Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 4 November 1977:
Vol. 198. no. 4316, pp. 501 - 503
DOI: 10.1126/science.198.4316.501
Prev | Table of Contents | Next

Articles

Atomic Chlorine and the Chlorine Monoxide Radical in the Stratosphere: Three in situ Observations

J. G. ANDERSON 1, J. J. MARGITAN 1, and D. H. STEDMAN 1

1 Space Physics Research Laboratory, Department of Atmospheric and Oceanic Science, University of Michigan, Ann Arbor 48109

Three simultaneous observations of atomic chlorine (Cl) and the chlorine monoxide radical (ClO) are reported which encompass the altitude interval between 25 and 45 kilometers. Together, Cl and ClO form a gas-phase catalytic cycle potentially capable of depleting stratospheric ozone. Observed Cl and C1O densities, although variable, imply that chlorine compounds constitute an important part of the stratospheric ozone budget. The results are compared with recent models of stratospheric photochemistry which have been used as a basis for predicting ozone depletion resulting from fluorocarbon release.

Submitted on July 7, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Free Radicals Within the Antarctic Vortex: The Role of CFCs in Antarctic Ozone Loss.
J. G. ANDERSON, D. W. TOOHEY, and W. H. BRUNE (1991)
Science 251, 39-46
   Abstract »    PDF »
Diurnal Variation of Stratospheric Chlorine Monoxide: A Critical Test of Chlorine Chemistry in the Ozone Layer.
P. M. Solomon, R. de Zafra, A. Parrish, and J. W. Barrett (1984)
Science 224, 1210-1214
   Abstract »    PDF »
Chlorine Monoxide Radical, Ozone, and Hydrogen Peroxide: Stratospheric Measurements by Microwave Limb Sounding.
J. W. WATERS, J. C. HARDY, R. F. JARNOT, and H. M. PICKETT (1981)
Science 214, 61-64
   Abstract »    PDF »
Chlorine Oxide in the Stratospheric Ozone Layer: Ground-Based Detection and Measurement.
A. PARRISH, R. L. DE ZAFRA, P. M. SOLOMON, J. W. BARRETT, and E. R. CARLSON (1981)
Science 211, 1158-1161
   Abstract »    PDF »


To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)