Unexpected variations in the triple oxygen isotope composition of stratospheric carbon dioxide

We report observations of stratospheric CO 2 that reveal surprisingly large anomalous enrichments in 17 O that vary systematically with latitude, altitude, and season. The triple isotope slopes reached 1.95 ± 0.05(1σ) in the middle stratosphere and 2.22 ± 0.07 in the Arctic vortex versus 1.71 ± 0.03...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 2013-10, Vol.110 (44), p.17680-17685
Hauptverfasser:	Wiegel, Aaron A., Cole, Amanda S., Hoag, Katherine J., Atlas, Elliot L., Schauffler, Sue M., Boering, Kristie A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Altitude Atmosphere - analysis Atmospheric composition. Chemical and photochemical reactions Atmospherics Biogeochemistry Carbon dioxide Carbon Dioxide - analysis Chemical composition CHEMISTRY AND APPLICATIONS IN NATURE OF MASS INDEPENDENT ISOTOPE EFFECTS SPECIAL FEATURE Earth, ocean, space Emission measurements Exact sciences and technology External geophysics Geography Isotope effects Isotopes Kinetics Mass Spectrometry Measurement Models, Chemical Oxygen isotopes Oxygen Isotopes - analysis Ozone Ozone - analysis Paleoclimate Photochemicals Photochemistry Photolysis Physical Sciences Physics of the high neutral atmosphere Seasons Stratosphere Temperate regions Temperature Tropical regions
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