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Table 3
Summary of model scenarios by Kunze et al. (2014) of anoxic (Ax) atmospheres at different ages of the Earth (present, 2.5 and 3.5 Ga ago) used for the comparison with 1D model results.
Scenario | Stellar insolation at TOA (W/m2) |
vmr CO2 (ppm) | Tsurf (K) | A surf |
Ax | 1365 | 367 | 290.35 | 0.12 |
Ax2.5 | 1121 | 367 | 216.05 | 0.75 |
Ax2.5CO2 | 1121 | 3670 | 270.45 | 0.29 |
Ax3.5CO2 | 1046 | 3670 | 264.45 | 0.34 |
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