GLDAS Model Output
GLDAS follows the ALMA definitions and conventions for the land surface model output variables outlined here.
Descriptions are available at the GES DISC.
Model Output Summary Table
| Name | GRIB PDS IDs | Description | Units | Time |
|---|---|---|---|---|
| Swnet | 111 | Net short wave radiation flux | W m-2 | average |
| Lwnet | 112 | Net long-wave radiation flux | W m-2 | average |
| Qle | 121 | Latent heat net flux | W m-2 | average |
| Qh | 122 | Sensible heat net flux | W m-2 | average |
| Qg | 155 | Heat flux | W m-2 | average |
| Snowf | 131 | Snow precipitation rate | kg m-2 s-1 | average |
| Rainf | 132 | Rain precipitation rate | kg m-2 s-1 | average |
| Evap | 057 | Evapotranspiration | kg m-2 s-1 | average |
| Qs | 235 | Storm surface runoff | kg m-2 per 3-hour or kg m-2 s-1 | accumulation or average |
| Qsb | 234 | Baseflow-groundwater runoff | kg m-2 per 3-hour or kg m-2 s-1 | accumulation or average |
| Qsm | 099 | Snow melt | kg m-2 per 3-hour or kg m-2 s-1 or kg m-2 | accumulation or average |
| AvgSurfT | 138 | Average Surface Skin temperature | K | instantaneous |
| Albedo | Albedo | % | instantaneous | |
| SWE | 065 | Snow depth water equivalent | kg m-2 | instantaneous |
| SnowDepth | Snow depth | M | instantaneous | |
| SoilMoist[depth] | 086 | Soil moisture | kg m-2 | instantaneous |
| SoilTMP[depth] | 085 | Soil temperature | K | instantaneous |
| PotEvap | Potential evaporation rate | W m-2 | average | |
| ECanop | Canopy water evaporation | W m-2 | average | |
| Tveg | Transpiration | W m-2 | average | |
| ESoil | Direct Evaporation from Bare Soil | W m-2 | average | |
| RootMoist | Root zone soil moisture | kg m-2 | instantaneous | |
| CanopInt | 071 | Plant canopy surface water | kg m-2 | instantaneous |
| SnowT | Snow surface temperature | K | average | |
| Acond | Aerodynamic conductance | m s-1 | average | |
| TWS | Terrestrial water storage | mm | average | |
| GWS | Ground water storage | mm | average | |
| Wind_f | 032 | Wind speed | m/s | instantaneous |
| Rainf_f | Total precipitation rate | kg m-2 s-1 | instantaneous | |
| Tair_f | 011 | Temperature | K | instantaneous |
| Qair_f | 051 | Specific humidity | kg/kg | instantaneous |
| Psurf_f | 001 | Pressure | Pa | instantaneous |
| SWdown_f | 204 | Downward short-wave radiation | W m-2 | average or instantaneous |
| LWdown_f | 205 | Downward long-wave radiation | W m-2 | average or instantaneous |
*"_f" indicates forcing variables *Not all variables are available in all LSMs or in GLDAS1