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Rate of Formation of the ClO Dimer in the Polar Stratosphere: Implications for Ozone Loss

Sander, Stanley P. and Friedl, Randall R. and Yung, Yuk L. (1989) Rate of Formation of the ClO Dimer in the Polar Stratosphere: Implications for Ozone Loss. Science, 245 (4922). pp. 1095-1098. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20140905-090620093

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Abstract

The gas-phase recombination of chlorine monoxide (ClO) has been investigated under the conditions of pressure and temperature that prevail in the Antarctic stratosphere during the period of maximum ozone (O_3) disappearance. Measured rate constants are less than one-half as great as the previously accepted values. One-dimensional model calculations based on the new rate data indicate that currently accepted chemical mechanisms can quantitatively account for the observed O_3 losses in late spring (17 September to 7 October). A qualitative assessment indicates that the existing mechanisms can only account for at most one-half of the measured O3 depletion in the early spring (28 August to 17 September), indicating that there may be additional catalytic cycles, besides those currently recognized, that destroy O_3.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.245.4922.1095 DOIArticle
http://www.sciencemag.org/content/245/4922/1095PublisherArticle
http://www.jstor.org/stable/1704310JSTORArticle
ORCID:
AuthorORCID
Sander, Stanley P.0000-0003-1424-3620
Additional Information:© 1989 American Association for the Advancement of Science. Received 29 March 1989; accepted 12 July 1989. Part of the research described in this report was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration (NASA). Y.L.Y. was supported by NASA grant NAGW-413 to the California Institute of Technology. We acknowledge several valuable conversations with M. Allen, W. DeMore, C. B. Farmer, J. Margitan, M. Molina, J. Rodriguez, G. Toon, and J. Sander. We thank D. Hofmann, R. DeZafra, R. Schindler, C. B. Farmer, C. Howard, D. McKenna, and D. Hartmann for preprints.
Funders:
Funding AgencyGrant Number
NASANAGW-413
NASA/JPL/CaltechUNSPECIFIED
Record Number:CaltechAUTHORS:20140905-090620093
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140905-090620093
Official Citation:Rate of Formation of the ClO Dimer in the Polar Stratosphere: Implications for Ozone Loss Stanley P. Sander, Randall R. Friedl and Yuk L. Yung Science, New Series, Vol. 245, No. 4922 (Sep. 8, 1989), pp. 1095-1098 Published by: American Association for the Advancement of Science Article Stable URL: http://www.jstor.org/stable/1704310
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49270
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 Sep 2014 22:23
Last Modified:30 Oct 2017 23:06

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