Files
GEOS-Chem-adjoint-v35-note/code/adjoint/partition_adj.f
2018-08-28 00:33:48 -04:00

478 lines
17 KiB
Fortran

!$Id: partition_adj.f,v 1.3 2012/05/09 22:31:56 nicolas Exp $
!
SUBROUTINE PARTITION_ADJ( STT_ADJ, STT, NTRACER, XNUMOL )
!
!******************************************************************************
! Subroutine PARTITION_ADJ is the adjoint of the fwd routine PARTITION.
! (dkh, 08/01/05)
! Based on ADJ_PARTITION from the GCv6 adjoint (dkh, 07/31/09)
!
! Arguments as Input:
! ============================================================================
! (1 ) STT (REAL*8 ) : Tracer concentrations [kg/box]
! (2 ) NTRACER (INTEGER) : Number of tracers
! (3 ) XNUMOL (REAL*8 ) : Array of molecules tracer / kg tracer
! (4 ) STT_ADJ (REAL*8 ) : Array of adjoint concentrations
!
! Arguments as Output:
! ============================================================================
! (1 ) STT_ADJ (REAL*8 ) : Updated adjoint concentrations
!
! NOTES:
! (1 ) See fwd version for additional notes.
! (2 ) Disable OMP parallel loops, which were leading to small errors
! in the 7th digit. (dkh, 10/08/06)
! (3 ) Update to GCv8 (dkh, 07/31/09)
! (4 ) Tighten filter to 1d-10 (jkoo, dkh, boun, 05/08/12)
!******************************************************************************
!
! References to F90 modules
USE COMODE_MOD, ONLY : CSPEC, JLOP, VOLUME
USE COMODE_MOD, ONLY : CSPEC_PRIOR, CSPEC_ADJ
USE ERROR_MOD, ONLY : ALLOC_ERR, ERROR_STOP
USE CHECKPT_MOD, ONLY : PART_CASE
USE TRACERID_MOD
IMPLICIT NONE
# include "CMN_SIZE"
# include "comode.h"
! Arguments
INTEGER, INTENT(IN) :: NTRACER
REAL*8, INTENT(INOUT) :: STT(IIPAR,JJPAR,LLPAR,NNPAR)
REAL*8, INTENT(INOUT) :: STT_ADJ(IIPAR,JJPAR,LLPAR,NTRACER)
REAL*8, INTENT(IN) :: XNUMOL(NNPAR)
! Local variables
INTEGER :: I, J, L, N, JLOOP, IPL, JJ, KK
INTEGER :: CSAVEID(IGAS)
INTEGER :: CSAVEID_JJ(IGAS)
INTEGER :: CS, IDNUM, AS
REAL*8 :: CONCTMP, CONCNOX, SUM, SUM1
REAL*8 :: CSAVE( ITLOOP, IGAS )
! UPDATE: Add this so we don't overwrite CSPEC. (dkh, 10/10/08)
REAL*8 :: CSPEC_TMP(IGAS)
! Adjoint varialbes
INTEGER :: NN
REAL*8 :: ADCONCNOX
REAL*8 :: ADCONCTMP
REAL*8 :: ADSUM, ADSUM1
REAL*8 :: ADCSAVE( ITLOOP, IGAS )
!=================================================================
! PARTITION_ADJ begins here!
