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mod_esmf_cpl.F90
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mod_esmf_cpl.F90
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!=======================================================================
! Regional Earth System Model (RegESM)
! Copyright (c) 2013-2019 Ufuk Turuncoglu
! Licensed under the MIT License.
!=======================================================================
#define FILENAME "mod_esmf_cpl.F90"
!
!-----------------------------------------------------------------------
! CPL gridded component code
!-----------------------------------------------------------------------
!
module mod_esmf_cpl
!
!-----------------------------------------------------------------------
! Used module declarations
!-----------------------------------------------------------------------
!
use ESMF
use NUOPC
use NUOPC_Connector, only : &
NUOPC_SetServices => SetServices, &
NUOPC_Label_ComputeRH => label_ComputeRouteHandle, &
NUOPC_Label_ExecuteRH => label_ExecuteRouteHandle, &
NUOPC_Label_ReleaseRH => label_ReleaseRouteHandle, &
NUOPC_ConnectorGet, NUOPC_ConnectorSet
!
use mod_types
use mod_utils
!
implicit none
private
!
!-----------------------------------------------------------------------
! Public subroutines
!-----------------------------------------------------------------------
!
public :: CPL_SetServices
!
contains
!
subroutine CPL_SetServices(ccomp, rc)
implicit none
!
!-----------------------------------------------------------------------
! Imported variable declarations
!-----------------------------------------------------------------------
!
type(ESMF_CplComp) :: ccomp
integer, intent(out) :: rc
!
rc = ESMF_SUCCESS
!
!-----------------------------------------------------------------------
! Register generic methods
!-----------------------------------------------------------------------
!
call NUOPC_CompDerive(ccomp, NUOPC_SetServices, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Attach specializing methods
!-----------------------------------------------------------------------
!
call NUOPC_CompSpecialize(ccomp, specLabel=NUOPC_Label_ComputeRH, &
specRoutine=CPL_ComputeRH, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call NUOPC_CompSpecialize(ccomp, specLabel=NUOPC_Label_ExecuteRH, &
specRoutine=CPL_ExecuteRH, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call NUOPC_CompSpecialize(ccomp, specLabel=NUOPC_Label_ReleaseRH, &
specRoutine=CPL_ReleaseRH, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
end subroutine CPL_SetServices
!
subroutine CPL_ComputeRH(ccomp, rc)
implicit none
!
!-----------------------------------------------------------------------
! Imported variable declarations
!-----------------------------------------------------------------------
!
type(ESMF_CplComp) :: ccomp
integer, intent(out) :: rc
!
!-----------------------------------------------------------------------
! Local variable declarations
!-----------------------------------------------------------------------
!
logical :: enableExtp, coprocActive, rhExist, rh1Exist, rh2Exist
integer :: i, j, localPet, petCount, localDECount
integer :: iSrc, iDst, idSrc, idDst, itSrc, itDst, grSrc, grDst
integer :: srcCount, dstCount, itemCount, srcTermProcessing
integer :: srcMaskVal, dstMaskVal
integer(ESMF_KIND_I4), allocatable, dimension(:,:) :: tlw, tuw
character(ESMF_MAXSTR) :: ofile
character(ESMF_MAXSTR) :: cname, fname, rname, msgString
character(ESMF_MAXSTR), pointer :: cplList(:)
character(ESMF_MAXSTR), pointer :: srcList(:), dstList(:)
!
type(ESMF_VM) :: vm
type(ESMF_State) :: state
type(ESMF_DistGrid) :: distgrid
type(ESMF_Grid) :: srcGrid, dstGrid
type(ESMF_StaggerLoc) :: srcSLoc, dstSLoc
type(ESMF_UnmappedAction_Flag) :: unmap
type(ESMF_RegridMethod_Flag) :: regridMethod
type(ESMF_RouteHandle) :: routeHandle
type(ESMF_Field) :: srcField, dstField, tmpField
type(ESMF_FieldBundle) :: dstFields, srcFields
!
rc = ESMF_SUCCESS
!
