Carbon dioxide in the middle atmosphere shows an increasing enrichment in the heavy oxygen isotopes with altitude which preferential enrichment for 17O according to d17O =1.7 d18O. This is contrary to tropospheric CO2 where d17O ~ 0.5d18O. These isotope enrichments are transferred from O3 into CO2, but details of the mechanism are not understood yet. A systematic study was carried out using O2 and CO2 gases of different isotopic composition. Results show the existence of a photochemical isotope equilibrium between O2 and CO2, which is independent of the initial isotopic composition and shows equal enrichments for 17O and 18O. Additional experiments were conducted to investigate the effect of temperature, pressure and O2/CO2 ratio. Data reve...
The isotopic composition of long-lived trace molecules provides a window into atmospheric transport ...
Abstract. The mass-independent nature of the isotopic composition of ozone is caused mainly by non-s...
Atypically large and non-mass-dependent kinetic isotope effects (KIEs) in the three-body ozone forma...
Carbon dioxide in the middle atmosphere shows an increasing enrichment in the heavy oxygen isotopes ...
International audienceContrary to tropospheric CO2 whose oxygen isotopic composition follows a stand...
Contrary to tropospheric CO2 whose oxygen isotopic composition follows a standard mass dependent rel...
Stratospheric CO2 is found to be enriched in heavy oxygen isotopes relative to tropospheric CO2 valu...
Abstract. Contrary to tropospheric CO2 whose oxygen iso-topic composition follows a standard mass de...
[1] Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct...
[1] Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct...
The isotopic composition of long-lived trace molecules provides a window into atmospheric transport ...
Abstract. Atmospheric heavy ozone is enriched in the isotopes •80 and •70. The magnitude of this enh...
A unique kinetic isotope effect has been found in the formation process of ozone molecules. Isotope ...
We propose a novel mechanism for isotopic exchange between CO_2 and O_3 via O(^1D) + CO_2 → CO_3^* f...
The stable isotope compn. of atm. CO_2 can be used to constrain the relative strengths of carbon sou...
The isotopic composition of long-lived trace molecules provides a window into atmospheric transport ...
Abstract. The mass-independent nature of the isotopic composition of ozone is caused mainly by non-s...
Atypically large and non-mass-dependent kinetic isotope effects (KIEs) in the three-body ozone forma...
Carbon dioxide in the middle atmosphere shows an increasing enrichment in the heavy oxygen isotopes ...
International audienceContrary to tropospheric CO2 whose oxygen isotopic composition follows a stand...
Contrary to tropospheric CO2 whose oxygen isotopic composition follows a standard mass dependent rel...
Stratospheric CO2 is found to be enriched in heavy oxygen isotopes relative to tropospheric CO2 valu...
Abstract. Contrary to tropospheric CO2 whose oxygen iso-topic composition follows a standard mass de...
[1] Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct...
[1] Heavy oxygen isotope enrichment in stratospheric CO2 has been identified in the past as a direct...
The isotopic composition of long-lived trace molecules provides a window into atmospheric transport ...
Abstract. Atmospheric heavy ozone is enriched in the isotopes •80 and •70. The magnitude of this enh...
A unique kinetic isotope effect has been found in the formation process of ozone molecules. Isotope ...
We propose a novel mechanism for isotopic exchange between CO_2 and O_3 via O(^1D) + CO_2 → CO_3^* f...
The stable isotope compn. of atm. CO_2 can be used to constrain the relative strengths of carbon sou...
The isotopic composition of long-lived trace molecules provides a window into atmospheric transport ...
Abstract. The mass-independent nature of the isotopic composition of ozone is caused mainly by non-s...
Atypically large and non-mass-dependent kinetic isotope effects (KIEs) in the three-body ozone forma...