subroutine RadMarsV1Flux( xy_SurfType, xy_SurfMajCompIce, xy_SurfAlbedo, xyz_Press, xyr_Press, xyz_Temp, xyr_Temp, xy_SurfTemp, xyr_RadSUwFlux, xyr_RadSDwFlux, xyr_RadLUwFlux, xyr_RadLDwFlux, xyra_DelRadLUwFlux, xyra_DelRadLDwFlux )

    ! USE statements
    !

    ! 物理・数学定数設定
    ! Physical and mathematical constants settings
    !
    use constants0, only: PI                    ! $ \pi $ .
                              ! 円周率.  Circular constant

    use constants, only: GasRDry

    ! 雪と海氷の定数の設定
    ! Setting constants of snow and sea ice
    !
    use constants_snowseaice, only: CO2IceThreshold, CO2IceEmisS, CO2IceEmisN

    ! 座標データ設定
    ! Axes data settings
    !
    use axesset, only: y_Lat

    ! 時刻管理
    ! Time control
    !
    use timeset, only: TimeN, DelTime, TimesetClockStart, TimesetClockStop

    ! 短波入射 (太陽入射)
    ! Short wave (insolation) incoming
    !
    use rad_short_income, only : RadShortIncome

    use rad_Mars_15m, only : rad15m_main

    use set_Mars_dust, only : SetMarsDustSetDOD067

    ! 散乱を無視した放射伝達方程式
    ! Radiative transfer equation without considering scattering
    !
    use rad_rte_nonscat, only : RadRTENonScatWrapper

    !
    ! Solve radiative transfer equation in two stream approximation
    !
    use rad_rte_two_stream_app, only: RadRTETwoStreamAppHomogAtm, RadRTETwoStreamAppLW

    ! プランク関数の計算
    ! Calculate Planck function
    !
    use planck_func, only : Integ_PF_GQ_Array3D, Integ_PF_GQ_Array2D, Integ_DPFDT_GQ_Array2D

    ! ヒストリデータ出力
    ! History data output
    !
    use gtool_historyauto, only: HistoryAutoPut


    integer , intent(in ) :: xy_SurfType       (0:imax-1, 1:jmax)
    real(DP), intent(in ) :: xy_SurfMajCompIce (0:imax-1, 1:jmax)
    real(DP), intent(in ) :: xy_SurfAlbedo     (0:imax-1, 1:jmax)
    real(DP), intent(in ) :: xyz_Press         (0:imax-1, 1:jmax, 1:kmax)
    real(DP), intent(in ) :: xyr_Press         (0:imax-1, 1:jmax, 0:kmax)
    real(DP), intent(in ) :: xyz_Temp          (0:imax-1, 1:jmax, 1:kmax)
    real(DP), intent(in ) :: xyr_Temp          (0:imax-1, 1:jmax, 0:kmax)
    real(DP), intent(in ) :: xy_SurfTemp       (0:imax-1, 1:jmax)
    real(DP), intent(out) :: xyr_RadSUwFlux    (0:imax-1, 1:jmax, 0:kmax)
    real(DP), intent(out) :: xyr_RadSDwFlux    (0:imax-1, 1:jmax, 0:kmax)
    real(DP), intent(out) :: xyr_RadLUwFlux    (0:imax-1, 1:jmax, 0:kmax)
    real(DP), intent(out) :: xyr_RadLDwFlux    (0:imax-1, 1:jmax, 0:kmax)
    real(DP), intent(out) :: xyra_DelRadLUwFlux(0:imax-1, 1:jmax, 0:kmax, 0:1)
    real(DP), intent(out) :: xyra_DelRadLDwFlux(0:imax-1, 1:jmax, 0:kmax, 0:1)



    real(DP), parameter :: DiffFact = 1.66_DP

    real(DP) :: PlanetLonFromVE
    real(DP) :: xyr_DOD067  (0:imax-1, 1:jmax, 0:kmax)
    real(DP) :: xyr_DOD     (0:imax-1, 1:jmax, 0:kmax)
    real(DP) :: xyz_DelTrans(0:imax-1, 1:jmax, 1:kmax)
    real(DP) :: xyrr_Trans  (0:imax-1, 1:jmax, 0:kmax, 0:kmax)

