Open Access
Table B1
Input parameters for our photochemical model
| Species | Mixing ratio | Flux [molecules cm−2 s−1] | Deposition velocity [cm s−1] |
|---|---|---|---|
| CO2 | 4.6% | - | - |
| O2 | Anoxic: 0% Oxic: 21% | - | - |
| H2Oa | rel. hum. | - | - |
| CH4 | - | Abiotic: 108 Biotic: 1011 | - |
| COb | - | Anoxic: 107 − 3.2 × 1012 Oxic: 2.1 × 106 − 6.7 × 1011 | Abiotic: 10−8 Biotic: 1.2 × 10−4 |
| NOb,c | - | Anoxic: 5.4 × 106 − 1.7 × 1012 Oxic: 3.5 × 107 − 1.1 × 1013 | 3 × 10−4 |
| NO2 | - | - | 3 × 10−3 |
| HNO | - | - | 1 |
| HNO3c | - | - | 0.2 |
| H2b | - | Anoxic: 1010 (anoxic) Oxic: 0 | 2.4 × 10−4 |
| H2Sb | - | Anoxic: 3.5 × 108 Oxic: 2 × 108 | 0.02 |
| SO2b | - | Anoxic: 3.5 × 109 Oxic: 9 × 109 | 1 |
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