The PDF file includes:

• Fig. S1. Topography and bathymetry at model resolution.
• Fig. S2. Spin-up of the Eocene simulations.
• Fig. S3. Model-data comparison of Early Eocene surface temperature.
• Fig. S4. Model-data comparison of PETM warming in SST.
• Fig. S5. Comparison of CAM5 and CAM4 Eocene atmosphere-only simulations.
• Fig. S6. Comparison of temperature and shortwave cloud feedback parameters between CAM5 and CAM4 Eocene SOM simulations.
• Fig. S7. Increase in climate sensitivity and cloud feedback parameter with warming under modern conditions.
• Table S1. Compilation of SST proxies for the Early Eocene.
• Table S2. Compilation of SST proxies for the pre-PETM and PETM.
• Table S3. feedback analysis from the PRP calculations.

Download PDF

Other Supplementary Material for this manuscript includes the following:

• Table S1 (Microsoft Excel format). Compilation of SST proxies for the Early Eocene.
• Table S2 (Microsoft Excel format). Compilation of SST proxies for the pre-PETM and PETM; feedback analysis from the PRP calculations.