!-----------------------------------------------------------------------
! Query coupler component
!-----------------------------------------------------------------------
!
call ESMF_CplCompGet(ccomp, name=cname, vm=vm, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_VMGet(vm, localPet=localPet, petCount=petCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
do i = 1, nModels
do j = 1, nModels
if (connectors(i,j)%modActive .and. &
trim(connectors(i,j)%name) == trim(cname)) then
iSrc = i
iDst = j
end if
end do
end do
!
enableExtp = connectors(iSrc,iDst)%modExtrapolation
!
!-----------------------------------------------------------------------
! Interacting with co-processing component or not?
!-----------------------------------------------------------------------
!
coprocActive = .false.
if (iDst == Icopro) then
coprocActive = .true.
end if
!
!-----------------------------------------------------------------------
! Exchange land-sea mask information
!-----------------------------------------------------------------------
!
call UTIL_VMGlobalBroadcast(models(iSrc)%isLand, &
models(iSrc)%petList(1), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call UTIL_VMGlobalBroadcast(models(iDst)%isLand, &
models(iDst)%petList(1), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call UTIL_VMGlobalBroadcast(models(iSrc)%isOcean, &
models(iSrc)%petList(1), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call UTIL_VMGlobalBroadcast(models(iDst)%isOcean, &
models(iDst)%petList(1), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Set source and destination masks for connector
!-----------------------------------------------------------------------
!
if (connectors(iSrc,iDst)%modInteraction == Ioverocn) then
srcMaskVal = models(iSrc)%isLand
dstMaskVal = models(iDst)%isLand
else if (connectors(iSrc,iDst)%modInteraction == Ioverlnd) then
srcMaskVal = models(iSrc)%isOcean
dstMaskVal = models(iDst)%isOcean
end if
!
!-----------------------------------------------------------------------
! Get size of source and destination field list
!-----------------------------------------------------------------------
!
call NUOPC_ConnectorGet(ccomp, srcFields=srcFields, &
dstFields=dstFields, state=state, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(srcFields, fieldCount=srcCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(dstFields, fieldCount=dstCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Get source and destination fields
!-----------------------------------------------------------------------
!
if (srcCount == dstCount .and. dstCount > 0) then
!
!-----------------------------------------------------------------------
! Allocate list arrays and routehandle
!-----------------------------------------------------------------------
!
allocate(srcList(srcCount))
allocate(dstList(dstCount))
!
!-----------------------------------------------------------------------
! Query field lists
!-----------------------------------------------------------------------
!
call ESMF_FieldBundleGet(srcFields, fieldNameList=srcList, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(dstFields, fieldNameList=dstList, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Loop over exchange fields
!-----------------------------------------------------------------------
!
do i = 1, srcCount
!
!-----------------------------------------------------------------------
! Get source and destination field index
!-----------------------------------------------------------------------
!
idSrc = get_varid(models(iSrc)%exportField, srcList(i))
idDst = get_varid(models(iDst)%importField, dstList(i))
!
!-----------------------------------------------------------------------
! Get interpolation type
!-----------------------------------------------------------------------
!
itSrc = models(iSrc)%exportField(idSrc)%itype
itDst = models(iDst)%importField(idDst)%itype
!
if (itSrc /= itDst) then
write(msgString,'(a)') trim(cname)// &
': src and dst field interpolation type does not match!'
call ESMF_LogWrite(trim(msgString), ESMF_LOGMSG_ERROR)
return
end if
!
!-----------------------------------------------------------------------
! Get grid type
!-----------------------------------------------------------------------
!
grSrc = models(iSrc)%exportField(idSrc)%gtype
grDst = models(iDst)%importField(idDst)%gtype
!
!-----------------------------------------------------------------------
! Get source and destination field bundle
!-----------------------------------------------------------------------
!
fname = trim(models(iSrc)%exportField(idSrc)%short_name)
!
call ESMF_FieldBundleGet(srcFields, trim(fname), &
field=srcField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(dstFields, trim(fname), &
field=dstField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Get source and destination field
!-----------------------------------------------------------------------
!
call ESMF_FieldGet(srcField, grid=srcGrid, &
staggerloc=srcSLoc, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldGet(dstField, grid=dstGrid, &
staggerloc=dstSLoc, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! If co-processing is active, then create routehandle just for
! field redistribution without regridding
!-----------------------------------------------------------------------
!
if (coprocActive) then
!
