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wwm_icenc.F90
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#include "wwm_functions.h"
! author: Lorenzo Mentaschi
! for now, the ice concentration is loaded from a netcdf on a rectangular grid (regular or rotated or curvilinear)
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE INIT_ICE_INPUT
USE NETCDF
USE DATAPOOL
IMPLICIT NONE
INTEGER :: fid, varid, ndims, dimids(nf90_max_var_dims)
REAL(rkind), ALLOCATABLE :: CF_LON(:,:), CF_LAT(:,:), CF_LON_1D(:), CF_LAT_1D(:)
character (len = *), parameter :: CallFct="INIT_NETCDF_CF"
character (len=100) :: Xname, Yname
type(FD_FORCING_GRID) TheInfo
integer IX, IY
REAL(rkind) :: cf_w1, cf_w2
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'INIT_ICE_INPUT start'
FLUSH(STAT%FHNDL)
ENDIF
MNP_ICE=np_total
IF (myrank .eq. 0) THEN
allocate(XP_ICE(MNP_ICE), YP_ICE(MNP_ICE), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 1')
XP_ICE=XPtotal
YP_ICE=YPtotal
ENDIF
allocate(ICECONC(MNP), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 1')
ICECONC=0
CALL INIT_DIRECT_NETCDF_CF_ICE(eVAR_ICE, .FALSE., ICEIN%FNAME, ICENCVAR)
IF (myrank .eq. 0) THEN
ISTAT = nf90_open(ICEIN%FNAME, nf90_nowrite, fid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 1, ISTAT)
ISTAT = nf90_inq_varid(fid, ICENCVAR, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 2, ISTAT)
ISTAT = nf90_inq_varid(fid, ICEXNCVAR, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 2, ISTAT)
ISTAT = nf90_inq_varid(fid, ICEYNCVAR, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 2, ISTAT)
Xname=ICEXNCVAR
Yname=ICEYNCVAR
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'Xname=', TRIM(Xname)
WRITE(STAT%FHNDL,*) 'Yname=', TRIM(Yname)
FLUSH(STAT%FHNDL)
END IF
! Reading lontitude/latitude array
ISTAT = nf90_inq_varid(fid, Xname, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 6, ISTAT)
ISTAT = nf90_inquire_variable(fid, varid, ndims=ndims, dimids=dimids)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 7, ISTAT)
IF (ndims.EQ.2) THEN
ISTAT = nf90_inquire_dimension(fid, dimids(1), len=NDX_ICE_FD)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 8, ISTAT)
ISTAT = nf90_inquire_dimension(fid, dimids(2), len=NDY_ICE_FD)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 9, ISTAT)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'NDX_ICE_FD=', NDX_ICE_FD
WRITE(STAT%FHNDL,*) 'NYX_ICE_FD=', NDY_ICE_FD
FLUSH(STAT%FHNDL)
END IF
allocate(CF_LON(NDX_ICE_FD, NDY_ICE_FD), CF_LAT(NDX_ICE_FD, NDY_ICE_FD), ICECONC_FD(NDX_ICE_FD, NDY_ICE_FD), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 47')
ISTAT = nf90_inq_varid(fid, Xname, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 10, ISTAT)
ISTAT = nf90_get_var(fid, varid, CF_LON)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, ISTAT)