!=================================================================
! Move this to further down below so that it happens every time
! through the loop. (dkh, 10/10/08)
!! Reset local adjoint variables to zero
!ADSUM = 0.d0
!ADSUM1 = 0.d0
!ADCONCNOX = 0.d0
!ADCONCTMP = 0.d0
ADCSAVE(:,:) = 0.d0
! Copy values of CSPEC that need to be saved (bdf, 3/30/99)
!=================================================================
IDNUM = 0
DO N = 1, NTRACER
! Skip if this is not a valid tracer
IF ( IDTRMB(N,1) == 0 ) CYCLE
! Handle all other tracers except Ox
IF ( N /= IDTOX ) THEN
DO KK = 1, NMEMBER(N)
IDNUM = IDNUM + 1
JJ = IDTRMB(N,KK)
CSAVEID(JJ) = IDNUM
CSAVEID_JJ(IDNUM) = JJ
ENDDO
! Handle Ox
ELSE IF ( IDTOX /= 0 ) THEN
JJ = IDTRMB(N,1)
IDNUM = IDNUM + 1
CSAVEID(JJ) = IDNUM
CSAVEID_JJ(IDNUM) = JJ
ENDIF
ENDDO
! Loop over tracer members and boxes
!$OMP PARALLEL DO
!$OMP+DEFAULT( SHARED )
!$OMP+PRIVATE( I, J, L, N, JLOOP )
!$OMP+SCHEDULE( DYNAMIC )
DO N = 1, IDNUM
DO L = 1, NPVERT
DO J = 1, NLAT
DO I = 1, NLONG
! 1-D SMVGEAR grid box index
JLOOP = JLOP(I,J,L)
IF ( JLOOP == 0 ) CYCLE
! Store into CSAVE
CSAVE(JLOOP,N) = CSPEC(JLOOP,CSAVEID_JJ(N))
ENDDO
ENDDO
ENDDO
ENDDO
!$OMP END PARALLEL DO
!=================================================================
! Split each tracer up into its components (if any)
! Family tracers are partitioned among members according to
! initial ratios. In tracer sequence, OX must be after NOX,
! otherwise, adjust the code
!=================================================================
! BUG FIX: Loop from NTRACER to 1 by -1. (dkh, 10/10/08)
! OLD CODE:
!DO N = 1, NTRACER
! NEW CODE:
DO N = NTRACER, 1, -1
! Get STT_ADJ tracer ID
!NN = ADJ2STT(N)
NN = N
! Skip if it's not a valid tracer
IF ( IDTRMB(N,1) == 0 .OR. NN == 0 ) CYCLE
!### Debug
!WRITE(6,*) 'IN PARTITION N= ', N
! Loop over grid boxes
! UPDATE: reinstate OMP parallelization here (dkh, 10/11/08)
!$OMP PARALLEL DO
!$OMP+DEFAULT( SHARED )
!$OMP+PRIVATE( I, J, L, JLOOP, CONCTMP, SUM, KK, JJ, SUM1, CONCNOX )
!$OMP+PRIVATE( ADCONCTMP, ADCONCNOX, ADSUM, ADSUM1 )
!$OMP+SCHEDULE( DYNAMIC )
DO L = 1, NPVERT
DO J = 1, NLAT
DO I = 1, NLONG
! BUG FIX: Reset adjoint variables here. (dkh, 10/10/08)
! Reset local adjoint variables to zero
ADSUM = 0.d0
ADSUM1 = 0.d0
ADCONCNOX = 0.d0
ADCONCTMP = 0.d0
! 1-D SMVGEAR grid box index
JLOOP = JLOP(I,J,L)
IF ( JLOOP == 0 ) CYCLE
! Update: don't overwrite STT here (dkh, 10/10/08)
! OLD:
! Convert tracer concentration from [kg/box] to [molec/cm3/box]
!STT(I,J,L,N) = STT(I,J,L,N) / VOLUME(JLOOP) * XNUMOL(N)
!
! Store concentration in CONCTMP
!CONCTMP = STT(I,J,L,N)
! NEW:
CONCTMP = STT(I,J,L,N) / VOLUME(JLOOP) * XNUMOL(N)
! Adjoint depends on which family was partitioned first, Ox or NOx
SELECT CASE ( PART_CASE(JLOOP) )
! Partition NOx first
CASE ( 1 )
!===========================================================
! First, find sum of starting concentrations
!===========================================================
!------------------------
! All tracers except Ox
!------------------------
IF ( N /= IDTOX ) THEN
SUM = 0.d0
DO KK = 1, NMEMBER(N)
JJ = IDTRMB(N, KK)
! Error check
IF ( JJ == 0 ) THEN
PRINT *,JJ,JLOOP,N,KK,IDTRMB(N, KK)
ENDIF
SUM = SUM
& + CSAVE(JLOOP,CSAVEID(JJ)) * (CTRMB(N,KK)+1)
ENDDO
ENDIF
! Begin TAMC generated adjoint code. Manual modifications
! are capitalized.
if (n .ne. idtox) then
do kk = 1, nmember(n)
! Update: Avoid divide by sum**2,
! which leads to NaNs (dkh, 10/10/08)
IF ( SUM .GT. 1d-10 ) THEN
jj = idtrmb(n,kk)
adconctmp = adconctmp+cspec_adj(jloop,jj)*
$(csave(jloop,csaveid(jj))/sum)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,
$csaveid(jj))+cspec_adj(jloop,jj)/sum*conctmp
adsum = adsum-cspec_adj(jloop,jj)*csave(jloop,
$csaveid(jj))/(sum*sum)*conctmp
ENDIF
cspec_adj(jloop,jj) = 0.
end do
else if (idtox .ne. 0 .and. idtnox .ne. 0) then
jj = ido3
adconctmp = adconctmp+cspec_adj(jloop,jj)
adsum1 = adsum1-cspec_adj(jloop,jj)
cspec_adj(jloop,jj) = 0.
