| AMM7 | AMM15 | ||
| Model | Product name | AMM7v9PHYS_004_001_b | AMM15PHY_004_013 |
| Bathymetry | GEBCO | EMODnet 2015 | |
| Resolution | ~7km | ~15km | |
| Time step | 300s (30s barotropic sub_timestep) | 60s (30s barotropic sub_timestep) | |
| Penetrative radiation | 1-band shortwave radiation light attenuation (as used in POLCOMS, Holt and James 2001) | NEMO tri-band Red-Blue-Green (RGB) | |
| Data Assimilation | NEMOvar version (correlation operator short scale) | v3 (~20km) | v4 (~5km) |
| Forcing | surface forcing | UK met Office global atmospheric NWP | CORE bulk formulae (Large and Yeager 2009) with ECMWF operational |