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Simulated Eocene climate system response to atmospheric CO2 and elevated concentrations of trace greenhouse gases (GHGs), and calculated Earth system sensitivity (Ess)
| Simulation | ||||
| Global surface |
Land surface |
Ess |
Ess |
|
| Early Eocene (55 Ma) | Temperature (K) | Temperature (K) | Global (K) | Land (K) |
| 2 × CO2 (560 ppm) | 293.3 | 291.8 | — | — |
| 2 × CO2 + GHGs | 294.6 | 293.2 | — | — |
| 4 × CO2 (1,120 ppm) | 296.5 | 296.0 | 3.2 | 4.2 |
| 4 × CO2 + GHGs | 298.6 | 298.7 | 4.0 | 5.5 |