else
print*, ' big error here '
endif
if (n .ne. idtox) then
do kk = 1, nmember(n)
jj = idtrmb(n,kk)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,
$csaveid(jj))+adsum*(1+ctrmb(n,kk))
end do
adsum = 0.
else if (idtox .ne. 0) then
do kk = 2, nmember(n)
jj = idtrmb(n,kk)
cspec_adj(jloop,jj) = cspec_adj(jloop,jj)
&+adsum1*(1+ctrmb(n,kk))
end do
adsum1 = 0.
endif
! Partition Ox first
CASE ( 2 )
!===========================================================
! First, find sum of starting concentrations
!===========================================================
!------------------------
! All tracers except Ox
!------------------------
IF ( N /= IDTOX ) THEN
SUM = 0.d0
DO KK = 1, NMEMBER(N)
JJ = IDTRMB(N, KK)
! Error check
IF ( JJ == 0 ) THEN
PRINT *,JJ,JLOOP,N,KK,IDTRMB(N, KK)
ENDIF
SUM = SUM
& + CSAVE(JLOOP,CSAVEID(JJ)) * (CTRMB(N,KK)+1)
ENDDO
!------------------------
! Ox
!------------------------
ELSE IF ( IDTOX /= 0 ) THEN
JJ = IDTRMB(N,1)
SUM = CSAVE(JLOOP,CSAVEID(JJ)) * (CTRMB(N,1)+1)
! Case 1 stuff. dkh
! SUM1 = 0.d0
! SUM = sum of starting values for all Ox species (incl. O3)
! SUM1 = sum of new values for all Ox species except O3,
! based on NOx partitioning
DO KK = 2, NMEMBER(N)
JJ = IDTRMB(N,KK)
SUM = SUM
& + CSAVE(JLOOP,CSAVEID(JJ))*(CTRMB(N,KK)+1)
! Case 1 stuff. dkh
! SUM1 = SUM1+ CSPEC(JLOOP,JJ) * (CTRMB(N,KK)+1)
ENDDO
ENDIF
! Begin TAMC generated adjoint of partioning for Case 2
if (n .ne. idtox) then
do kk = 1, nmember(n)
IF ( SUM .gt. 1d-10 ) THEN
jj = idtrmb(n,kk)
adconctmp = adconctmp+cspec_adj(jloop,jj)*
$(csave(jloop,csaveid(jj))/sum)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,
$csaveid(jj))+cspec_adj(jloop,jj)/sum*conctmp
adsum = adsum-cspec_adj(jloop,jj)*csave(jloop,
$csaveid(jj))/(sum*sum)*conctmp
ENDIF
cspec_adj(jloop,jj) = 0.
end do
else if (idtox .ne. 0 .and. idtnox .ne. 0) then
do kk = 1, nmember(n)
jj = idtrmb(n,kk)
! Update: don't overwrite CSPEC (dkh, 10/10/08)
!cspec(jloop,jj) = csave(jloop,csaveid(jj))/sum*
CSPEC_TMP(jj) = csave(jloop,csaveid(jj))/sum*
$conctmp
end do
sum = 0.d0
sum1 = 0.d0
do kk = 1, nmember(idtnox)
jj = idtrmb(idtnox,kk)
if (jj .eq. idno .or. jj .eq. idhno2) then
sum = sum+csave(jloop,csaveid(jj))*(ctrmb(idtnox,kk)+1)
else
! Update: use CSPEC_TMP (dkh, 10/10/08)
!sum1 = sum1+cspec(jloop,jj)*(ctrmb(idtnox,kk)+1)
sum1 = sum1+CSPEC_TMP(jj)*(ctrmb(idtnox,kk)+1)
endif
end do
!----------------------------------
! BUG FIX: need to convert units
! of concnox here (jkoo, dkh, 09/30/10)
! old code:
!concnox = stt(i,j,l,idtnox)
! new code:
concnox = stt(i,j,l,idtnox)
& / VOLUME(JLOOP) * XNUMOL(IDTNOX)
!----------------------------------
do kk = 1, nmember(idtnox)
jj = idtrmb(idtnox,kk)
if (jj .eq. idno .or. jj .eq. idhno2) then
!IF ( sum .gt. 0d0 ) THEN
IF ( sum .gt. 1d-10 ) THEN
adconcnox = adconcnox+cspec_adj(jloop,jj)
&*(csave(jloop,csaveid(jj))/sum)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,csaveid(jj))+
$cspec_adj(jloop,jj)/sum*(concnox-sum1)
adsum = adsum-cspec_adj(jloop,jj)*csave(jloop,csaveid(jj))
$/(sum*sum)
$*(concnox-sum1)
adsum1 = adsum1-cspec_adj(jloop,jj)*(csave(jloop,csaveid(jj))/sum)
ENDIF
cspec_adj(jloop,jj) = 0.
