Table 4
For Uranus, Neptune, and SD 1110 models, maximum variations of abundances (in %) for each species for which the reduced scheme is designed.
| Species | Uranus | Neptune | SD 1110 |
|---|---|---|---|
| H2O | 6 × 10−1 (@8 × 106) | 2 (@9 × 106) | 2 (@9 × 103) |
| CH4 | 1 × 10−1 (@1 × 106) | 1 (@9 × 106) | 3 (@9 × 103) |
| CO | 3 (@1 × 106) | 6 (@1 × 106) | 2 × 10−1 (@9 × 103) |
| CO2 | 3 (@1 × 106) | 1 × 101 (@1 × 106) | 3 (@1 × 102) |
| NH3 | 7 × 10−1 (@8 × 106) | 6 (@1 × 106) | 9 × 10−2 (@1 × 103) |
| HCN | 4 × 10−1 (@5 × 106) | 5 (@1 × 106) | 3 (@2 × 103) |
Notes. The pressure level (@level in mbar) where the maximum variation is reached is indicated in parentheses. These values are calculated within the region where quenching occurs for the giant planets ([106 –107] mbar) and within the region probed by infrared observations ([102 –104] mbar) for the brown dwarf.
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