ISTAT = nf90_inq_varid(fid, Yname, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 12, ISTAT)
ISTAT = nf90_get_var(fid, varid, CF_LAT)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 13, ISTAT)
ELSE IF (ndims.EQ.1) THEN
ISTAT = nf90_inquire_dimension(fid, dimids(1), len=NDX_ICE_FD)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 14, ISTAT)
ALLOCATE(CF_LON_1D(NDX_ICE_FD))
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 47')
ISTAT = nf90_get_var(fid, varid, CF_LON_1D)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, ISTAT)
ISTAT = nf90_inq_varid(fid, Yname, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 15, ISTAT)
ISTAT = nf90_inquire_variable(fid, varid, ndims=ndims, dimids=dimids)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 16, ISTAT)
IF (ndims.NE.1) CALL WWM_ABORT('wwm_icenc, x and y must be both 2d or both 1d')
ISTAT = nf90_inquire_dimension(fid, dimids(1), len=NDY_ICE_FD)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 17, ISTAT)
ALLOCATE(CF_LAT_1D(NDY_ICE_FD))
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 47')
ISTAT = nf90_get_var(fid, varid, CF_LAT_1D)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 18, ISTAT)
allocate(CF_LON(NDX_ICE_FD, NDY_ICE_FD), CF_LAT(NDX_ICE_FD, NDY_ICE_FD), ICECONC_FD(NDX_ICE_FD, NDY_ICE_FD), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 47')
DO IX=1,NDX_ICE_FD
DO IY=1,NDY_ICE_FD
CF_LON(IX,IY) = CF_LON_1D(IX)
CF_LAT(IX,IY) = CF_LAT_1D(IY)
END DO
END DO
ELSE
! x and y must be 1-d or 2-d
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 555, ISTAT)
END IF
TheInfo % nx_dim = NDX_ICE_FD
TheInfo % ny_dim = NDY_ICE_FD
allocate(TheInfo%LON(NDX_ICE_FD, NDY_ICE_FD), TheInfo%LAT(NDX_ICE_FD, NDY_ICE_FD), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 47')
DO IX=1,NDX_ICE_FD
DO IY=1,NDY_ICE_FD
TheInfo % LON(IX,IY) = CF_LON(IX,IY)
TheInfo % LAT(IX,IY) = CF_LAT(IX,IY)
END DO
END DO
DEALLOCATE(CF_LON, CF_LAT)
CALL COMPUTE_CF_COEFFICIENTS_ICE(TheInfo)
Deallocate(TheInfo % LON, TheInfo % LAT)
END IF
ALLOCATE(tmp_ice1(MNP),tmp_ice2(MNP), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 1')
CALL GET_CF_TIME_INDEX_ICE(eVAR_ICE, REC1_ice_new,REC2_ice_new,cf_w1,cf_w2)
CALL READ_INTERP_NETCDF_CF_WWM_ICE(REC1_ice_new,tmp_ice1)
IF (cf_w1.NE.1) THEN
CALL READ_INTERP_NETCDF_CF_WWM_ICE(REC2_ice_new,tmp_ice2)
ICECONC(:) = cf_w1*tmp_ice1(:)+cf_w2*tmp_ice2(:)
ELSE
ICECONC(:) = cf_w1*tmp_ice1(:)
END IF
END SUBROUTINE INIT_ICE_INPUT
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE UPDATE_ICE(K)
USE NETCDF
USE DATAPOOL
IMPLICIT NONE
REAL(rkind) :: TMP(MNP,2)
REAL(rkind) :: cf_w1, cf_w2
INTEGER :: IT, IFILE
INTEGER, intent(in) :: K
!AR: All crap ... defining K without using means that nobody has ever checked the results or anything else, so why coding at all?
!AR: Mathieu can you please fix this !!!
