Figure F1. Depth plots for Hole 1151C. A. Alkenone temperature. B. Total alkenone concentration. C. Organic carbon content. D. C/N ratio. E. TiO2/Al2O3 ratio. F. K2O/Al2O3 ratio. Modern annual sea-surface temperature is marked as a dashed line in plot A. Relatively low temperature intervals are shown as shaded areas.