ero_eiusle Subroutine

subroutine ero_eiusle()

Uses

  • proc~~ero_eiusle~~UsesGraph proc~ero_eiusle ero_eiusle module~climate_module climate_module proc~ero_eiusle->module~climate_module module~hru_module hru_module proc~ero_eiusle->module~hru_module module~hydrograph_module hydrograph_module proc~ero_eiusle->module~hydrograph_module module~basin_module basin_module module~hydrograph_module->module~basin_module module~time_module time_module module~hydrograph_module->module~time_module

~ ~ ~ PURPOSE ~ ~ ~ This subroutine computes the USLE erosion index (EI)

~ ~ ~ INCOMING VARIABLES ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ idg(:) |none |array location of random number seed |used for a given process ihru |none |HRU number rndseed(:,:)|none |random number generator seed snomlt |mm H2O |amount of snow melt in HRU on current day tconc(:) |hr |time of concentration ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ OUTGOING VARIABLES ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ usle_ei |100(ft-tn in)/(acre-hr)|USLE rainfall erosion index ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ LOCAL DEFINITIONS ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ xa |none |fraction of daily rainfall occuring during |half-hour of max intensity rain ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ SUBROUTINES/FUNCTIONS CALLED ~ ~ ~ Intrinsic: Log, Log10

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

Arguments

None