Ensemble Experiment (1) Toyoda et al 1999: Purpose: to Extract Time Evolution of Response by Ensemble Averaging Examine the first 50 day after the switch-on of SSTA Why and How does the response differ from "Gill type"? Set-up of Ensemble Experiment Number of Runs: up to 200 Boundary conditions : same as Hosaka et al(1998) Initial conditions: Sampled at every 50 days out of a Reference Run without SSTA