!-----------------------------------------------------------------------
! Check routehandle (i.e. rh_ATM-COP_redist)
!-----------------------------------------------------------------------
!
write(rname, fmt="(A,'_',I1,'d_redist')") trim(cname), &
models(iSrc)%exportField(idSrc)%rank
!
call ESMF_StateGet(state, itemSearch='rh_'//trim(rname), &
itemCount=itemCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
rhExist = .true.
if (itemCount <= 0) rhExist = .false.
!
if (.not. rhExist) then
!
!-----------------------------------------------------------------------
! Create routehandle
!-----------------------------------------------------------------------
!
call ESMF_FieldRedistStore(srcField=srcField, &
dstField=dstField, &
routeHandle=routeHandle, &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add name to routehandle
!-----------------------------------------------------------------------
!
call ESMF_RouteHandleSet(routeHandle, &
name='rh_'//trim(rname), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add 1st routehandle to the state
!-----------------------------------------------------------------------
!
call ESMF_StateAdd(state, (/ routeHandle /), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
end if
!
!-----------------------------------------------------------------------
! Interacting with other earth system model components (ATM, OCN),
! co-processing component is not active.
!-----------------------------------------------------------------------
!
else
!
!-----------------------------------------------------------------------
! Check for extrapolation option for field?
!-----------------------------------------------------------------------
!
if (enableExtp) then
!
!-----------------------------------------------------------------------
! Create routehandles for two step interpolation
!-----------------------------------------------------------------------
!-----------------------------------------------------------------------
! Check 1st routehandle (i.e. rh_CROSS_DOT_BLIN_ATM-OCN)
!-----------------------------------------------------------------------
!
rname = trim(GRIDDES(grSrc))//'_'//trim(GRIDDES(grDst))//'_'// &
trim(INTPDES(Ibilin))//'_'//trim(cname)//'_ext'
!
call ESMF_StateGet(state, itemSearch='rh_'//trim(rname), &
itemCount=itemCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
rh1Exist = .true.
if (itemCount <= 0) rh1Exist = .false.
!
if (.not. rh1Exist) then
!
!-----------------------------------------------------------------------
! Create 1st routehandle
!-----------------------------------------------------------------------
!
unmap = ESMF_UNMAPPEDACTION_IGNORE
regridMethod = ESMF_REGRIDMETHOD_BILINEAR
!
srcTermProcessing = 0
!
call ESMF_FieldRegridStore(srcField=srcField, &
dstField=dstField, &
srcMaskValues=(/srcMaskVal/), &
dstMaskValues=(/dstMaskVal/), &
unmappedaction=unmap, &
routeHandle=routeHandle, &
regridmethod=regridMethod, &
ignoreDegenerate=.true., &
srcTermProcessing=srcTermProcessing, &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add name to 1st routehandle
!-----------------------------------------------------------------------
!
call ESMF_RouteHandleSet(routeHandle, &
name='rh_'//trim(rname), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add 1st routehandle to the state
!-----------------------------------------------------------------------
!
call ESMF_StateAdd(state, (/ routeHandle /), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
end if
!
!-----------------------------------------------------------------------
! Check 2nd routehandle (i.e. rh_CROSS_DOT_NS2D_ATM-OCN)
!-----------------------------------------------------------------------
!
rname = trim(GRIDDES(grSrc))//'_'//trim(GRIDDES(grDst))//'_'// &
trim(INTPDES(Instod))//'_'//trim(cname)//'_ext'
!
call ESMF_StateGet(state, itemSearch='rh_'//trim(rname), &
itemCount=itemCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
rh2Exist = .true.
if (itemCount <= 0) rh2Exist = .false.
!
if (.not. rh2Exist) then
!
