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!
! ###############################
FUNCTION MXF(PA) RESULT(PMXF)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *MXF* - Shuman operator : mean operator in x direction for a
!! variable at a flux side
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a mean
! along the x direction (I index) for a field PA localized at a x-flux
! point (u point). The result is localized at a mass point.
!
!!** METHOD
!! ------
!! The result PMXF(i,:,:) is defined by 0.5*(PA(i,:,:)+PA(i+1,:,:))
!! At i=size(PA,1), PMXF(i,:,:) are replaced by the values of PMXF,
!! which are the right values in the x-cyclic case
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 04/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at flux
! side
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PMXF ! result at mass
! localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JI ! Loop index in x direction
INTEGER :: IIU ! upper bound in x direction of PA
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF MXF
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('MXF',0,ZHOOK_HANDLE)
IIU = SIZE(PA,1)
!
!POUR AROME
PMXF=PA
!
!DO JI=1,IIU-1
! PMXF(JI,:,:) = 0.5*( PA(JI,:,:)+PA(JI+1,:,:) )
!END DO
!
!PMXF(IIU,:,:) = PMXF(2*JPHEXT,:,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('MXF',1,ZHOOK_HANDLE)
END FUNCTION MXF
!
!
! ###############################
FUNCTION MXM(PA) RESULT(PMXM)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *MXM* - Shuman operator : mean operator in x direction for a
!! mass variable
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a mean
! along the x direction (I index) for a field PA localized at a mass
! point. The result is localized at a x-flux point (u point).
!
!!** METHOD
!! ------
!! The result PMXM(i,:,:) is defined by 0.5*(PA(i,:,:)+PA(i-1,:,:))
!! At i=1, PMXM(1,:,:) are replaced by the values of PMXM,
!! which are the right values in the x-cyclic case.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 04/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at mass localization
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PMXM ! result at flux localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JI ! Loop index in x direction
INTEGER :: IIU ! Size of the array in the x direction
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF MXM
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('MXM',0,ZHOOK_HANDLE)
IIU = SIZE(PA,1)
!
!POUR AROME
PMXM=PA
!
!DO JI=2,IIU
! PMXM(JI,:,:) = 0.5*( PA(JI,:,:)+PA(JI-1,:,:) )
!END DO
!
!PMXM(1,:,:) = PMXM(IIU-2*JPHEXT+1,:,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('MXM',1,ZHOOK_HANDLE)
END FUNCTION MXM
!
!
! ###############################
FUNCTION MYF(PA) RESULT(PMYF)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *MYF* - Shuman operator : mean operator in y direction for a
!! variable at a flux side
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a mean
! along the y direction (J index) for a field PA localized at a y-flux
! point (v point). The result is localized at a mass point.
!
!!** METHOD
!! ------
!! The result PMYF(i,:,:) is defined by 0.5*(PA(:,j,:)+PA(:,j+1,:))
!! At j=size(PA,2), PMYF(:,j,:) are replaced by the values of PMYF,
!! which are the right values in the y-cyclic case
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 04/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at flux
! side
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PMYF ! result at mass
! localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JJ ! Loop index in y direction
INTEGER :: IJU ! upper bound in y direction of PA
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF MYF
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('MYF',0,ZHOOK_HANDLE)
IJU = SIZE(PA,2)
!POUR AROME
PMYF=PA
!
!DO JJ=1,IJU-1
! PMYF(:,JJ,:) = 0.5*( PA(:,JJ,:)+PA(:,JJ+1,:) )
!END DO
!
!PMYF(:,IJU,:) = PMYF(:,2*JPHEXT,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('MYF',1,ZHOOK_HANDLE)
END FUNCTION MYF
!
!
! ###############################
FUNCTION MYM(PA) RESULT(PMYM)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *MYM* - Shuman operator : mean operator in y direction for a
!! mass variable
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a mean
! along the y direction (J index) for a field PA localized at a mass
! point. The result is localized at a y-flux point (v point).
!
!!** METHOD
!! ------
!! The result PMYM(:,j,:) is defined by 0.5*(PA(:,j,:)+PA(:,j-1,:))
!! At j=1, PMYM(:,j,:) are replaced by the values of PMYM,
!! which are the right values in the y-cyclic case.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 04/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at mass localization
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PMYM ! result at flux localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JJ ! Loop index in y direction
INTEGER :: IJU ! Size of the array in the y direction
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF MYM
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('MYM',0,ZHOOK_HANDLE)
IJU=SIZE(PA,2)
!POUR AROME
PMYM=PA
!
!DO JJ=2,IJU
! PMYM(:,JJ,:) = 0.5*( PA(:,JJ,:)+PA(:,JJ-1,:) )
!END DO
!
!PMYM(:,1,:) = PMYM(:,IJU-2*JPHEXT+1,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('MYM',1,ZHOOK_HANDLE)
END FUNCTION MYM
!
!
! ###############################
FUNCTION MZF(PA, KKA, KKU, KL) RESULT(PMZF)
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USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *MZF* - Shuman operator : mean operator in z direction for a
!! variable at a flux side
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a mean
! along the z direction (K index) for a field PA localized at a z-flux
! point (w point). The result is localized at a mass point.
