\label{fig:heatBudgetCycle} Historical$-$AMIP SST and the ocean mixed layer heat budget in equation (\ref{eqn:budget}) in MRI-CGCM3, averaged over the ocean grids of 30$^{\circ}$E--60$^{\circ}$ and 10$^{\circ}$S--10$^{\circ}$N.