!LM: keeping this comment by AR, taken from UPDATE_WIND (hopefully the problem is now solved?)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'MAIN%TMJD=', MAIN%TMJD
WRITE(STAT%FHNDL,*) 'SEWI(TMJD,EMJD)=', SEWI%TMJD, SEWI%EMJD
END IF
IF ( (MAIN%TMJD .ge. SEWI%TMJD-1.E-8) .AND. (MAIN%TMJD .le. SEWI%EMJD+1.e-8) ) THEN
IF (K.EQ.1) THEN
REC1_ice_old = 0
REC2_ice_old = 0
END IF
CALL GET_CF_TIME_INDEX_ICE(eVAR_ICE, REC1_ice_new,REC2_ice_new,cf_w1,cf_w2)
IF (REC1_ice_new.NE.REC1_ice_old) THEN
CALL READ_INTERP_NETCDF_CF_WWM_ICE(REC1_ice_new,tmp_ice1)
END IF
IF (REC2_ice_new.NE.REC2_ice_old) THEN
CALL READ_INTERP_NETCDF_CF_WWM_ICE(REC2_ice_new,tmp_ice2)
END IF
IF (cf_w1.NE.1) THEN
ICECONC(:) = cf_w1*tmp_ice1(:)+cf_w2*tmp_ice2(:)
ELSE
ICECONC(:) = cf_w1*tmp_ice1(:)
END IF
REC1_ice_old = REC1_ice_new
REC2_ice_old = REC2_ice_new
END IF
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'ICECONC, min/max=', minval(ICECONC), maxval(ICECONC)
END IF
END SUBROUTINE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE COMPUTE_CF_COEFFICIENTS_ICE(TheInfo)
USE DATAPOOL
IMPLICIT NONE
type(FD_FORCING_GRID), intent(in) :: TheInfo
integer I
integer eCF_IX, eCF_IY
real(rkind) eCF_COEFF(4)
integer :: nbExtrapolation = 0
character(len=256) :: FileSave = "wwm_filesave_interp_array_ice.nc"
logical success
logical EXTRAPO_OUT
real(rkind) eX, eY
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'Starting node loop for calcs of coefs (ice)'
END IF
allocate(CF_IX_ICE(MNP_ICE), CF_IY_ICE(MNP_ICE), CF_COEFF_ICE(4,MNP_ICE), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 52')
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'LSAVE_INTERP_ARRAY_ICE=', LSAVE_INTERP_ARRAY_ICE
END IF
IF (LSAVE_INTERP_ARRAY_ICE) THEN
CALL LOAD_INTERP_ARRAY_ICE(FileSave, success)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'success=', success
END IF
IF (success .eqv. .TRUE.) RETURN
END IF
CF_IX_ICE=0
CF_IY_ICE=0
CF_COEFF_ICE=0
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'min(lon)=', minval(TheInfo % LON)
WRITE(STAT%FHNDL,*) 'max(lon)=', maxval(TheInfo % LON)
WRITE(STAT%FHNDL,*) 'min(lat)=', minval(TheInfo % LAT)
WRITE(STAT%FHNDL,*) 'max(lat)=', maxval(TheInfo % LAT)
END IF
DO I = 1, MNP_ICE
eX=XP_ICE(I)
eY=YP_ICE(I)
CALL COMPUTE_SINGLE_INTERPOLATION_INFO(TheInfo, EXTRAPOLATION_ALLOWED_ICE, eX, eY, eCF_IX, eCF_IY, eCF_COEFF, EXTRAPO_OUT)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,'(4I10,10F20.10)') I, MNP_ICE, eCF_IX, eCF_IY, eCF_COEFF
END IF
CF_IX_ICE(I) = eCF_IX
CF_IY_ICE(I) = eCF_IY
CF_COEFF_ICE(:,I) = eCF_COEFF
IF (EXTRAPO_OUT) nbExtrapolation = nbExtrapolation + 1
END DO
IF (LSAVE_INTERP_ARRAY_ICE) THEN
CALL SAVE_INTERP_ARRAY_ICE(FileSave)
END IF
IF (PrintLOG) THEN
IF (EXTRAPOLATION_ALLOWED_ICE) THEN
WRITE(STAT%FHNDL,*) ' ICE interp. nbExtrapolation=', nbExtrapolation
END IF
WRITE(STAT%FHNDL,*) ' ICE: done interp calcs'
END IF
END SUBROUTINE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE LOAD_INTERP_ARRAY_ICE(FileSave, success)
USE DATAPOOL
USE NETCDF
IMPLICIT NONE
logical, intent(out) :: success
character(len=256), intent(in) :: FileSave
character (len = *), parameter :: CallFct = "LOAD_INTERP_ARRAY_ICE"
integer, allocatable :: CF_IX_GLOBAL(:), CF_IY_GLOBAL(:)
real(rkind), allocatable :: CF_COEFF_GLOBAL(:,:)
integer iret, ncid, varid
integer IP, IPglob, iPROC, NPloc, IPloc
INQUIRE(FILE=TRIM(FileSave), EXIST=LPRECOMP_EXIST)
IF (LPRECOMP_EXIST .eqv. .FALSE.) THEN
success=.FALSE.
