TY - JOUR
T1 - Oxygen isotope composition of stratospheric carbon dioxide
AU - Lämmerzahl, Peter
AU - Röckmann, Thomas
AU - Brenninkmeijer, Carl A.M.
AU - Krankowsky, Dieter
AU - Mauersberger, Konrad
PY - 2002/6/15
Y1 - 2002/6/15
N2 - Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct result of the large O3 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 17O and 18O in CO2 has been found. The large ratio δ17O/δ18O of 1.71 ± 0.03 shows a faster transfer of 17O than of 18O 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.
AB - Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct result of the large O3 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 17O and 18O in CO2 has been found. The large ratio δ17O/δ18O of 1.71 ± 0.03 shows a faster transfer of 17O than of 18O 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.
UR - http://www.scopus.com/inward/record.url?scp=0037098835&partnerID=8YFLogxK
U2 - 10.1029/2001GL014343
DO - 10.1029/2001GL014343
M3 - Article
AN - SCOPUS:0037098835
SN - 0094-8276
VL - 29
SP - 23-1-23-4
JO - Geophysical Research Letters
JF - Geophysical Research Letters
IS - 12
ER -