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Atmospheric acetylene and its relationship with CO as an indicator of air mass age
2007
Journal of Geophysical Research
1] Acetylene (C 2 H 2 ) and CO originating from combustion are strongly correlated in atmospheric observations, offering constraints on atmospheric dilution and chemical aging. We examine here the C 2 H 2 -CO relationships in aircraft observations worldwide, and interpret them with simple models as well as with a global chemical transport model (GEOS-Chem). A C 2 H 2 global source of 6.6 Tg yr À1 in GEOS-Chem simulates the ensemble of global C 2 H 2 observations without systematic bias, and
doi:10.1029/2006jd008268
fatcat:ydqjt7w54jestpxm3fv47vn7qa