water_canal_read.f90 Source File

      subroutine water_canal_read
      
      use input_file_module
      use water_allocation_module
      use mgt_operations_module
      use maximum_data_module
      use hydrograph_module
      use constituent_mass_module
      
      implicit none 
      
      character (len=80) :: titldum = ""!           |title of file
      character (len=80) :: header = "" !           |header of file
      integer :: eof = 0              !           |end of file
      integer :: imax = 0             !none       |determine max number for array (imax) and total number in file
      logical :: i_exist              !none       |check to determine if file exists
      integer :: i = 0                !none       |counter
      integer :: ic = 0
      integer :: num_aqu = 0
      integer :: iaq = 0
      
      eof = 0
      imax = 0
      
      !! read water canal inputs

      inquire (file='water_canal.wal', exist=i_exist)
      if (i_exist) then
      do 
        open (107,file='water_canal.wal')
        read (107,*,iostat=eof) titldum
        if (eof < 0) exit
        read (107,*,iostat=eof) imax
        read (107,*,iostat=eof) header
        db_mx%canal = imax
        if (eof < 0) exit
        
        allocate (canal(imax))
        allocate (canal_om_stor(imax))
        allocate (canal_om_out(imax))
        allocate (canal_cs_stor(imax))

        do ic = 1, imax
          read (107,*,iostat=eof) i, canal(ic)%name, canal(ic)%w_sta, canal(ic)%init, canal(ic)%dtbl,   &
              canal(ic)%ddown_days, canal(ic)%w, canal(ic)%d, canal(ic)%l, canal(ic)%s, canal(ic)%ss,   &
              canal(ic)%sat_con, canal(ic)%evap_co, num_aqu
          if (eof < 0) exit
          backspace (107)

          !! allocate and read aquifer loss data
          allocate (canal(ic)%aqu_loss_fr(num_aqu))
          
          read (107,*,iostat=eof) i, canal(ic)%name, canal(ic)%w_sta, canal(ic)%init, canal(ic)%dtbl,   &
              canal(ic)%ddown_days, canal(ic)%w, canal(ic)%d, canal(ic)%l, canal(ic)%s, canal(ic)%ss,   &
              canal(ic)%sat_con, canal(ic)%evap_co, canal(ic)%num_aqu,                                  &
              (canal(ic)%aqu_loss_fr(iaq), iaq = 1, num_aqu)
          
          !! calculate maximum storage store = Area*length = (w*d + ss*d*d) * l/1000.  units m3
          canal(ic)%stor_mx = (canal(ic)%w + canal(ic)%ss * canal(ic)%d) * canal(ic)%d * canal(ic)%l / 1000.
          
          !! crosswalk with weather station
          
          !! crosswalk initial concentrations and decision table
        end do
        
      end do
      end if
      
      close(107)

      return
      end subroutine water_canal_read