RETURN
END IF
success=.TRUE.
IF (myrank .eq. 0) THEN
allocate(CF_IX_GLOBAL(np_total), CF_IY_GLOBAL(np_total), CF_COEFF_GLOBAL(4,np_total), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 52')
!
iret=nf90_open(TRIM(FileSave), NF90_NOWRITE, ncid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 1, iret)
!
iret=nf90_inq_varid(ncid, "CF_IX", varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 5, ISTAT)
iret=NF90_GET_VAR(ncid, varid, CF_IX_GLOBAL)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, ISTAT)
!
iret=nf90_inq_varid(ncid, "CF_IY", varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 5, ISTAT)
iret=NF90_GET_VAR(ncid, varid, CF_IY_GLOBAL)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, ISTAT)
!
iret=nf90_inq_varid(ncid, "CF_COEFF", varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 5, ISTAT)
iret=NF90_GET_VAR(ncid, varid, CF_COEFF_GLOBAL)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, ISTAT)
!
iret=nf90_close(ncid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 27, iret)
!
CF_IX_ICE=CF_IX_GLOBAL
CF_IY_ICE=CF_IY_GLOBAL
CF_COEFF_ICE=CF_COEFF_GLOBAL
deallocate(CF_IX_GLOBAL, CF_IY_GLOBAL, CF_COEFF_GLOBAL)
ENDIF
END SUBROUTINE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE SAVE_INTERP_ARRAY_ICE(FileSave)
USE DATAPOOL
USE NETCDF
IMPLICIT NONE
character(len=256), intent(in) :: FileSave
character (len = *), parameter :: CallFct = "SAVE_INTERP_ARRAY"
integer, allocatable :: CF_IX_GLOBAL(:), CF_IY_GLOBAL(:)
real(rkind), allocatable :: CF_COEFF_GLOBAL(:,:)
integer, allocatable :: CF_IX_loc(:), CF_IY_loc(:)
real(rkind), allocatable :: CF_COEFF_loc(:,:)
integer, allocatable :: ListFirstMNP(:)
integer ncid, iret, var_id
integer mnp_dims, four_dims
integer IP, IPglob, iPROC, NP_RESloc, IPloc
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'minval(CF_IX_ICE)=', minval(CF_IX_ICE)
WRITE(STAT%FHNDL,*) 'minval(CF_IY_ICE)=', minval(CF_IY_ICE)
WRITE(STAT%FHNDL,*) 'minval(CF_COEFF_ICE)=', minval(CF_COEFF_ICE)
END IF
allocate(CF_IX_GLOBAL(np_total), CF_IY_GLOBAL(np_total), CF_COEFF_GLOBAL(4,np_total), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 52')
CF_IX_GLOBAL=CF_IX_ICE
CF_IY_GLOBAL=CF_IY_ICE
CF_COEFF_GLOBAL=CF_COEFF_ICE
!
! Now writing up
!
IF (myrank .eq. 0) THEN
iret=nf90_create(TRIM(FileSave), nf90_CLOBBER, ncid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 1, iret)
!
iret = nf90_def_dim(ncid, 'mnp', np_total, mnp_dims)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 2, iret)
!
iret = nf90_def_dim(ncid, 'four', 4, four_dims)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 3, iret)
!
iret=nf90_def_var(ncid,'CF_IX',NF90_INT,(/ mnp_dims/),var_id)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 4, iret)
!
iret=nf90_def_var(ncid,'CF_IY',NF90_INT,(/ mnp_dims/),var_id)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 5, iret)
!
iret=nf90_def_var(ncid,'CF_COEFF',NF90_RUNTYPE,(/ four_dims, mnp_dims/),var_id)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 6, iret)
!
iret=nf90_close(ncid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 7, iret)
!
! Now writing the data
!
