Class saturation_adjust
In: lscond/saturation_adjust.f90

Saturation adjustment

Note that Japanese and English are described in parallel.

Adjust temperature and specific humidity by the use of saturation adjustment

References

!$ ! Manabe, S., J. Smagorinsky, R. F. Strickler, !$ ! Simulated climatology of a general circulation model with a hydrologic cycle, !$ ! Mon. Wea. Rev., 93, 769-798, 1965.

Procedures List

SaturationAdjust :æ¸�º¦���湿ã���ç¯�
—————- :————
SaturationAdjust :Adjust temperature and specific humidity

NAMELIST

NAMELIST#saturation_adjust_nml

Methods

FlagSublimation   SaturationAdjust   SaturationAdjustInit   module_name   saturation_adjust_inited   version  

Included Modules

gridset dc_types dc_message constants timeset gtool_historyauto saturate lscond namelist_util dc_iounit dc_string

Public Instance methods

SaturationAdjust( xyz_Temp, xyz_QVap, xyz_QH2OLiq, xyz_Press, xyr_Press, xyz_DQH2OLiqDt )
Subroutine :
xyz_Temp(0:imax-1, 1:jmax, 1:kmax) :real(DP), intent(inout)
: $ T $ . æ¸�º¦. Temperature
xyz_QVap(0:imax-1, 1:jmax, 1:kmax) :real(DP), intent(inout)
: $ q $ . ��. Specific humidity
xyz_QH2OLiq(0:imax-1, 1:jmax, 1:kmax) :real(DP), intent(in )
: $ q_w $ . �²æ°´æ··å��æ¯�. Cloud water mixing ratio
xyz_Press(0:imax-1, 1:jmax, 1:kmax) :real(DP), intent(in)
: $ p $ . æ°��� (�´æ�°ã������). Air pressure (full level)
xyr_Press(0:imax-1, 1:jmax, 0:kmax) :real(DP), intent(in)
: $ hat{p} $ . æ°��� (���´æ�°ã������). Air pressure (half level)
xyz_DQH2OLiqDt(0:imax-1,1:jmax,1:kmax) :real(DP), intent(out)

Adjust temperature and specific humidity by the use of saturation adjustment

[Source]

  subroutine SaturationAdjust( xyz_Temp, xyz_QVap, xyz_QH2OLiq, xyz_Press, xyr_Press, xyz_DQH2OLiqDt )
    !
    ! 
    !
    ! Adjust temperature and specific humidity by the use of saturation 
    ! adjustment
    !

    ! �¢ã�¸ã�¥ã�¼ã����� ; USE statements
    !

    ! ����å®��°è¨­å®�
    ! Physical constants settings
    !
    use constants, only: Grav, CpDry, LatentHeat, LatentHeatFusion
                              ! $ L $ [J kg-1] .
                              ! ��解����.
                              ! Latent heat of fusion

    ! ���»ç���
    ! Time control
    !
    use timeset, only: DelTime, TimeN, TimesetClockStart, TimesetClockStop

    ! ���¹ã�������¼ã�¿å�ºå��
    ! History data output
    !
    use gtool_historyauto, only: HistoryAutoPut

    ! 飽��湿����
    ! Evaluate saturation specific humidity
    !
    use saturate, only: xyz_CalcQVapSat

    ! 大è�模å��çµ� (��対æ��§å��çµ�) (Manabe, 1965)
    ! Large scale condensation (non-convective condensation) (Le Treut and Li, 1991)
    use lscond, only : LScaleCond


    ! 宣�� ; Declaration statements
    !
    implicit none

    real(DP), intent(inout):: xyz_Temp (0:imax-1, 1:jmax, 1:kmax)
                              ! $ T $ .     æ¸�º¦. Temperature
    real(DP), intent(inout):: xyz_QVap   (0:imax-1, 1:jmax, 1:kmax)
                              ! $ q $ .     ��. Specific humidity
    real(DP), intent(in   ):: xyz_QH2OLiq(0:imax-1, 1:jmax, 1:kmax)
                              ! $ q_w $ .   �²æ°´æ··å��æ¯�. Cloud water mixing ratio
    real(DP), intent(in):: xyz_Press (0:imax-1, 1:jmax, 1:kmax)
                              ! $ p $ . æ°��� (�´æ�°ã������). 
                              ! Air pressure (full level)
    real(DP), intent(in):: xyr_Press (0:imax-1, 1:jmax, 0:kmax)
                              ! $ \hat{p} $ . æ°��� (���´æ�°ã������). 
                              ! Air pressure (half level)
    real(DP), intent(out) :: xyz_DQH2OLiqDt(0:imax-1,1:jmax,1:kmax)