    real(DP) :: QeRat
    real(DP) :: SSA
    real(DP) :: AF
    real(DP) :: xyz_SSA(0:imax-1, 1:jmax, 1:kmax)
    real(DP) :: xyz_AF (0:imax-1, 1:jmax, 1:kmax)

    real(DP) :: xy_LWSurfAlbedo(0:imax-1, 1:jmax)

    real(DP) :: xyr_IntPF      (0:imax-1, 1:jmax, 0:kmax)
    real(DP) :: xy_SurfIntPF   (0:imax-1, 1:jmax)
    real(DP) :: xy_SurfIntDPFDT(0:imax-1, 1:jmax)

    real(DP) :: xyr_RadLUwFluxComp    (0:imax-1, 1:jmax, 0:kmax)
    real(DP) :: xyr_RadLDwFluxComp    (0:imax-1, 1:jmax, 0:kmax)
    real(DP) :: xyra_DelRadLUwFluxComp(0:imax-1, 1:jmax, 0:kmax, 0:1)
    real(DP) :: xyra_DelRadLDwFluxComp(0:imax-1, 1:jmax, 0:kmax, 0:1)


    real(DP) :: MajCompIceThreshold
    real(DP) :: MajCompIceEmis
    real(DP) :: xy_SurfEmis(0:imax-1, 1:jmax)

    real(DP) :: xy_InAngle (0:imax-1, 1:jmax)
    real(DP) :: DistFromStarScld
    real(DP) :: DiurnalMeanFactor
    real(DP) :: SolarFluxTOA

    real(DP)           :: WNs
    real(DP)           :: WNe
    integer, parameter :: NumGaussNode = 5

    integer :: i
    integer :: j
    integer :: k
    integer :: kk


!!$    real(DP) :: MaxError



    ! 初期化
    ! Initialization
    !
    if ( .not. rad_Mars_V1_inited ) call RadMarsV1Init


    call RadShortIncome( xy_InAngle         = xy_InAngle, DistFromStarScld   = DistFromStarScld, DiurnalMeanFactor  = DiurnalMeanFactor, PlanetLonFromVE    = PlanetLonFromVE )
    SolarFluxTOA = SolarConst / DistFromStarScld**2 * DiurnalMeanFactor
    PlanetLonFromVE = PlanetLonFromVE * 180.0_DP / PI

    !  Dust optical depth
    !
    call SetMarsDustSetDOD067( PlanetLonFromVE, xyr_Press, xyz_Press, xyr_DOD067 )


    ! 短波放射
    ! Short wave radiation
    !


!!$    QeRat   = 0.9837_DP    !   Ockert-Bell et al. (1997)
!!$    xyz_SSA = 0.86_DP
!!$    xyz_AF  = 0.68_DP
!!$    QeRat   = 1.0_DP       !   Clancy and Lee (1991)
    SSA = 0.92_DP
    AF  = 0.55_DP


    call RadRTETwoStreamAppHomogAtm( xy_SurfAlbedo, SolarFluxTOA, xy_InAngle, SSA, AF, xyr_DOD067, xyr_RadSUwFlux, xyr_RadSDwFlux )


!!$      MaxError = 0.0_DP
!!$      do k = 0, kmax
!!$        do j = 1, jmax
!!$          do i = 0, imax-1
!!$            MaxError = max( MaxError, &
!!$              & abs( OLD_xyr_RadSFlux(i,j,k) - xyr_RadSFlux(i,j,k) ) )
!!$            MaxError = max( MaxError, &
!!$              & abs( OLD_xyr_RadSFlux(i,j,k) - ( xyr_RadSUwFlux(i,j,k) - xyr_RadSDwFlux(i,j,k) ) ) )
!!$          end do
!!$        end do
!!$      end do
!!$      write( 6, * ) MaxError
!!$      write( 6, * ) MaxError, xyr_RadSUwFlux(0,jmax/2+1,kmax)

