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MESH - A Community Hydrology - Land Surface Model


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This page contains a list of variables accessible for outputs.

Variables may print the default NO_DATA value if the corresponding process is not enabled. Some variables are not available using older codes.

Greyed out variables have no connection to active processes or are only active in development branches. The variables are included here because they are technically accessible for output, but they will only print the default NO_DATA value, regardless of the processes enabled.

Variable lists:

Related content:

  • Variable Name UpdatesThis page lists the old and new names of variables that have changed with specific MESH releases.

Meteorological/climatology variables

TokenDescriptionUnitsMinimum releaseNotes
FSINIncoming shortwave radiation at the surface.W m-21398
FSVHVisible component of incoming shortwave radiation at the surface.W m-21398
FSIHInfrared component of incoming shortwave radiation at the surface.W m-21398
FSDIRDirect component of incoming shortwave radiation at the surface.W m-21403
FSDFFDiffuse component of incoming shortwave radiation at the surface.W m-21403
FSOUTOutgoing shortwave radiation at the surface.W m-21403
FLINIncoming longwave radiation at the surface.W m-21398
FLOUTOutgoing longwave radiation at the surface.W m-21403
TAAir temperature (at user-specified reference height).K1398
QASpecific humidity (at user-specificed reference height).kg kg-11398
PRESAir pressure at the surface.Pa1398
UVWind speed (at user-specified reference height).m s-11398
WDIRWind direction (at user-specified referenced height).degrees1403
UUU-component of wind speed (at user-specified reference height).m s-11403
VVV-component of wind speed (at user-specified reference height).m s-11403
PRETotal incoming precipitation rate.kg m-2 s-11398
PRERNTotal incoming liquid precipitation rate.kg m-2 s-11591
PRESNOTotal incoming solid precipitation rate.kg m-2 s-11591
PRECTotal precipitation.kg m-21398
PRECRNTotal liquid precipitation.kg m-21591
PRECSNOTotal solid precipitation.kg m-21591

Canopy variables

TokenDescriptionUnitsMinimum releaseNotes
LQWSCANLiquid water interception in the canopy.kg m-21398Known as "RCAN" in r1713 and earlier. See notes on variable name updates.
FZWSCANFrozen water interception in the canopy.kg m-21398Known as "SNCAN" in r1713 and earlier. See notes on variable name updates.
CMASOrganic mass of the canopy.kg m-21461
TCANVegetation canopy temperature.K1461
GROVegetation growth index.--1403

Snow variables

TokenDescriptionUnitsMinimum releaseNotes
SNOSnow mass.kg m-21398
RHOSNOSnow density.kg m-31529
ZSNOSnow depth.m1529
FSNOFraction of fully snow covered area.fraction1403
LQWSSNOLiquid water content of the snow.kg m-21398Known as "WSNO" in r1713 and earlier. See notes on variable name updates.
TSNOSnowpack temperature.K1461
DRAINSNODrainage (runoff rate) from the bottom of the snowpack (see notes here)kg m-2 s-11591Known as "ROFSNO" in r1713 and earlier. See notes on variable name updates.

Surface variables

TokenDescriptionUnitsMinimum releaseNotes
ALBTTotal albedo of the surface (visible and near-infrared).fraction1461
ALVSVisible component of the total albedo of the surface.fraction1461
ALIRNear-infrared components of the total albedo of the surface.fraction1461
GTEEffective black-body temperature at the surface.K1403
ZPNDDepth of ponded water.m1403
LQWSPNDLiquid water storage of ponded water.kg m-21398Known as "PNDW" in r1713 and earlier. See notes on variable name updates.
TPNDTemperature of ponded water.K1461
POTEVPPotential evaporation.kg m-21403Known as "PEVP" in r1713 and earlier. See notes on variable name updates.
ETEvapotranspiration.kg m-21398Known as "EVAP" in r1713 and earlier. See notes on variable name updates.
EVPBEvaporation efficiency (ET to POTEVP) of the canopy.--1403
ARRDArridity index (PRE to POTEVP).--1403
OVRFLWOverland runoff.kg m-21403Known as "ROFO" in r1713 and earlier. See notes on variable name updates.
QEVPLatent heat flux at the surface.W m-21398Known as "QE" in r1713 and earlier. See notes on variable name updates.
QSENSSensible heat flux at the surface.W m-21398Known as "QH" in r1713 and earlier. See notes on variable name updates.
GZEROHeat flux into the ground.W m-21403

Subsurface/soil variables

TokenDescriptionUnitsMinimum releaseNotes
THLQSOLVolumetric liquid water content of the soil.m3 m-31398Known as "THLQ" in r1713 and earlier. See notes on variable name updates.
THICSOLVolumetric frozen water content of the soil.m3 m-31398Known as "THIC" in r1713 and earlier. See notes on variable name updates.
LQWSSOLLiquid water storage in the soil.kg m-21398Known as "LQWS" in r1713 and earlier. See notes on variable name updates.
FZWSSOLFrozen water storage in the soil.kg m-21398Known as "FZWS" in r1713 and earlier. See notes on variable name updates.
ALWSSOLTotal water storage in the soil.kg m-21403Known as "ALWS" in r1713 and earlier. See notes on variable name updates.
TSOLTemperature of the soil.K1398Known as "TBAR" in r1713 and earlier. See notes on variable name updates.
GFLXHeat conduction between soil layers.W m-21398
LATFLWInterflow runoff.kg m-21403Known as "ROFS" in r1713 and earlier. See notes on variable name updates.
DRAINSOLDrainage from the bottom of the permeable soil column.kg m-21403Known as "ROFB" in r1713 and earlier. See notes on variable name updates.

Groundwater/lower zone storage variables

TokenDescriptionUnitsMinimum releaseNotes
RCHGDrainage into groundwater/lower zone storage.mm1398
STGGWGroundwater/lower zone storage.mm1403Known as "LZS" in r1713 and earlier. See notes on variable name updates.
DZSDeep aquifer water storage.mm1403

Diagnostic variables

TokenDescriptionUnitsMinimum releaseNotes
STGWTotal water storage (HLSS).kg m-21592
DSTGWChange in water storage from the previous time-step.kg m-21592
STGETotal energy storage (HLSS).
W m-21403
DSTGEChange in energy storage from the previous time-stepW m-21403

Routing variables

TokenDescriptionUnitsMinimum releaseNotes
RFFTotal runoff (from all surface, subsurface, and groundwater components).mm1398
ROFTotal runoff (from all surface and subsurface components).kg m-21398
QIFlow rate entering the channel.m3 s-11403
QOFlow rate leaving the channel (discharge).m3 s-11403
STGCHChannel storage.m31403
ZLVLStage level.m1403