    ! �業��
    ! Work variables
    !
    real(DP):: xyz_QVapSat      (0:imax-1, 1:jmax, 1:kmax)
                              ! 飽���.
                              ! Saturation specific humidity.
    real(DP):: xy_RainLsc (0:imax-1, 1:jmax)
                              ! ��水�. 
                              ! Precipitation
    real(DP):: xyz_DTempDtLsc (0:imax-1, 1:jmax, 1:kmax)
                              ! æ¸�º¦å¤�����. 
                              ! Temperature tendency
    real(DP):: xyz_DQVapDtLsc (0:imax-1, 1:jmax, 1:kmax)
                              ! �湿����. 
                              ! Specific humidity tendency

    real(DP):: xyz_QVapB (0:imax-1, 1:jmax, 1:kmax)
                              ! 調������. 
                              ! Specific humidity before adjust. 
    real(DP):: xyz_QH2OLiqB (0:imax-1, 1:jmax, 1:kmax)
                              ! 調ç������²æ°´æ··å��æ¯�. 
                              ! Mixing ratio of cloud water before adjust. 
    real(DP):: xyz_TempB (0:imax-1, 1:jmax, 1:kmax)
                              ! 調ç�����¸©åº�. 
                              ! Temperature before adjust. 
                              !
    real(DP):: xyz_RainLSC(0:imax-1, 1:jmax, 1:kmax)

    real(DP):: xyz_EvapQH2OLiq(0:imax-1, 1:jmax, 1:kmax)
    real(DP):: TempTentative

    real(DP):: LatentHeatLocal
                              ! 
                              ! Latent heat used in this routine
    integer:: i
    integer:: j
    integer:: k               ! ���´æ�¹å�������� DO ���¼ã�����業å���
                              ! Work variables for DO loop in vertical direction



    ! ���� ; Executable statement
    !

    ! ������確è�
    ! Initialization check
    !
    if ( .not. saturation_adjust_inited ) then
      call MessageNotify( 'E', module_name, 'This module has not been initialized.' )
    end if


    ! �����������
    ! Start measurement of computation time
    !
    call TimesetClockStart( module_name )


    ! Set a value for latent heat
    if ( FlagSublimation ) then
      LatentHeatLocal = LatentHeat + LatentHeatFusion
    else
      LatentHeatLocal = LatentHeat
    end if


    ! 調�� "QVap", "QH2OLiq", "Temp" ����
    ! Store "QVap", "QH2OLiq", "Temp" before adjustment
    !
    xyz_QVapB    = xyz_QVap
    xyz_QH2OLiqB = xyz_QH2OLiq
    xyz_TempB    = xyz_Temp

    ! 飽å��æ¯�湿è�ç®�
    ! Calculate saturation specific humidity
    !
    xyz_QVapSat = xyz_CalcQVapSat( xyz_Temp, xyz_Press )

    ! Evaporate all of cloud liquid water temporarily
!!$    xyz_EvapQH2OLiq = xyz_QH2OLiq
    ! Evaporate part of cloud liquid water temporarily
    do k = 1, kmax
      do j = 1, jmax
        do i = 0, imax-1
          xyz_EvapQH2OLiq(i,j,k) = min( max( xyz_QVapSat(i,j,k), xyz_QVap(i,j,k) ) - xyz_QVap(i,j,k), xyz_QH2OLiq(i,j,k) )
          xyz_EvapQH2OLiq(i,j,k) = xyz_EvapQH2OLiq(i,j,k) * ( 1.0_DP - 1.0e-10_DP )
          TempTentative = xyz_Temp(i,j,k) - LatentHeatLocal * xyz_EvapQH2OLiq(i,j,k) / CpDry
          if ( TempTentative < 1.0_DP ) then
            TempTentative = 1.0_DP
            xyz_EvapQH2OLiq(i,j,k) = ( xyz_Temp(i,j,k) - TempTentative ) / ( LatentHeatLocal / CpDry )
          end if
        end do
      end do
    end do
    !
    xyz_Temp    = xyz_Temp    - LatentHeatLocal * xyz_EvapQH2OLiq / CpDry
    xyz_QVap    = xyz_QVap    +                   xyz_EvapQH2OLiq
    ! QH2OLiq will be updated in cloud model. Tendency will be updated below.
!!$    xyz_QH2OLiq = 0.0_DP


