snow_f

Author:

Date:

Description:

Computes the energy balance at the top of the snow pack.

References

Input Variables:

Variable

Type

Units

Description

air_tempdoubledeg Cair temperature measured at 2m
vpddoublekPavapor pressure deficit
snow_tempdoubledeg Csnow temperature
vel_2mdoublem/secwind velocity at 2m
Cdoubles/maerodynamic conductance at 2m before atmospheric stability correction
air_densdoublekg/m^3air density
in_raddoubleW/m^2incoming total radiation at the snow surface
air_vpdoublekPavapor pressure
air_pressuredoublekPaair pressure
raindoublemrain
dtinthourstimestep
surf_tempdoubledeg Cdepth average temperature of the surface layer
surf_swedoublemsnow water equivalent of the surface layer
surf_waterdoublemliquid water content of the surface layer

Output Variables:

Variable

Type

Units

Description

mass_fluxdouble *mmass flux of water vapor to or from the snow pack
Qrdouble *W/m^2net radiation exchange at the surface of the snow pack
Qsdouble *W/m^2sensible heat flux
Qedouble *W/m^2latent heat transfer
Qpdouble *W/m^2advected heat flux from rain
Qrfdouble *W/m^2energy available to refreeze water in the pack
Qccdouble *W/m^2available energy to change the surface layer temperature

Subroutines Called:

stability

Modifications and Limitations


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