Fig. 3

Time-evolution of oxygen species 1, 10, 100, 300 and 1000 yr after the oxygen sources have been abruptly cut-off. Profiles are initialized at steady-state conditions for O(3P) and OH input fluxes at 1.6 × 106 and 2.4 × 105 cm-2 s-1, respectively, matching the H2O profile of Moreno et al. (2012). Solid lines refer to H2O, and dashed lines refer to CO2.
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