Irion, F. W. and Gunson, M. R. and Rinsland, C. P. and Yung, Y. L. and Abrams, M. C. and Chang, A. Y. and Goldman, A. (1996) Heavy ozone enrichments from ATMOS infrared solar spectra. Geophysical Research Letters, 23 (17). pp. 2377-2380. ISSN 0094-8276. doi:10.1029/96GL01695. https://resolver.caltech.edu/CaltechAUTHORS:20140818-132914828
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Abstract
Vertical enrichment profiles of stratospheric ^(16)O^(16)O^(18)O and ^(16)O^(18)O^(16)O (hereafter referred to as ^(668)O_3 and ^(686)O_3 respectively) have been derived from space-based solar occultation spectra recorded at 0.01 cm^(−1) resolution by the ATMOS (Atmospheric Trace MOlecule Spectroscopy) Fourier-transform infrared (FTIR) spectrometer. The observations, made during the Spacelab 3 and ATLAS-1, -2, and -3 shuttle missions, cover polar, mid-latitude and tropical regions between 26 to 2.6 mb inclusive (≈ 25 to 41 km). Average enrichments, weighted by molecular ^(48)O_3 density, of (15±6)% were found for ^(668)O_3 and (10±7)% for ^(686)O_3. Defining the mixing ratio of ^(50)O_3 as the sum of those for ^(668)O_3 and ^(686)O_3, an enrichment of (13±5)% was found for ^(50)O_3 (1σ standard deviation). No latitudinal or vertical gradients were found outside this standard deviation. From a series of ground-based measurements by the ATMOS instrument at Table Mountain, California (34.4°N), an average total column ^(668)O_3 enrichment of (17±4)% (1σ standard deviation) was determined, with no significant seasonal variation discernable. Possible biases in the spectral intensities that affect the determination of absolute enrichments are discussed.
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| Additional Information: | © 1996 by the American Geophysical Union. We thank L. R. Brown, W. B. DeMore, J. Closs, C. B. Farmer, J. C. Foster, P. L. Houston, H. Pickett, I. S. McDermid and G. C. Toon for their assistance. The research reported herein was performed at the Jet Propulsion Laboratory, California Institute of Technology under contract to National Aeronautics and Space Administration. | |||||||||
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| Issue or Number: | 17 | |||||||||
| DOI: | 10.1029/96GL01695 | |||||||||
| Record Number: | CaltechAUTHORS:20140818-132914828 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140818-132914828 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 48660 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 19 Aug 2014 21:06 | |||||||||
| Last Modified: | 10 Nov 2021 18:33 |
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