Chlorine isotope fractionation in the stratosphere

Laube, JC, Kaiser, J, Sturges, WT, Bonisch, H and Engel, A (2010) Chlorine isotope fractionation in the stratosphere. Science, 329 (5996). p. 1167. ISSN 1095-9203

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Abstract

Chlorinated organic compounds are important contributors to the anthropogenic enhancement of stratospheric ozone depletion. We report measurements of stratospheric isotope fractionation in such a compound. Stratospheric and tropospheric difluorodichloromethane (CF2Cl2) were found to have the largest relative 37Cl/35Cl isotope ratio difference ever measured for a natural compound. The increase of the relative isotope ratio difference with altitude was tightly correlated to the corresponding decrease in the CF2Cl2 mixing ratio. The observed relationship has a high potential to provide new insights into atmospheric chemistry and transport processes.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
Related URLs:
Depositing User: Rosie Cullington
Date Deposited: 15 Feb 2011 11:58
Last Modified: 21 Apr 2020 17:15
URI: https://ueaeprints.uea.ac.uk/id/eprint/20344
DOI: 10.1126/science.1191809

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