!
!!** METHOD
!! ------
!! The result PMZF(:,:,k) is defined by 0.5*(PA(:,:,k)+PA(:,:,k+1))
!! At k=size(PA,3), PMZF(:,:,k) is defined by -999.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! NONE
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 04/07/94
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at flux side
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INTEGER, INTENT(IN) :: KKA, KKU ! near ground and uppest atmosphere array indexes
INTEGER, INTENT(IN) :: KL ! +1 if grid goes from ground to atmosphere top, -1 otherwise
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PMZF ! result at mass
! localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JK ! Loop index in z direction
INTEGER :: IKT ! upper bound in z direction of PA
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF MZF
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('MZF',0,ZHOOK_HANDLE)
IKT = SIZE(PA,3)
DO JK=2,IKT-1
PMZF(:,:,JK) = 0.5*( PA(:,:,JK)+PA(:,:,JK+KL) )
END DO
PMZF(:,:,KKU) = -999.
PMZF(:,:,KKA) = 0.5*( PA(:,:,KKA)+PA(:,:,KKA+KL) )
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('MZF',1,ZHOOK_HANDLE)
END FUNCTION MZF
!
!
! ###############################
FUNCTION MZM(PA, KKA, KKU, KL) RESULT(PMZM)
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USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *MZM* - Shuman operator : mean operator in z direction for a
!! mass variable
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a mean
! along the z direction (K index) for a field PA localized at a mass
! point. The result is localized at a z-flux point (w point).
!
!!** METHOD
!! ------
!! The result PMZM(:,:,k) is defined by 0.5*(PA(:,:,k)+PA(:,:,k-1))
!! At k=1, PMZM(:,:,1) is defined by -999.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! NONE
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 04/07/94
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at mass localization
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INTEGER, INTENT(IN) :: KKA, KKU ! near ground and uppest atmosphere array indexes
INTEGER, INTENT(IN) :: KL ! +1 if grid goes from ground to atmosphere top, -1 otherwise
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PMZM ! result at flux localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JK ! Loop index in z direction
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF MZM
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('MZM',0,ZHOOK_HANDLE)
DO JK=2,SIZE(PA,3)-1
PMZM(:,:,JK) = 0.5*( PA(:,:,JK)+PA(:,:,JK-KL) )
END DO
PMZM(:,:,KKA) = -999.
PMZM(:,:,KKU) = 0.5*( PA(:,:,KKU)+PA(:,:,KKU-KL) )
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('MZM',1,ZHOOK_HANDLE)
END FUNCTION MZM
! ###############################
FUNCTION DXF(PA) RESULT(PDXF)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *DXF* - Shuman operator : finite difference operator in x direction
!! for a variable at a flux side
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a finite difference
! along the x direction (I index) for a field PA localized at a x-flux
! point (u point). The result is localized at a mass point.
!
!!** METHOD
!! ------
!! The result PDXF(i,:,:) is defined by (PA(i+1,:,:)-PA(i,:,:))
!! At i=size(PA,1), PDXF(i,:,:) are replaced by the values of PDXF,
!! which are the right values in the x-cyclic case
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 05/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at flux
! side
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PDXF ! result at mass
! localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JI ! Loop index in x direction
INTEGER :: IIU ! upper bound in x direction of PA
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF DXF
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('DXF',0,ZHOOK_HANDLE)
IIU = SIZE(PA,1)
!
DO JI=1,IIU-1
PDXF(JI,:,:) = PA(JI+1,:,:) - PA(JI,:,:)
END DO
!
!PDXF(IIU,:,:) = PDXF(2*JPHEXT,:,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('DXF',1,ZHOOK_HANDLE)
END FUNCTION DXF
!
!
! ###############################
FUNCTION DXM(PA) RESULT(PDXM)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *DXM* - Shuman operator : finite difference operator in x direction
!! for a variable at a mass localization
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a finite difference
! along the x direction (I index) for a field PA localized at a mass
! point. The result is localized at a x-flux point (u point).
!
!!** METHOD
!! ------
!! The result PDXM(i,:,:) is defined by (PA(i,:,:)-PA(i-1,:,:))
!! At i=1, PDXM(1,:,:) are replaced by the values of PDXM,
!! which are the right values in the x-cyclic case.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 05/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at mass
! localization
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PDXM ! result at flux
! side
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JI ! Loop index in x direction
INTEGER :: IIU ! Size of the array in the x direction
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF DXM
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('DXM',0,ZHOOK_HANDLE)
IIU = SIZE(PA,1)
!
DO JI=2,IIU
PDXM(JI,:,:) = PA(JI,:,:) - PA(JI-1,:,:)
END DO
!
PDXM(1,:,:) = PDXM(IIU-2*JPHEXT+1,:,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('DXM',1,ZHOOK_HANDLE)
END FUNCTION DXM
!
!
! ###############################
FUNCTION DYF(PA) RESULT(PDYF)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *DYF* - Shuman operator : finite difference operator in y direction
!! for a variable at a flux side
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a finite difference
! along the y direction (J index) for a field PA localized at a y-flux
! point (v point). The result is localized at a mass point.
