nut_nminrl Subroutine

subroutine nut_nminrl()

Uses

  • proc~~nut_nminrl~~UsesGraph proc~nut_nminrl nut_nminrl module~basin_module basin_module proc~nut_nminrl->module~basin_module module~hru_module hru_module proc~nut_nminrl->module~hru_module module~organic_mineral_mass_module organic_mineral_mass_module proc~nut_nminrl->module~organic_mineral_mass_module module~output_landscape_module output_landscape_module proc~nut_nminrl->module~output_landscape_module module~plant_module plant_module proc~nut_nminrl->module~plant_module module~septic_data_module septic_data_module proc~nut_nminrl->module~septic_data_module module~soil_module soil_module proc~nut_nminrl->module~soil_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 nitrogen and phosphorus
mineralization and immobilization considering fresh organic
material (plant residue) and active and stable humus material

~ ~ ~ INCOMING VARIABLES ~ ~ ~
name          |units         |definition
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
ihru          |none          |HRU number
rsdco_pl(:)   |none          |plant residue decomposition coefficient. The
                             |fraction of residue which will decompose in
                             |a day assuming optimal moisture,
                             |temperature, C:N ratio, and C:P ratio

! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ OUTGOING VARIABLES ~ ~ ~
name          |units         |definition
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ LOCAL DEFINITIONS ~ ~ ~
name        |units         |definition
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ SUBROUTINES/FUNCTIONS CALLED ~ ~ ~
Intrinsic: Max, Exp, Sqrt, Min, Abs

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

compute humus mineralization of organic soil pools mineralization can occur only if temp above 0 deg compute soil water factor compute soil temperature factor compute combined factor compute flow from active to stable pools- maintain fraction of active (nactfr) compute humus mineralization on active organic n compute humus mineralization on active organic p move mineralized nutrients between pools compute residue decomp and mineralization of fresh organic n and p (upper two layers only) compute root and incorporated residue decomposition all plant residue in soil is mixed - don't track individual plant residue in soil

compute denitrification

Arguments

None