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'ICE: minval(CF_IX_GLOBAL)=', minval(CF_IX_GLOBAL)
WRITE(STAT%FHNDL,*) 'ICE: minval(CF_IY_GLOBAL)=', minval(CF_IY_GLOBAL)
WRITE(STAT%FHNDL,*) 'ICE: minval(CF_COEFF_GLOBAL)=', minval(CF_COEFF_GLOBAL)
END IF
!
iret=nf90_open(TRIM(FileSave), NF90_WRITE, ncid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 8, iret)
!
iret=nf90_inq_varid(ncid,'CF_IX',var_id)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 9, iret)
!
iret=nf90_put_var(ncid,var_id,CF_IX_GLOBAL,start = (/ 1 /), count=(/np_total/))
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 10, iret)
!
iret=nf90_inq_varid(ncid,'CF_IY',var_id)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, iret)
!
iret=nf90_put_var(ncid,var_id,CF_IY_GLOBAL,start = (/ 1 /), count=(/np_total/))
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 12, iret)
!
iret=nf90_inq_varid(ncid,'CF_COEFF',var_id)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 13, iret)
!
iret=nf90_put_var(ncid,var_id,CF_COEFF_GLOBAL,start = (/ 1, 1 /), count=(/4, np_total/))
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 14, iret)
!
iret=nf90_close(ncid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 15, iret)
!
deallocate(CF_IX_GLOBAL, CF_IY_GLOBAL, CF_COEFF_GLOBAL)
END IF
END SUBROUTINE SAVE_INTERP_ARRAY_ICE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE READ_INTERP_NETCDF_CF_WWM_ICE(RECORD_IN, outice)
USE NETCDF
USE DATAPOOL
IMPLICIT NONE
INTEGER, INTENT(in) :: RECORD_IN
REAL(rkind), INTENT(out) :: outice(MNP)
REAL(rkind) :: varTotal(MNP_ICE), Vlocal(MNP)
character (len = *), parameter :: CallFct="READ_INTERP_NETCDF_CF_WWM_ICE"
INTEGER :: FID, ID
IF (myrank .eq. 0) THEN
CALL TEST_FILE_EXIST_DIE("Missing ice file : ", TRIM(ICEIN%FNAME))
ISTAT = NF90_OPEN(ICEIN%FNAME, NF90_NOWRITE, FID)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 1, ISTAT)
ISTAT = NF90_inq_varid(FID, ICENCVAR, ID)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 2, ISTAT)
ISTAT = NF90_GET_VAR(FID, ID, ICECONC_FD, start = (/ 1, 1, RECORD_IN /), count = (/ NDX_ICE_FD, NDY_ICE_FD, 1 /))
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 3, ISTAT)
ISTAT = NF90_CLOSE(FID)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 6, ISTAT)
CALL KERNEL_INTERP_ICEFD(varTotal)
END IF
CALL SCATTER_ONED_ARRAY(varTotal, Vlocal)
outice(:)=Vlocal
END SUBROUTINE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE KERNEL_INTERP_ICEFD(outice)
USE DATAPOOL
IMPLICIT NONE
INTEGER I, J
REAL(rkind), INTENT(out) :: outice(MNP_ICE)
REAL(rkind) :: ic
INTEGER IX, IY
REAL(rkind) :: cf_scale_factor, cf_add_offset
INTEGER SHIFTXY(4,2)
SHIFTXY(1,1)=0
SHIFTXY(1,2)=0
SHIFTXY(2,1)=1
SHIFTXY(2,2)=0
SHIFTXY(3,1)=0
SHIFTXY(3,2)=1
SHIFTXY(4,1)=1
SHIFTXY(4,2)=1
cf_scale_factor = eVAR_ICE % cf_scale_factor
cf_add_offset = eVAR_ICE % cf_add_offset
DO I = 1, MNP_ICE
ic=ZERO
IX=CF_IX_ICE(I)
IY=CF_IY_ICE(I)
DO J=1,4
ic=ic + CF_COEFF_ICE(J,I)*ICECONC_FD(IX+SHIFTXY(J,1),IY+SHIFTXY(J,2))
END DO
outice(I)=ic*cf_scale_factor + cf_add_offset
IF (outice(I).GT.1) outice(I) = 1
IF (outice(I).LT.0) outice(I) = 0
END DO
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'KERNEL_INTERP_ICEFD'
WRITE(STAT%FHNDL,*) 'ICECONC_FD, min/max=', minval(ICECONC_FD), maxval(ICECONC_FD)
WRITE(STAT%FHNDL,*) 'ice interp, min/max=', minval(outice), maxval(outice)
FLUSH(STAT%FHNDL)
END IF
END SUBROUTINE
!****************************************************************************
!* *
!****************************************************************************
SUBROUTINE INIT_DIRECT_NETCDF_CF_ICE(eVAR, MULTIPLE_IN, eFileName, eString)
USE NETCDF
USE DATAPOOL
IMPLICIT NONE
TYPE(VAR_NETCDF_CF), intent(inout) :: eVAR
logical, intent(in) :: MULTIPLE_IN
character(len=100), intent(in) :: eFileName
character(len=*), intent(in) :: eString
!
