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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