Table 2 Model specifications and benchmarks: EMIC versus GCMs (supercomputer at JAMSTEC)
From: Modeling in Earth system science up to and beyond IPCC AR5
Model | JUMP-LCM (Tachiiri et al. [2010] ) | MIROC4h (Sakamoto et al. [2012] ) | MIROC4 (unreleased version) |
|---|---|---|---|
Horizontal grids (atmosphere) | 60 × 30 | 640 × 320 | 128 × 64 |
Vertical layers (atmosphere) | 1 | 56 | 20 |
Horizontal grids (ocean) | 60 × 30 | 1,280 × 912 | 256 × 224 |
Vertical layers (ocean) | 15 | 48 | 41 |
Time step | 36 h | Atmosphere: variable; ocean: 3 min | Atmosphere and ocean: 20 min |
Components | Atmosphere and ocean: with carbon cycle, land: carbon cycle | Physics in atmosphere, ocean, land | |
Computer | Scalar | Scalar | Vector |
CPU used | 1 | 20 | 4 |
Speed (s/year) | 15 | 944,620 | 12,958 |