: | 03 Sep 2014 16:18 |
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Last Modified: | 10 Nov 2021 18:40 |
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