stmp_solt Subroutine

subroutine stmp_solt()

Uses

  • proc~~stmp_solt~~UsesGraph proc~stmp_solt stmp_solt module~climate_module climate_module proc~stmp_solt->module~climate_module module~hru_module hru_module proc~stmp_solt->module~hru_module module~organic_mineral_mass_module organic_mineral_mass_module proc~stmp_solt->module~organic_mineral_mass_module module~septic_data_module septic_data_module proc~stmp_solt->module~septic_data_module module~soil_module soil_module proc~stmp_solt->module~soil_module module~time_module time_module proc~stmp_solt->module~time_module module~carbon_module carbon_module module~organic_mineral_mass_module->module~carbon_module module~soil_module->module~carbon_module

~ ~ ~ PURPOSE ~ ~ ~ this subroutine estimates daily average temperature at the bottom of each soil layer

~ ~ ~ INCOMING VARIABLES ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ albday |none |albedo of ground for day tmp_an(:) |deg C |average annual air temperature ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ OUTGOING VARIABLES ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ LOCAL DEFINITIONS ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ SUBROUTINES/FUNCTIONS CALLED ~ ~ ~ Intrinsic: Exp, Log, Max, Min

~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~

calculate damping depth

calculate maximum damping depth SWAT manual equation 2.3.6 calculate scaling factor for soil water SWAT manual equation 2.3.7 calculate daily value for damping depth SWAT manual equation 2.3.8 calculate lagging factor for soil cover impact on soil surface temp SWAT manual equation 2.3.11 calculate temperature at soil surface SWAT manual equation 2.3.10 SWAT manual equation 2.3.9 SWAT manual equation 2.3.12 taking average of bare soil and covered soil as in APEX previously using minumum causing soil temp to decrease in summer due to high biomass

calculate temperature for each layer on current day SWAT manual equation 2.3.4 SWAT manual equation 2.3.3

Arguments

None