!!$      MaxError = 0.0_DP
!!$      do k = 0, kmax
!!$        do j = 1, jmax
!!$          do i = 0, imax-1
!!$            MaxError = max( MaxError, &
!!$              & abs( OLD_xyr_RadLFlux(i,j,k) - xyr_RadLFlux(i,j,k) ) )
!!$            MaxError = max( MaxError, &
!!$              & abs( OLD_xyra_DelRadLFlux(i,j,k,0) - xyra_DelRadLFlux(i,j,k,0) ) )
!!$            MaxError = max( MaxError, &
!!$              & abs( OLD_xyra_DelRadLFlux(i,j,k,1) - xyra_DelRadLFlux(i,j,k,1) ) )
!!$          end do
!!$        end do
!!$      end do
!!$      write( 6, * ) MaxError
!!$      !
!!$      xyr_RadSFlux     = OLD_xyr_RadSFlux
!!$      xyr_RadLFlux     = OLD_xyr_RadLFlux
!!$      xyra_DelRadLFlux = OLD_xyra_DelRadLFlux

!!$      xyr_RadSUwFlux     = OLD_xyr_RadSFlux
!!$      xyr_RadSDwFlux     = 0.0_DP


    ! 長波放射
    ! Long wave radiation
    !

    !   Surface albedo for long wave is set.
    !
    xy_LWSurfAlbedo = 0.0_DP

    xyr_RadLUwFlux     = 0.0_DP
    xyr_RadLDwFlux     = 0.0_DP
    xyra_DelRadLUwFlux = 0.0_DP
    xyra_DelRadLDwFlux = 0.0_DP


    !  Surface emissivity
    !
    xy_SurfEmis = 1.0_DP

    MajCompIceThreshold = CO2IceThreshold
    do j = 1, jmax
      if ( y_Lat(j) < 0.0_DP ) then
        MajCompIceEmis = CO2IceEmisS
      else
        MajCompIceEmis = CO2IceEmisN
      end if
      do i = 0, imax-1
        if ( xy_SurfType(i,j) > 0 ) then
          if ( xy_SurfMajCompIce(i,j) > MajCompIceThreshold ) then
            xy_SurfEmis(i,j) = MajCompIceEmis
          else if ( xy_SurfMajCompIce(i,j) < 0.0_DP ) then
            xy_SurfEmis(i,j) = xy_SurfEmis(i,j)
          else
            xy_SurfEmis(i,j) = ( MajCompIceEmis         - xy_SurfEmis(i,j) ) / ( MajCompIceThreshold    - 0.0_DP           ) * ( xy_SurfMajCompIce(i,j) - 0.0_DP           ) + xy_SurfEmis(i,j)
          end if
        end if
      end do
    end do


    !    Flux from 0 to 500 cm-1
    !
    WNs     =   0.0d2
    WNe     = 500.0d2
    QeRat   = 0.17_DP                       ! Wavenumber averaged extinction coefficient
    SSA     = 0.35_DP
    AF      = 0.36_DP

    xyz_SSA = SSA
    xyz_AF  = AF

    xyr_DOD = QeRat * xyr_DOD067

    !----------
    !    Modification of dust optical depth for use in non-scattering calculation
!!$    xyr_DOD = ( 1.0_DP - SSA ) * xyr_DOD
    !
!!$    do k = 1, kmax
!!$      xyz_DelTrans(:,:,k) = exp( - DiffFact * ( xyr_DOD(:,:,k-1) - xyr_DOD(:,:,k) ) )
!!$    end do
!!$    !
!!$    do k = 0, kmax
!!$      do kk = k, k
!!$        xyrr_Trans(:,:,k,kk) = 1.0_DP
!!$      end do
!!$      do kk = k+1, kmax
!!$        xyrr_Trans(:,:,k,kk) = xyrr_Trans(:,:,k,kk-1) * xyz_DelTrans(:,:,kk)
!!$      end do
!!$    end do
!!$    do k = 0, kmax
!!$      do kk = 0, k-1
!!$        xyrr_Trans(:,:,k,kk) = xyrr_Trans(:,:,kk,k)
!!$      end do
!!$    end do
!!$    !
!!$    call RadRTENonScatWrapper(                          &
!!$      & xyz_Temp, xy_SurfTemp, xy_SurfEmis, xyrr_Trans, & ! (in )
!!$      & xyr_RadLUwFluxComp, xyr_RadLDwFluxComp,         & ! (out)
!!$      & xyra_DelRadLUwFluxComp, xyra_DelRadLDwFluxComp, & ! (out)
!!$      & WNs, WNe, NumGaussNode                          & ! (in ) optional
!!$      & )