endif
end do
STT_ADJ(i,j,l,idtnox) =
& STT_ADJ(i,j,l,idtnox)+adconcnox
adconcnox = 0.
do kk = 1, nmember(idtnox)
jj = idtrmb(idtnox,kk)
if (jj .eq. idno .or. jj .eq. idhno2) then
adcsave(jloop,csaveid(jj)) = adcsave(jloop,csaveid(jj))+adsum*(1+
$ctrmb(idtnox,kk))
else
cspec_adj(jloop,jj) = cspec_adj(jloop,jj)
& +adsum1*(1+ctrmb(idtnox,kk))
endif
end do
adsum1 = 0.
adsum = 0.
!sum = sumk
if (n .ne. idtox) then
sum = 0.d0
do kk = 1, nmember(n)
jj = idtrmb(n,kk)
sum = sum+csave(jloop,csaveid(jj))*(ctrmb(n,kk)+1)
end do
else if (idtox .ne. 0) then
jj = idtrmb(n,1)
sum = csave(jloop,csaveid(jj))*(ctrmb(n,1)+1)
do kk = 2, nmember(n)
jj = idtrmb(n,kk)
sum = sum+csave(jloop,csaveid(jj))*(ctrmb(n,kk)+1)
end do
endif
do kk = 1, nmember(n)
!IF ( sum .gt. 0d0 ) THEN
IF ( sum .gt. 1d-10 ) THEN
jj = idtrmb(n,kk)
adconctmp = adconctmp+cspec_adj(jloop,jj)*
$(csave(jloop,csaveid(jj))/sum)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,
$csaveid(jj))+cspec_adj(jloop,jj)/sum*conctmp
adsum = adsum-cspec_adj(jloop,jj)*csave(jloop,
$csaveid(jj))/(sum*sum)*conctmp
ENDIF
cspec_adj(jloop,jj) = 0.
end do
endif
if (n .ne. idtox) then
do kk = 1, nmember(n)
jj = idtrmb(n,kk)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,
$csaveid(jj))+adsum*(1+ctrmb(n,kk))
end do
adsum = 0.
else if (idtox .ne. 0) then
do kk = 2, nmember(n)
jj = idtrmb(n,kk)
adcsave(jloop,csaveid(jj)) = adcsave(jloop,
$csaveid(jj))+adsum*(1+ctrmb(n,kk))
end do
jj = idtrmb(n,1)
adcsave(jloop,csaveid(jj)) =
$adcsave(jloop,csaveid(jj))+adsum*(1+ctrmb(n,1))
adsum = 0.
endif
CASE DEFAULT
WRITE(6,*) I, J, L, JLOOP
CALL ERROR_STOP( 'bad PART_CASE', 'PARTITION_ADJ' )
END SELECT
STT_ADJ(i,j,l,NN) = STT_ADJ(i,j,l,NN)+adconctmp
adconctmp = 0.
STT_ADJ(i,j,l,NN) = STT_ADJ(i,j,l,NN)
& /volume(jloop)*xnumol(n)
ENDDO
ENDDO
ENDDO
!$OMP END PARALLEL DO
ENDDO
! BUG FIX: add this part to pass sensitivities to ADJ_CSPEC
! which then get fed back to STT_ADJ in subroutine LUMP_ADJ
! (dkh, 10/11/08)
!$OMP PARALLEL DO
!$OMP+DEFAULT( SHARED )
!$OMP+PRIVATE( I, J, L, N, JLOOP )
!$OMP+SCHEDULE( DYNAMIC )
DO N = 1, IDNUM
DO L = 1, NPVERT
DO J = 1, NLAT
DO I = 1, NLONG
! 1-D SMVGEAR grid box index
JLOOP = JLOP(I,J,L)
IF ( JLOOP == 0 ) CYCLE
! fwd code:
!CSAVE(JLOOP,N) = CSPEC(JLOOP,CSAVEID_JJ(N))
! adj code:
CSPEC_ADJ(JLOOP,CSAVEID_JJ(N)) = CSPEC_ADJ(JLOOP,CSAVEID_JJ(N))
& + ADCSAVE(JLOOP,N)
ENDDO
ENDDO
ENDDO
ENDDO
!$OMP END PARALLEL DO
! Return to calling program
END SUBROUTINE PARTITION_ADJ