!
!!** METHOD
!! ------
!! The result PDYF(:,j,:) is defined by (PA(:,j+1,:)-PA(:,j,:))
!! At j=size(PA,2), PDYF(:,j,:) are replaced by the values of PDYM,
!! which are the right values in the y-cyclic case
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 05/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at flux
! side
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PDYF ! result at mass
! localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JJ ! Loop index in y direction
INTEGER :: IJU ! upper bound in y direction of PA
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF DYF
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('DYF',0,ZHOOK_HANDLE)
IJU = SIZE(PA,2)
!
DO JJ=1,IJU-1
PDYF(:,JJ,:) = PA(:,JJ+1,:) - PA(:,JJ,:)
END DO
!
!PDYF(:,IJU,:) = PDYF(:,2*JPHEXT,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('DYF',1,ZHOOK_HANDLE)
END FUNCTION DYF
!
!
! ###############################
FUNCTION DYM(PA) RESULT(PDYM)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *DYM* - Shuman operator : finite difference operator in y direction
!! for a variable at a mass localization
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a finite difference
! along the y direction (J index) for a field PA localized at a mass
! point. The result is localized at a y-flux point (v point).
!
!!** METHOD
!! ------
!! The result PDYM(:,j,:) is defined by (PA(:,j,:)-PA(:,j-1,:))
!! At j=1, PDYM(:,1,:) are replaced by the values of PDYM,
!! which are the right values in the y-cyclic case.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_PARAMETERS: declaration of parameter variables
!! JPHEXT: define the number of marginal points out of the
!! physical domain along the horizontal directions.
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 05/07/94
!! Modification to include the periodic case 13/10/94 J.Stein
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAMETERS
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at mass
! localization
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PDYM ! result at flux
! side
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JJ ! Loop index in y direction
INTEGER :: IJU ! Size of the array in the y direction
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF DYM
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('DYM',0,ZHOOK_HANDLE)
IJU=SIZE(PA,2)
!
DO JJ=2,IJU
PDYM(:,JJ,:) = PA(:,JJ,:) - PA(:,JJ-1,:)
END DO
!
PDYM(:,1,:) = PDYM(:,IJU-2*JPHEXT+1,:)
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('DYM',1,ZHOOK_HANDLE)
END FUNCTION DYM
!
!
! ###############################
FUNCTION DZF(PA, KKA, KKU, KL) RESULT(PDZF)
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USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *DZF* - Shuman operator : finite difference operator in z direction
!! for a variable at a flux side
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a finite difference
! along the z direction (K index) for a field PA localized at a z-flux
! point (w point). The result is localized at a mass point.
!
!!** METHOD
!! ------
!! The result PDZF(:,:,k) is defined by (PA(:,:,k+1)-PA(:,:,k))
!! At k=size(PA,3), PDZF(:,:,k) is defined by -999.
!!
!!
!! EXTERNAL
!! --------
!! NONE
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! NONE
!!
!! REFERENCE
!! ---------
!! Book2 of documentation of Meso-NH (SHUMAN operators)
!! Technical specifications Report of The Meso-NH (chapters 3)
!!
!!
!! AUTHOR
!! ------
!! V. Ducrocq * Meteo France *
!!
!! MODIFICATIONS
!! -------------
!! Original 05/07/94
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
IMPLICIT NONE
!
!* 0.1 Declarations of argument and result
! ------------------------------------
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PA ! variable at flux side
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INTEGER, INTENT(IN) :: KKA, KKU ! near ground and uppest atmosphere array indexes
INTEGER, INTENT(IN) :: KL ! +1 if grid goes from ground to atmosphere top, -1 otherwise
REAL, DIMENSION(SIZE(PA,1),SIZE(PA,2),SIZE(PA,3)) :: PDZF ! result at mass
! localization
!
!* 0.2 Declarations of local variables
! -------------------------------
!
INTEGER :: JK ! Loop index in z direction
INTEGER :: IKT ! upper bound in z direction of PA
!
!-------------------------------------------------------------------------------
!
!* 1. DEFINITION OF DZF
! ------------------
!
REAL(KIND=JPRB) :: ZHOOK_HANDLE
IF (LHOOK) CALL DR_HOOK('DZF',0,ZHOOK_HANDLE)
IKT = SIZE(PA,3)
DO JK=2,IKT-1
PDZF(:,:,JK) = PA(:,:,JK+KL) - PA(:,:,JK)
END DO
PDZF(:,:,KKA) = PA(:,:,KKA+KL) - PA(:,:,KKA)
PDZF(:,:,KKU) = -999.
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('DZF',1,ZHOOK_HANDLE)
END FUNCTION DZF
!
!
! ###############################
FUNCTION DZM(PA, KKA, KKU, KL) RESULT(PDZM)
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
! ###############################
!
!!**** *DZM* - Shuman operator : finite difference operator in z direction
!! for a variable at a mass localization
!!
!! PURPOSE
!! -------
! The purpose of this function is to compute a finite difference
! along the z direction (K index) for a field PA localized at a mass
! point. The result is localized at a z-flux point (w point).
!