    !----------

!!$    i = 0
!!$    j = jmax/2+1
!!$    do k = 0, kmax
!!$      write( 70, * ) k, &
!!$        & xyr_RadLUwFluxComp(i,j,k), &
!!$        & xyr_RadLDwFluxComp(i,j,k), &
!!$        & xyra_DelRadLUwFluxComp(i,j,k,0), &
!!$        & xyra_DelRadLUwFluxComp(i,j,k,1), &
!!$        & xyra_DelRadLDwFluxComp(i,j,k,0), &
!!$        & xyra_DelRadLDwFluxComp(i,j,k,1)
!!$    end do
!!$    call flush( 70 )


    ! Integrate Planck function and temperature derivative of it
    !
    call Integ_PF_GQ_Array3D( WNs, WNe, NumGaussNode, 0, imax-1, 1, jmax, 0, kmax, xyr_Temp, xyr_IntPF )
    call Integ_PF_GQ_Array2D( WNs, WNe, NumGaussNode, 0, imax-1, 1, jmax, xy_SurfTemp, xy_SurfIntPF )
!    call Integ_DPFDT_GQ_Array2D(             &
!      & WNs, WNe, NumGaussNode,              & ! (in )
!      & 0, imax-1, 1, jmax, xyz_Temp(:,:,1), & ! (in )
!      & xy_IntDPFDT1                         & ! (out)
!      & )
    call Integ_DPFDT_GQ_Array2D( WNs, WNe, NumGaussNode, 0, imax-1, 1, jmax, xy_SurfTemp, xy_SurfIntDPFDT )
    !
    xyr_IntPF       =               PI * xyr_IntPF
    xy_SurfIntPF    = xy_SurfEmis * PI * xy_SurfIntPF
!    xy_IntDPFDT1    =               PI * xy_IntDPFDT1
    xy_SurfIntDPFDT = xy_SurfEmis * PI * xy_SurfIntDPFDT
    !
    call RadRTETwoStreamAppLW( xyz_SSA, xyz_AF, xyr_DOD, xy_LWSurfAlbedo, xyr_IntPF, xy_SurfIntPF, xy_SurfIntDPFDT, xyr_RadLUwFluxComp, xyr_RadLDwFluxComp, xyra_DelRadLUwFluxComp, xyra_DelRadLDwFluxComp )

!!$    i = 0
!!$    j = jmax/2+1
!!$    do k = 0, kmax
!!$      write( 80, * ) k, &
!!$        & xyr_RadLUwFluxComp(i,j,k), &
!!$        & xyr_RadLDwFluxComp(i,j,k), &
!!$        & xyra_DelRadLUwFluxComp(i,j,k,0), &
!!$        & xyra_DelRadLUwFluxComp(i,j,k,1), &
!!$        & xyra_DelRadLDwFluxComp(i,j,k,0), &
!!$        & xyra_DelRadLDwFluxComp(i,j,k,1)
!!$    end do
!!$    call flush( 80 )
!!$    stop

    !----------

    xyr_RadLUwFlux     = xyr_RadLUwFlux     + xyr_RadLUwFluxComp
    xyr_RadLDwFlux     = xyr_RadLDwFlux     + xyr_RadLDwFluxComp
    xyra_DelRadLUwFlux = xyra_DelRadLUwFlux + xyra_DelRadLUwFluxComp
    xyra_DelRadLDwFlux = xyra_DelRadLDwFlux + xyra_DelRadLDwFluxComp



    !    Flux from 500 to 850 cm-1
    !

