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Oxygen isotope composition of stratospheric carbon dioxide

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons101220

Röckmann,  T.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons100865

Brenninkmeijer,  C. A. M.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

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Citation

Lämmerzahl, P., Röckmann, T., Brenninkmeijer, C. A. M., Krankowsky, D., & Mauersberger, K. (2002). Oxygen isotope composition of stratospheric carbon dioxide. Geophysical Research Letters, 29(12): 1582. doi:10.1029/2001GL014343.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0014-90EE-0
Abstract
[1] Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct result of the large O-3 isotope anomaly though no simultaneous measurements are known. Results from 8 stratospheric balloon flights at two latitudes are reported that provide now a complete oxygen isotope analysis of both gases. An unambiguous, very tight correlation between enrichments of O-17 and O-18 in CO2 has been found. The large ratio delta(17)O/delta(18)O of 1.71 +/- 0.03 shows a faster transfer of O-17 than of O-18 into CO2 and establishes a standard throughout the lower and middle stratosphere between midlatitudes and high northern latitudes. Ozone isotope transfer can now be treated in models with reliable atmospheric data.