    call LScaleCond( xyz_Temp, xyz_QVap, xyz_Press, xyr_Press, xyz_DQH2OLiqDt, .false. )


    ! æ¯�湿å�����, æ¸�º¦å¤�����, ��æ°´é������
    ! Calculate specific humidity tendency, temperature tendency, 
    ! precipitation
    !
    xyz_DQVapDtLsc = ( xyz_QVap - xyz_QVapB ) / ( 2.0_DP * DelTime )
    xyz_DTempDtLsc = ( xyz_Temp - xyz_TempB ) / ( 2.0_DP * DelTime )


    xyz_DQH2OLiqDt = xyz_DQH2OLiqDt - xyz_EvapQH2OLiq / ( 2.0_DP * DelTime )


    ! calculation for output
    xy_RainLsc     = 0.0_DP
    do k = kmax, 1, -1
      xy_RainLsc = xy_RainLsc + xyz_DQH2OLiqDt(:,:,k) * ( xyr_Press(:,:,k-1) - xyr_Press(:,:,k) ) / Grav
    end do


    ! ���¹ã�������¼ã�¿å�ºå��
    ! History data output
    !
    call HistoryAutoPut( TimeN, 'RainLsc',    xy_RainLsc     )
    call HistoryAutoPut( TimeN, 'DTempDtLsc', xyz_DTempDtLsc )
    call HistoryAutoPut( TimeN, 'DQVapDtLsc', xyz_DQVapDtLsc )


    ! ��������������
    ! Pause measurement of computation time
    !
    call TimesetClockStop( module_name )

  end subroutine SaturationAdjust
SaturationAdjustInit( FlagSnow )
Subroutine :
FlagSnow :logical, intent(in)

saturation_adjust �¢ã�¸ã�¥ã�¼ã������������è¡����¾ã��. NAMELIST#saturation_adjust_nml ����¿è¾¼�¿ã��������ç¶����§è�����¾ã��.

"saturation_adjust" module is initialized. "NAMELIST#saturation_adjust_nml" is loaded in this procedure.

This procedure input/output NAMELIST#saturation_adjust_nml .

[Source]

  subroutine SaturationAdjustInit( FlagSnow )
    !
    ! saturation_adjust �¢ã�¸ã�¥ã�¼ã������������è¡����¾ã��. 
    ! NAMELIST#saturation_adjust_nml ����¿è¾¼�¿ã��������ç¶����§è�����¾ã��. 
    !
    ! "saturation_adjust" module is initialized. 
    ! "NAMELIST#saturation_adjust_nml" is loaded in this procedure. 
    !

    ! �¢ã�¸ã�¥ã�¼ã����� ; USE statements
    !

    ! NAMELIST ���¡ã�¤ã���¥å�����¢ã�������¼ã���£ã������
    ! Utilities for NAMELIST file input
    !
    use namelist_util, only: namelist_filename, NmlutilMsg, NmlutilAryValid

    ! ���¡ã�¤ã���¥å�ºå��è£���
    ! File I/O support
    !
    use dc_iounit, only: FileOpen

    ! ç¨��¥å�������¡ã��
    ! Kind type parameter
    !
    use dc_types, only: STDOUT ! æ¨�æº��ºå�����ç½����. Unit number of standard output

    ! ��������
    ! Character handling
    !
    use dc_string, only: StoA

    ! ���¹ã�������¼ã�¿å�ºå��
    ! History data output
    !
    use gtool_historyauto, only: HistoryAutoAddVariable

    ! 飽��湿����
    ! Evaluate saturation specific humidity
    !
    use saturate, only: SaturateInit