    QeRat = 0.25_DP                      ! Wavenumber averaged extinction coefficient
    SSA   = 0.45_DP                      ! Wavenumber averaged single scattering albedo

    call rad15m_main( TimeN, DelTime, xyz_Temp, xyr_Press, xyz_Press, xy_SurfTemp, xyr_DOD067, QeRat, SSA, xy_SurfEmis, xyr_RadLUwFluxComp, xyra_DelRadLUwFluxComp )
    xyr_RadLDwFluxComp     = 0.0_DP
    xyra_DelRadLDwFluxComp = 0.0_DP

    xyr_RadLUwFlux     = xyr_RadLUwFlux     + xyr_RadLUwFluxComp
    xyr_RadLDwFlux     = xyr_RadLDwFlux     + xyr_RadLDwFluxComp
    xyra_DelRadLUwFlux = xyra_DelRadLUwFlux + xyra_DelRadLUwFluxComp
    xyra_DelRadLDwFlux = xyra_DelRadLDwFlux + xyra_DelRadLDwFluxComp



    !    Flux from 850 to 2000 cm-1
    !
    WNs     =  850.0d2
    WNe     = 2000.0d2
    QeRat   =    0.41_DP                    ! Wavenumber averaged extinction coefficient
    SSA     = 0.55_DP
    AF      = 0.55_DP

    xyz_SSA = SSA
    xyz_AF  = AF

    xyr_DOD = QeRat * xyr_DOD067

    !----------
    !    Modification of dust optical depth for use in non-scattering calculation
!!$    xyr_DOD = ( 1.0_DP - SSA ) * xyr_DOD
    !
!!$    do k = 1, kmax
!!$      xyz_DelTrans(:,:,k) = exp( - DiffFact * ( xyr_DOD(:,:,k-1) - xyr_DOD(:,:,k) ) )
!!$    end do
!!$    !
!!$    do k = 0, kmax
!!$      do kk = k, k
!!$        xyrr_Trans(:,:,k,kk) = 1.0_DP
!!$      end do
!!$      do kk = k+1, kmax
!!$        xyrr_Trans(:,:,k,kk) = xyrr_Trans(:,:,k,kk-1) * xyz_DelTrans(:,:,kk)
!!$      end do
!!$    end do
!!$    do k = 0, kmax
!!$      do kk = 0, k-1
!!$        xyrr_Trans(:,:,k,kk) = xyrr_Trans(:,:,kk,k)
!!$      end do
!!$    end do
!!$    !
!!$    call RadRTENonScatWrapper(                          &
!!$      & xyz_Temp, xy_SurfTemp, xy_SurfEmis, xyrr_Trans, & ! (in )
!!$      & xyr_RadLUwFluxComp, xyr_RadLDwFluxComp,         & ! (out)
!!$      & xyra_DelRadLUwFluxComp, xyra_DelRadLDwFluxComp, & ! (out)
!!$      & WNs, WNe, NumGaussNode                          & ! (in ) optional
!!$      & )
    !----------


    ! Integrate Planck function and temperature derivative of it
    !
    call Integ_PF_GQ_Array3D( WNs, WNe, NumGaussNode, 0, imax-1, 1, jmax, 0, kmax, xyr_Temp, xyr_IntPF )
    call Integ_PF_GQ_Array2D( WNs, WNe, NumGaussNode, 0, imax-1, 1, jmax, xy_SurfTemp, xy_SurfIntPF )
!    call Integ_DPFDT_GQ_Array2D(             &
!      & WNs, WNe, NumGaussNode,              & ! (in )
!      & 0, imax-1, 1, jmax, xyz_Temp(:,:,1), & ! (in )
!      & xy_IntDPFDT1                         & ! (out)
!      & )
    call Integ_DPFDT_GQ_Array2D( WNs, WNe, NumGaussNode, 0, imax-1, 1, jmax, xy_SurfTemp, xy_SurfIntDPFDT )
    !
    xyr_IntPF       =               PI * xyr_IntPF
    xy_SurfIntPF    = xy_SurfEmis * PI * xy_SurfIntPF
!    xy_IntDPFDT1    =               PI * xy_IntDPFDT1
    xy_SurfIntDPFDT = xy_SurfEmis * PI * xy_SurfIntDPFDT
    !
    call RadRTETwoStreamAppLW( xyz_SSA, xyz_AF, xyr_DOD, xy_LWSurfAlbedo, xyr_IntPF, xy_SurfIntPF, xy_SurfIntDPFDT, xyr_RadLUwFluxComp, xyr_RadLDwFluxComp, xyra_DelRadLUwFluxComp, xyra_DelRadLDwFluxComp )

