| Air density |  | 1.3 | kg m-3 | |
| Snow density |  | 300.0 | kg m-3 | |
| Ice density |  | 900.0 | kg m-3 | |
| Ocean density |  | 1025.0 | kg m-3 | |
| Coriolis parameter | f | | s-1 | Function of latitude only |
| Sea level air pressure | pa | | Pa | |
| Geostrophic wind |  | | m s-1 | |
| Surface wind |  | | m s-1 | |
| Sea-ice velocity |  | | m s-1 | |
| Ocean surface velocity |  | | m s-1 | |
| Surface stress air-ocean |  | | Pa | |
| Drag coefficient air-ocean | Dao | (1.10 + 0.04 Ws) x 10-3 | | Dependent on surface wind speed |
| Surface stress air-ice |  | | Pa | |
| Drag coefficient air-ice | Dai | (1.10 + 0.04 Ws) x 10-3 | | Dependent on surface wind speed |
| Surface stress ice-ocean |  | | Pa | |
| Drag coefficient ice-ocean | Dio | 5.50 x 10-3 | | |
| Air temperature | Ta | | °C | |
| Surface temperature ice (snow) | Tis | | °C | |
| Melting point ice (snow) surface | Tmis | 0.0 | °C | |
| Surface temperature ocean | Tos | | °C | |
| Freezing point temperature ocean surface | Tfos | | °C | |
| Surface salinity ocean | Sos | | psu | |
| Ice salinity | Si | 4 | psu | |
| Surface salinity restoring time |  | 180 | days | |
| Coefficient of salinity-dependent freezing point | mf | -0.0575 | °C/psu | |
| Relative humidity | rh | 0.9 | | Regional models only |
| Vapor pressure in air | ea | | Pa | |
| Saturation vapor pressure over ocean surface | eos | | Pa | |
| Saturation vapor pressure over ice (snow) surface | eis | | Pa | |
| Specific humidity in air | qa | | kg kg-1 | |
| Specific humidity at ocean surface | qos | | kg kg-1 | |
| Specific humidity at ice (snow) surface | qis | | kg kg-1 | |
| Evaporation over ocean surface | Eos | | m s-1 | Evaluated at ocean equivalent density |
| Sublimation over ice (snow) surface | Eis | | m s-1 | Evaluated at ocean equivalent density |
| Precipitation | P | | m s-1 | Evaluated at ocean equivalent density |
| Cloud cover fraction | cf | [0..1] | | |
| Steffan-Boltzmann constant |  | 5.67 x 10-8 | W m-2 K-4 | |
| Specific heat of air | cpa | 1004 | J kg-1 K-1 | |
| Specific heat of ice (snow) | cpi | 2090 | J kg-1 K-1 | |
| Specific heat of ocean | cpo | 4190 | J kg-1 K-1 | |
| Latent heat of fusion | Lf | 0.334 x 106 | J kg-1 | |
| Latent heat of vaporization | Lv | 2.501 x 106 | J kg-1 | |
| Latent heat of sublimation | Ls | 2.835 x 106 | J kg-1 | |
| Exchange coefficient of sensible heat | Csh | 1.20 x 10-3 | | |
| Exchange coefficient of latent heat | Clh | 1.50 x 10-3 | | |
| Albedo of ice |  | 0.60 | | |
| Albedo of melting ice |  | 0.50 | | |
| Albedo of snow |  | 0.80 | | |
| Albedo of melting snow |  | 0.70 | | |
| Albedo of ocean |  | 0.10 | | |
| Emissivity of snow |  | 0.99 | | |
| Emissivity of ice |  | 0.97 | | |
| Emissivity of ocean |  | 0.97 | | |
| Solar constant |  | 1353 | W m-2 | |
| Sensible heat flux |  | | W m-2 | |
| Latent heat flux |  | | W m-2 | |
| Shortwave radiation |  | | W m-2 | |
| Longwave radiation |  | | W m-2 | |
| Day of Year |  | | | [1..365] |
| Hour of Day |  | | | [0..23] |
| Solar Zenith Angle |  | | |  |
| Hour Angle |  | | |  |