Oxygen isotope fractionation in stratospheric CO2

M. H. Thiemens, T. Jackson, K. Mauersberger, B. Schueler, J. Morton

Research output: Contribution to journalArticle

84 Citations (Scopus)

Abstract

A new cryogenic collection system has been flown on board a balloon gondola to obtain separate samples of ozone and carbon dioxide without entrapping major atmospheric gases. Precision laboratory isotopic analysis of CO2 samples collected between 26 and 35.5km show a mass‐independent enrichment in both 17O and 18O of about 11 per mil (‰) above tropospheric values. Ozone enrichment in its heavy isotopes was 9 to 16% in 50O3 and 8 to 11% in 49O3, respectively [Schueler et al., 1990]. A mechanism to explain the isotope enrichment in CO2 has been recently proposed by Yung et al. [1991]. Their model is based on the isotope exchange between CO2 and O3 via O(1D), resulting in a transfer of the ozone isotope enrichment to carbon dioxide. Predicted enrichments and measured values agree well.

Original languageEnglish (US)
Pages (from-to)669-672
Number of pages4
JournalGeophysical Research Letters
Volume18
Issue number4
DOIs
StatePublished - 1991
Externally publishedYes

Fingerprint

oxygen isotopes
fractionation
oxygen isotope
isotopes
isotope
ozone
carbon dioxide
isotopic analysis
atmospheric gas
isotope ratios
balloons
dioxides
cryogenics
gases

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Thiemens, M. H., Jackson, T., Mauersberger, K., Schueler, B., & Morton, J. (1991). Oxygen isotope fractionation in stratospheric CO2 Geophysical Research Letters, 18(4), 669-672. https://doi.org/10.1029/91GL00121

Oxygen isotope fractionation in stratospheric CO2 . / Thiemens, M. H.; Jackson, T.; Mauersberger, K.; Schueler, B.; Morton, J.

In: Geophysical Research Letters, Vol. 18, No. 4, 1991, p. 669-672.

Research output: Contribution to journalArticle

Thiemens, MH, Jackson, T, Mauersberger, K, Schueler, B & Morton, J 1991, 'Oxygen isotope fractionation in stratospheric CO2 ', Geophysical Research Letters, vol. 18, no. 4, pp. 669-672. https://doi.org/10.1029/91GL00121
Thiemens MH, Jackson T, Mauersberger K, Schueler B, Morton J. Oxygen isotope fractionation in stratospheric CO2 Geophysical Research Letters. 1991;18(4):669-672. https://doi.org/10.1029/91GL00121
Thiemens, M. H. ; Jackson, T. ; Mauersberger, K. ; Schueler, B. ; Morton, J. / Oxygen isotope fractionation in stratospheric CO2 In: Geophysical Research Letters. 1991 ; Vol. 18, No. 4. pp. 669-672.
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