    !----------

    xyr_RadLUwFlux     = xyr_RadLUwFlux     + xyr_RadLUwFluxComp
    xyr_RadLDwFlux     = xyr_RadLDwFlux     + xyr_RadLDwFluxComp
    xyra_DelRadLUwFlux = xyra_DelRadLUwFlux + xyra_DelRadLUwFluxComp
    xyra_DelRadLDwFlux = xyra_DelRadLDwFlux + xyra_DelRadLDwFluxComp



    ! Output variables
    !
    call HistoryAutoPut( TimeN, 'DOD067', xyr_DOD067(:,:,0) )


  end subroutine RadMarsV1Flux

  subroutine RadMarsV1Init

    ! ファイル入出力補助
    ! File I/O support
    !
    use dc_iounit, only: FileOpen

    ! NAMELIST ファイル入力に関するユーティリティ
    ! Utilities for NAMELIST file input
    !
    use namelist_util, only: namelist_filename, NmlutilMsg, NmlutilAryValid

    ! メッセージ出力
    ! Message output
    !
    use dc_message, only: MessageNotify

    ! ヒストリデータ出力
    ! History data output
    !
    use gtool_historyauto, only: HistoryAutoAddVariable

    ! 短波入射 (太陽入射)
    ! Short wave (insolation) incoming
    !
    use rad_short_income, only : RadShortIncomeInit

    ! 散乱を無視した放射伝達方程式
    ! Radiative transfer equation without considering scattering
    !
    use rad_rte_nonscat, only : RadRTENonScatInit

    !
    ! Solve radiative transfer equation in two stream approximation
    !
    use rad_rte_two_stream_app, only: RadRTETwoStreamAppInit

    use set_Mars_dust, only : SetMarsDustInit

    ! 宣言文 ; Declaration statements
    !

    integer:: unit_nml        ! NAMELIST ファイルオープン用装置番号.
                              ! Unit number for NAMELIST file open
    integer:: iostat_nml      ! NAMELIST 読み込み時の IOSTAT.
                              ! IOSTAT of NAMELIST read

    ! NAMELIST 変数群
    ! NAMELIST group name
    !
    namelist /rad_Mars_V1_nml/ SolarConst
          !
          ! デフォルト値については初期化手続 "rad_Mars_V1#RadMarsV1Init"
          ! のソースコードを参照のこと.
          !
          ! Refer to source codes in the initialization procedure
          ! "rad_Mars_V1#RadMarsV1Init" for the default values.
          !


    ! デフォルト値の設定
    ! Default values settings
    !
    SolarConst      = 1380.0_DP / 1.52_DP**2

    ! NAMELIST の読み込み
    ! NAMELIST is input
    !
    if ( trim(namelist_filename) /= '' ) then
      call FileOpen( unit_nml, namelist_filename, mode = 'r' ) ! (in)

      rewind( unit_nml )
      read( unit_nml, nml = rad_Mars_V1_nml, iostat = iostat_nml )             ! (out)
      close( unit_nml )

      call NmlutilMsg( iostat_nml, module_name ) ! (in)
    end if


    ! Initialization of modules used in this module
    !

    ! 短波入射 (太陽入射)
    ! Short wave (insolation) incoming
    !
    call RadShortIncomeInit

    ! 散乱を無視した放射伝達方程式
    ! Radiative transfer equation without considering scattering
    !
    call RadRTENonScatInit

    !
    ! Solve radiative transfer equation in two stream approximation
    !
    call RadRTETwoStreamAppInit

    call SetMarsDustInit

    ! ヒストリデータ出力のためのへの変数登録
    ! Register of variables for history data output
    !
    call HistoryAutoAddVariable( 'DOD067', (/ 'lon ', 'lat ', 'time' /), 'dust optical depth at 0.67 micron meter at the surface', '1' )


    ! 印字 ; Print
    !
    call MessageNotify( 'M', module_name, '----- Initialization Messages -----' )
    call MessageNotify( 'M', module_name, 'SolarConst = %f', d = (/ SolarConst /) )
    call MessageNotify( 'M', module_name, '-- version = %c', c1 = trim(version) )


    rad_Mars_V1_inited = .true.

  end subroutine RadMarsV1Init