The Combined Effect of Initial Error and Model Error on ENSO
Prediction Uncertainty Generated by the Zebiak-Cane Model
ZHAO Peng1,2, DUAN Wan-Suo1,*
Figure 1 a The Ni#cod#x000f1;o-3 indexes of four strong El Ni#cod#x000f1;o events, denoted by S1-S4, and b those of four weak El Ni#cod#x000f1;o events, denoted by W1-W4.