INTEGER :: fid, varid
INTEGER :: dimidsB(nf90_max_var_dims), dimids(nf90_max_var_dims)
integer nbChar
character (len=20) :: eTimeStr
character(len=100) :: CHRERR
character (len = *), parameter :: CallFct="INIT_DIRECT_NETCDF_CF"
character (len=100) :: eStrUnitTime
real(rkind) :: ConvertToDay
real(rkind) :: eTimeStart
real(rkind) :: cf_scale_factor, cf_add_offset
integer nbtime_mjd
real(rkind), allocatable :: ice_time_mjd(:)
integer eInt(1)
real(rkind) :: eReal(2)
integer IPROC
integer np_file, NumberDim
eVAR % MULTIPLE_IN = .FALSE.
IF (myrank .eq. 0) THEN
ISTAT = nf90_open(TRIM(eFileName), nf90_nowrite, fid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 1, ISTAT)
! Reading ice attributes
WRITE(STAT%FHNDL,*), 'eString=', TRIM(eString)
WRITE(STAT%FHNDL,*), 'FNAME=', TRIM(eFileName)
ISTAT = nf90_inq_varid(fid, TRIM(eString), varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 2, ISTAT)
ISTAT = nf90_inquire_variable(fid, varid, dimids=dimidsB)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 3, ISTAT)
ISTAT = nf90_inquire_variable(fid, varid, ndims=NumberDim)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 3, ISTAT)
ISTAT = nf90_inquire_dimension(fid, dimidsB(1), len=np_file)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 4, ISTAT)
IF (NumberDim .eq. 2) THEN
IF (np_file .ne. np_total) THEN
Print *, 'We have np_file=', np_file
Print *, ' But np_total=', np_total
CALL WWM_ABORT("Direct forcing file seems to have wrong dimension")
END IF
END IF
ISTAT = nf90_inquire_dimension(fid, dimidsB(NumberDim), name=eTimeStr)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 4, ISTAT)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'ice: variable used for time=', TRIM(eTimeStr)
FLUSH(STAT%FHNDL)
END IF
ISTAT = nf90_get_att(fid, varid, "scale_factor", cf_scale_factor)
IF (ISTAT /= 0) THEN
CHRERR = nf90_strerror(ISTAT)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'CHRERR=', TRIM(CHRERR)
END IF
cf_scale_factor=ONE
ENDIF
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'cf_scale_factor=', cf_scale_factor
FLUSH(STAT%FHNDL)
END IF
ISTAT = nf90_get_att(fid, varid, "add_offset", cf_add_offset)
IF (ISTAT /= 0) THEN
CHRERR = nf90_strerror(ISTAT)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'CHRERR=', TRIM(CHRERR)
END IF
cf_add_offset=ZERO
ENDIF
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'cf_add_offset=', cf_add_offset
FLUSH(STAT%FHNDL)
END IF
! Reading time
ISTAT = nf90_inq_varid(fid, eTimeStr, varid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 5, ISTAT)
