Model ID Name Atmosphere-Resolution Ocean-Resolution
CGCM3.1 (T63) Canadian Global Coupled Model T63a (~1.9° x 1.9°) L31b; (0.9° x 1.4°) L29c;
(Version 3.1) 31 vertical levels; 29 vertical levels;
  top = 1 hPa (~50 Km) Depth co-ordinate
CCSM3 Community Climate System Model T85 (1.4° x 1.4°) L26 (0.3°-1° x 1°) L40;
(Version 3) 26 vertical levels 40 vertical levels;
  top = 2.2 hPa (~25 Km) Depth co-ordinate
MIROC3.2 (hires)d Model for Interdisciplinary Research on Climate T106 (1. 1° X 1.1°) L56 (0.2° x 0.3°) L47
(Version 3.2) 56 vertical levels; 47 vertical levels;
  top = 40 km Sigma/Depth Co-ordinate
UKMO-HadGEM1 UK Met Office- (~1.3° x 1.9°) L38 (0.3°-1.0° x 1.0°) L40
Hadley Centre Global Environmental Model (Version 1) 38 vertical levels; 40 vertical levels;
  top = 39.2 km Depth Co-ordinate
a‘T’ denotes a triangular spectral truncation with a rough translation to degrees latitude and longitude
b, cVertical resolution (L) is the number of vertical levels in the atmosphere and in the ocean respectively
dhires: High resolution
Table 1: Details of Selected GCMs (IPCC-TGICA [10]).