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