    ! 大è�模å��çµ� (��対æ��§å��çµ�) (Manabe, 1965)
    ! Large scale condensation (non-convective condensation) (Le Treut and Li, 1991)
    use lscond, only : LScaleCondInit

    ! 宣�� ; Declaration statements
    !
    implicit none

    logical, intent(in) :: FlagSnow


    integer:: unit_nml        ! NAMELIST ���¡ã�¤ã�����¼ã���³ç���ç½����. 
                              ! Unit number for NAMELIST file open
    integer:: iostat_nml      ! NAMELIST 読ã�¿è¾¼�¿æ���� IOSTAT. 
                              ! IOSTAT of NAMELIST read

    ! NAMELIST å¤��°ç¾¤
    ! NAMELIST group name
    !
    namelist /saturation_adjust_nml/ FlagSublimation
          !
          ! �����������¤ã���¤ã��������������ç¶� "saturation_adjust#SaturationAdjustInit" 
          ! ���½ã�¼ã�¹ã�³ã�¼ã�������§ã������. 
          !
          ! Refer to source codes in the initialization procedure
          ! "saturation_adjust#SaturationAdjustInit" for the default values. 
          !

    ! ���� ; Executable statement
    !

    if ( saturation_adjust_inited ) return


    ! �����������¤ã��¨­å®�
    ! Default values settings
    !
    FlagSublimation = .false.

    ! NAMELIST ����¿è¾¼��
    ! NAMELIST is input
    !
    if ( trim(namelist_filename) /= '' ) then
      call FileOpen( unit_nml, namelist_filename, mode = 'r' ) ! (in)

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

      call NmlutilMsg( iostat_nml, module_name ) ! (in)
      if ( iostat_nml == 0 ) write( STDOUT, nml = saturation_adjust_nml )
    end if

    ! Initialization of modules used in this routine

    ! 飽��湿����
    ! Evaluate saturation specific humidity
    !
    call SaturateInit

    ! 大è�模å��çµ� (��対æ��§å��çµ�) (Manabe, 1965)
    ! Large scale condensation (non-convective condensation) (Le Treut and Li, 1991)
    !
    call LScaleCondInit( FlagSnow )


    ! ���¹ã�������¼ã�¿å�ºå�����������¸ã����°ç�»é��
    ! Register of variables for history data output
    !
    ! HistoryAutoAddVariable is called in LScaleCond for variables below.
    !
!!$    call HistoryAutoAddVariable( 'RainLsc', &
!!$      & (/ 'lon ', 'lat ', 'time' /), &
!!$      & 'precipitation by large scale condensation', 'kg m-2 s-1' )
!!$    call HistoryAutoAddVariable( 'DTempDtLsc', &
!!$      & (/ 'lon ', 'lat ', 'sig ', 'time' /), &
!!$      & 'large-scale condensation heating', 'K s-1' )
!!$    call HistoryAutoAddVariable( 'DQVapDtLsc', &
!!$      & (/ 'lon ', 'lat ', 'sig ', 'time' /), &
!!$      & 'large-scale condensation moistening', 'kg kg-1 s-1' )

    ! �°å� ; Print
    !
    call MessageNotify( 'M', module_name, '----- Initialization Messages -----' )
    call MessageNotify( 'M', module_name, '  FlagSublimation = %b', l = (/ FlagSublimation /) )
    call MessageNotify( 'M', module_name, '-- version = %c', c1 = trim(version) )

    saturation_adjust_inited = .true.

  end subroutine SaturationAdjustInit

Private Instance methods

FlagSublimation
Variable :
FlagSublimation :logical, save
: flag for treating sublimation
module_name
Constant :
module_name = ‘saturation_adjust‘ :character(*), parameter
: �¢ã�¸ã�¥ã�¼ã������ç§�. Module name
saturation_adjust_inited
Variable :
saturation_adjust_inited = .false. :logical, save
: ����設������. Initialization flag
version
Constant :
version = ’$Name: $’ // ’$Id: saturation_adjust.f90,v 1.4 2015/01/29 12:03:22 yot Exp $’ :character(*), parameter
: �¢ã�¸ã�¥ã�¼ã�������¼ã�¸ã�§ã�� Module version