LND Variable Definitions

SB227T39_N1850_f09_tn14
and
obs

Set 3 Description: Line plots of monthly climatology: regional air temperature, precipitation, runoff, snow depth, radiative fluxes, and turbulent fluxes
'D_' denotes a variable derived from two or more history file variables (lnd_func.ncl)
'C_' denotes a CASA model variable.

Variable Name | Long Name | NativeUnits | ReportedUnits
--- | --- | --- | ---
VBSA | visible black-sky albedo | proportion | % reflected
NBSA | near-IR black-sky albedo | proportion | % reflected
VWSA | visible white-sky albedo | proportion | % reflected
NWSA | near-IR white-sky albedo | proportion | % reflected
ASA | all-sky albedo:FSR/FSDS | proportion | % reflected
NEE | net ecosys exchange of C;incl fire flx;pos for source | gC/m^2/s | gC/m^2/d
GPP | gross primary production | gC/m^2/s | gC/m^2/d
NPP | net primary production | gC/m^2/s | gC/m^2/d
AR | autotrophic respiration (MR + GR) | gC/m^2/s | gC/m^2/d
HR | total hetereotrophic respiration | gC/m^2/s | gC/m^2/d
NEP | net ecosystem production;excl fire flx;pos for sink | gC/m^2/s | gC/m^2/d
NEE | net ecosys exchange of C;incl fire flx;pos for source | gC/m^2/s | gC/m^2/d
GPP | gross primary production | gC/m^2/s | gC/m^2/d
NPP | net primary production | gC/m^2/s | gC/m^2/d
AR | autotrophic respiration (MR + GR) | gC/m^2/s | gC/m^2/d
HR | total hetereotrophic respiration | gC/m^2/s | gC/m^2/d
ER | total ecosystem respiration (AR + HR) | gC/m^2/s | gC/m^2/d
SUPPLEMENT_TO_SMINN | supplement to mineral nitrogen | gN/m^2/s | gN/m^2/d
SMINN_LEACHED | Nitrogen Leached | gN/m^2/s | gN/m^2/d
TSA | 2m air temperature | K | K
PREC | ppt: rain+snow | mm/s | mm/d
TOTRUNOFF | Runoff:qover+qdrai+qrgwl | mm/s | mm/d
SNOWDP | snow height | m | m
LHEAT | latent heat:FCTR+FCEV+FGEV | W/m^2 | W/m^2
GPP | gross primary production | gC/m^2/s | gC/m^2/d
TLAI | total one-sided leaf area index | m2/m2 | m2/m2
COL_FIRE_CLOSS | total column-level fire C loss | gC/m^2/s | gC/m^2/d
COL_FIRE_NLOSS | total column-level fire N loss | gN/m^2/s | gN/m^2/d
PFT_FIRE_CLOSS | total pft-level fire C loss | gC/m^2/s | gC/m^2/d
PFT_FIRE_NLOSS | total pft-level fire N loss | gN/m^2/s | gN/m^2/d
FIRESEASONL | annual fire season length | days | days
FIRE_PROB | daily fire probability | 0-1 | 0-1
ANN_FAREA_BURNED | annual total fractional area burned | proportion | proportion
MEAN_FIRE_PROB | e-folding mean of daily fire probability | 0-1 | proportion
WA | water in the unconfined aquifer | mm | mm
WT | total water storage | mm | mm
ZWT | water table depth | m | m
QCHARGE | aquifer recharge rate | mm/s | mm/d
FCOV | fractional area with water table at surface | unitless [0-1] | unitless [0-1]
TSA | 2m air temperature | K | K
PREC | ppt: rain+snow | mm/s | mm/d
TOTRUNOFF | Runoff:qover+qdrai+qrgwl | mm/s | mm/d
SNOWDP | snow height | m | m
LHEAT | latent heat:FCTR+FCEV+FGEV | W/m^2 | W/m^2
FPSN | photosynthesis | umol/m^2/s | gC/m2d
TLAI | total one-sided leaf area index | m2/m2 | m2/m2
PREC | ppt: rain+snow | mm/s | mm/d
RNET | net radiation:fsa-fira | W/m^2 | W/m^2
ET | Evapotranspiration | mm/s | mm/d
FSDS | atmospheric incident solar radiation | W/m^2 | W/m^2
ALBEDO | all-sky albedo:FSR/FSDS | proportion | % reflected
FSA | absorbed solar radiation | W/m^2 | W/m^2
FLDS | atmospheric longwave radiation | W/m^2 | W/m^2
FIRE | emitted infrared (longwave) radiation | W/m^2 | W/m^2
FIRA | net infrared (longwave) radiation | W/m^2 | W/m^2
RNET | net radiation:fsa-fira | W/m^2 | W/m^2
SNOWDP | snow height | m | m
FSNO | fraction of ground covered by snow | unitless | unitless
H2OSNO | total snow water equiv (SNOWICE + SNOWLIQ) | mm | mm
RNET | net radiation:fsa-fira | W/m^2 | W/m^2
FSH | sensible heat | W/m^2 | W/m^2
LHEAT | latent heat:FCTR+FCEV+FGEV | W/m^2 | W/m^2
FCTR | canopy transpiration | W/m^2 | W/m^2
FCEV | canopy evaporation | W/m^2 | W/m^2
FGEV | ground evaporation | W/m^2 | W/m^2
FGR | heat flux into snow/soil (includes snow melt) | W/m^2 | W/m^2
BTRAN | transpiration beta factor | unitless | unitless
EVAPFRAC | LHEAT/(LHEAT+FSH) | unitless | unitless