!-----------------------------------------------------------------------
! Create temporary field in destination grid
!-----------------------------------------------------------------------
!
tmpField = UTIL_FieldCreate(dstField, 'temp_field', ONE_R8, -1,rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Modify grid mask to split masked and unmasked grid cells
!-----------------------------------------------------------------------
!
call UTIL_FindUnmapped(srcField, dstField, srcMaskVal, &
dstMaskVal, iSrc, iDst, rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Create 2nd routehandle
!-----------------------------------------------------------------------
!
unmap = ESMF_UNMAPPEDACTION_IGNORE
regridMethod = ESMF_REGRIDMETHOD_NEAREST_STOD
!
srcTermProcessing = 0
!
call ESMF_FieldRegridStore(srcField=tmpField, &
dstField=dstField, &
srcMaskValues=(/ dstMaskVal, &
UNMAPPED_MASK /), &
dstMaskValues=(/ dstMaskVal, &
MAPPED_MASK /), &
unmappedaction=unmap, &
routeHandle=routeHandle, &
regridmethod=regridMethod, &
srcTermProcessing=srcTermProcessing, &
ignoreDegenerate=.true., &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add name to 2nd routehandle
!-----------------------------------------------------------------------
!
call ESMF_RouteHandleSet(routeHandle, &
name='rh_'//trim(rname), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add 2nd routehandle to the state
!-----------------------------------------------------------------------
!
call ESMF_StateAdd(state, (/ routeHandle /), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Delete temporary field
!-----------------------------------------------------------------------
!
call ESMF_FieldDestroy(tmpField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
end if
!
else
!
!-----------------------------------------------------------------------
! Create routehandle for one step interpolation
!-----------------------------------------------------------------------
!
rname = trim(GRIDDES(grSrc))//'_'//trim(GRIDDES(grDst))//'_'// &
trim(INTPDES(itSrc))//'_'//trim(cname)
!
call ESMF_StateGet(state, itemSearch='rh_'//trim(rname), &
itemCount=itemCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
rh1Exist = .true.
rh2Exist = .false.
if (itemCount <= 0) rh1Exist = .false.
!
if (.not. rh1Exist) then
unmap = ESMF_UNMAPPEDACTION_IGNORE
!
if (itSrc == Ibilin) then
regridMethod = ESMF_REGRIDMETHOD_BILINEAR
else if (itSrc == Instod) then
regridMethod = ESMF_REGRIDMETHOD_NEAREST_STOD
else if (itSrc == Indtos) then
regridMethod = ESMF_REGRIDMETHOD_NEAREST_DTOS
else
write(msgString,'(a)') trim(cname)//': selected '// &
'interpolation type is not supported! '//INTPDES(itSrc)
call ESMF_LogWrite(trim(msgString), ESMF_LOGMSG_ERROR)
call ESMF_Finalize(endflag=ESMF_END_ABORT)
end if
!
srcTermProcessing = 0
!
if (iSrc == Iocean) then
call ESMF_FieldRegridStore(srcField=srcField, &
dstField=dstField, &
srcMaskValues=(/models(iSrc)%isLand/), &
unmappedaction=unmap, &
routeHandle=routeHandle, &
regridmethod=regridMethod, &
srcTermProcessing=srcTermProcessing, &
ignoreDegenerate=.true., &
rc=rc)
else
call ESMF_FieldRegridStore(srcField=srcField, &
dstField=dstField, &
unmappedaction=unmap, &
routeHandle=routeHandle, &
regridmethod=regridMethod, &
srcTermProcessing=srcTermProcessing, &
ignoreDegenerate=.true., &
rc=rc)
end if
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add name to routehandle
!-----------------------------------------------------------------------
!
call ESMF_RouteHandleSet(routeHandle, &
name='rh_'//trim(rname), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Add routehandle to the state
!-----------------------------------------------------------------------
!
call ESMF_StateAdd(state, (/ routeHandle /), rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
end if
!
end if
!
!-----------------------------------------------------------------------
! Debug: print out exchange fields
!-----------------------------------------------------------------------
!
if ((debugLevel > 0) .and. (localPet == 0)) then
write(*,40) trim(cname), &
trim(models(iSrc)%exportField(idSrc)%short_name), &
trim(GRIDDES(models(iSrc)%exportField(idSrc)%gtype)), &
trim(models(iDst)%importField(idDst)%short_name), &
trim(GRIDDES(models(iDst)%importField(idDst)%gtype)), &
trim(INTPDES(models(iSrc)%exportField(idSrc)%itype)), &
rh1Exist, rh2Exist
end if
!
end if
!
end do
!
end if
!