ISTAT = nf90_inquire_attribute(fid, varid, "units", len=nbChar)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 6, ISTAT)
ISTAT = nf90_get_att(fid, varid, "units", eStrUnitTime)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 7, ISTAT)
CALL CF_EXTRACT_TIME(eStrUnitTime, ConvertToDay, eTimeStart)
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'eTimeStart=', eTimeStart
FLUSH(STAT%FHNDL)
END IF
ISTAT = nf90_inquire_variable(fid, varid, dimids=dimids)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 8, ISTAT)
ISTAT = nf90_inquire_dimension(fid, dimids(1), len=nbtime_mjd)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 9, ISTAT)
allocate(ice_time_mjd(nbtime_mjd), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 48')
ISTAT = nf90_get_var(fid, varid, ice_time_mjd)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 10, ISTAT)
ISTAT = nf90_close(fid)
CALL GENERIC_NETCDF_ERROR_WWM(CallFct, 11, ISTAT)
ice_time_mjd(:) = ice_time_mjd(:)*ConvertToDay + eTimeStart
CALL CHECK_ICE_TIME(nbtime_mjd, ICE_TIME_MJD)
END IF
IF (myrank .eq. 0) THEN
eInt(1)=nbtime_mjd
DO IPROC=2,nproc
CALL MPI_SEND(eInt,1,itype, iProc-1, 811, comm, ierr)
END DO
eReal(1)=cf_scale_factor
eReal(2)=cf_add_offset
DO IPROC=2,nproc
CALL MPI_SEND(eReal,2,rtype, iProc-1, 813, comm, ierr)
END DO
DO IPROC=2,nproc
CALL MPI_SEND(ICE_TIME_MJD,nbtime_mjd,rtype, iProc-1, 812, comm, ierr)
END DO
ELSE
CALL MPI_RECV(eInt,1,itype, 0, 811, comm, istatus, ierr)
nbtime_mjd=eInt(1)
CALL MPI_RECV(eReal,2,rtype, 0, 813, comm, istatus, ierr)
cf_scale_factor=eReal(1)
cf_add_offset=eReal(2)
ALLOCATE(ICE_TIME_MJD(nbtime_mjd), stat=istat)
IF (istat/=0) CALL WWM_ABORT('wwm_icenc, allocate error 3')
CALL MPI_RECV(ICE_TIME_MJD,nbtime_mjd,rtype, 0, 812, comm, istatus, ierr)
END IF
eVAR % cf_scale_factor = cf_scale_factor
eVAR % cf_add_offset = cf_add_offset
eVAR % nbTime = nbtime_mjd
allocate(eVAR % ListTime(nbtime_mjd))
eVAR % ListTime = ICE_TIME_MJD
eVAR % eFileName = eFileName
eVAR % eString = eString
eVAR % idVar = 1
END SUBROUTINE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE CHECK_ICE_TIME(nbtime_mjd, ICE_TIME_MJD)
USE DATAPOOL, only : SEWI, STAT, rkind, THR, wwmerr
IMPLICIT NONE
integer, intent(in) :: nbtime_mjd
real(rkind), intent(in) :: ICE_TIME_MJD(nbtime_mjd)
CHARACTER(LEN=15) :: eTimeStr
real(rkind) DiffTime
real(rkind) :: tolDay = 0.00001
IF (SEWI%BMJD .LT. minval(ICE_TIME_MJD) - tolDay) THEN
WRITE(STAT%FHNDL,*) 'END OF RUN'
WRITE(STAT%FHNDL,*) 'ICE START TIME is outside CF ice_time range!'
CALL MJD2CT(SEWI%BMJD,eTimeStr)
WRITE(STAT%FHNDL,*) 'SEWI%BMJD=', SEWI%BMJD, ' date=', eTimeStr
CALL MJD2CT(SEWI%EMJD,eTimeStr)
WRITE(STAT%FHNDL,*) 'SEWI%EMJD=', SEWI%EMJD, ' date=', eTimeStr
CALL MJD2CT(minval(ICE_TIME_MJD),eTimeStr)
WRITE(STAT%FHNDL,*) 'min(ICE_TIME_MJD)=', minval(ICE_TIME_MJD), ' date=', eTimeStr
CALL MJD2CT(maxval(ICE_TIME_MJD),eTimeStr)
WRITE(STAT%FHNDL,*) 'max(ICE_TIME_MJD)=', maxval(ICE_TIME_MJD), ' date=', eTimeStr
FLUSH(STAT%FHNDL)
WRITE(wwmerr, *) 'Error in ICE_TIME_MJD 1, read ', TRIM(STAT%FNAME)
CALL WWM_ABORT(wwmerr)
END IF
IF (SEWI%EMJD .GT. maxval(ICE_TIME_MJD) + tolDay) THEN
WRITE(STAT%FHNDL,*) 'END OF RUN'
WRITE(STAT%FHNDL,*) 'ICE END TIME is outside CF ice_time range!'
DiffTime=maxval(ICE_TIME_MJD) + THR - SEWI%EMJD
WRITE(STAT%FHNDL,*) 'DiffTime=', DiffTime
CALL MJD2CT(SEWI%BMJD,eTimeStr)
WRITE(STAT%FHNDL,*) 'SEWI%BMJD=', SEWI%BMJD, ' date=', eTimeStr
CALL MJD2CT(SEWI%EMJD,eTimeStr)
WRITE(STAT%FHNDL,*) 'SEWI%EMJD=', SEWI%EMJD, ' date=', eTimeStr
CALL MJD2CT(minval(ICE_TIME_MJD),eTimeStr)
WRITE(STAT%FHNDL,*) 'min(ICE_TIME_MJD)=', minval(ICE_TIME_MJD), ' date=', eTimeStr
CALL MJD2CT(maxval(ICE_TIME_MJD),eTimeStr)
WRITE(STAT%FHNDL,*) 'max(ICE_TIME_MJD)=', maxval(ICE_TIME_MJD), ' date=', eTimeStr
FLUSH(STAT%FHNDL)
WRITE(wwmerr, *) 'Error in ICE_TIME_MJD 2, read ', TRIM(STAT%FNAME)
CALL WWM_ABORT(wwmerr)
END IF
END SUBROUTINE
!**********************************************************************
!* *
!**********************************************************************
SUBROUTINE GET_CF_TIME_INDEX_ICE(eVAR, REC1, REC2, w1, w2)
! For given wwm_time and ice_time return records to get and weights for time
! interpolation F(wwm_time)=F(rec1)*w1 + F(rec2)*w2
!
USE DATAPOOL
IMPLICIT NONE
TYPE(VAR_NETCDF_CF), intent(in) :: eVAR
REAL(rkind), INTENT(OUT) :: w1, w2
INTEGER, INTENT(OUT) :: REC1, REC2
REAL(rkind) :: eTime1, eTime2
INTEGER :: iTime
DO iTime=2,eVAR % nbTime
eTime1=eVAR % ListTime(iTime-1)
eTime2=eVAR % ListTime(iTime)
IF ((eTime1 .le. MAIN%TMJD).and.(MAIN%TMJD .le. eTime2)) THEN
REC2=iTime
REC1=iTime-1
w2=(MAIN % TMJD - eTime1)/(eTime2-eTime1)
w1=(eTime2 - MAIN % TMJD)/(eTime2-eTime1)
RETURN
END IF
END DO
IF (PrintLOG) THEN
WRITE(STAT%FHNDL,*) 'Time error in wind for CF'
WRITE(STAT%FHNDL,*) 'MAIN % TMJD=', MAIN%TMJD
WRITE(STAT%FHNDL,*) 'min(ice_time_mjd)=', minval(eVAR % ListTime)
WRITE(STAT%FHNDL,*) 'max(ice_time_mjd)=', maxval(eVAR % ListTime)
FLUSH(STAT%FHNDL)
END IF
CALL WWM_ABORT('Error in CF ice forcing time setup')
END SUBROUTINE