!-----------------------------------------------------------------------
! Formats
!-----------------------------------------------------------------------
!
40 format(A10,': routehandle ',A4,'[',A,'] to ',A4,'[',A,']', &
' >> ',A, ' - ',L1,' - ',L1)
!
end subroutine CPL_ComputeRH
!
subroutine CPL_ExecuteRH(ccomp, rc)
implicit none
!
!-----------------------------------------------------------------------
! Imported variable declarations
!-----------------------------------------------------------------------
!
type(ESMF_CplComp) :: ccomp
integer, intent(out) :: rc
!
!-----------------------------------------------------------------------
! Local variable declarations
!-----------------------------------------------------------------------
!
logical :: coprocActive, enableExtp
real*8 :: src_total, dst_total, rel_error
integer :: srcValueList(9), dstValueList(9)
integer :: localPet, petCount, localDECount
integer :: i, j, srcCount, dstCount
integer :: iSrc, iDst, idSrc, idDst, itSrc, itDst, grSrc, grDst
character(ESMF_MAXSTR), pointer :: srcList(:), dstList(:)
character(ESMF_MAXSTR) :: msgString, cname, fname, rname
!
type(ESMF_VM) :: vm
type(ESMF_State) :: state
type(ESMF_Grid) :: srcGrid, dstGrid
type(ESMF_RouteHandle) :: routeHandle
type(ESMF_StaggerLoc) :: srcSLoc, dstSLoc
type(ESMF_Field) :: srcField, dstField, tmpField
type(ESMF_FieldBundle) :: dstFields, srcFields
real(ESMF_KIND_R8), dimension(:,:), pointer :: ptr2d
!
rc = ESMF_SUCCESS
!
!-----------------------------------------------------------------------
! Query coupler component
!-----------------------------------------------------------------------
!
call ESMF_CplCompGet(ccomp, name=cname, vm=vm, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_VMGet(vm, localPet=localPet, petCount=petCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
do i = 1, nModels
do j = 1, nModels
if (connectors(i,j)%modActive .and. &
trim(connectors(i,j)%name) == trim(cname)) then
iSrc = i
iDst = j
end if
end do
end do
!
enableExtp = connectors(iSrc,iDst)%modExtrapolation
!
!-----------------------------------------------------------------------
! Interacting with co-processing component or not?
!-----------------------------------------------------------------------
!
coprocActive = .false.
if (iDst == Icopro) then
coprocActive = .true.
end if
!
!-----------------------------------------------------------------------
! Get size of field list
!-----------------------------------------------------------------------
!
call NUOPC_ConnectorGet(ccomp, srcFields=srcFields, &
dstFields=dstFields, state=state, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(srcFields, fieldCount=srcCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(dstFields, fieldCount=dstCount, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Get name of fields
!-----------------------------------------------------------------------
!
allocate(srcList(srcCount))
call ESMF_FieldBundleGet(srcFields, fieldNameList=srcList, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
allocate(dstList(dstCount))
call ESMF_FieldBundleGet(dstFields, fieldNameList=dstList, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Loop over exchange fields
!-----------------------------------------------------------------------
!
do i = 1, srcCount
!
!-----------------------------------------------------------------------
! Get source and destination field index
!-----------------------------------------------------------------------
!
idSrc = get_varid(models(iSrc)%exportField, srcList(i))
idDst = get_varid(models(iDst)%importField, dstList(i))
!
!-----------------------------------------------------------------------
! Get interpolation type
!-----------------------------------------------------------------------
!
itSrc = models(iSrc)%exportField(idSrc)%itype
itDst = models(iDst)%importField(idDst)%itype
!
if (itSrc /= itDst) then
write(msgString,'(a)') trim(cname)// &
': src and dst field interpolation type does not match!'
call ESMF_LogWrite(trim(msgString), ESMF_LOGMSG_ERROR)
return
end if
!
!-----------------------------------------------------------------------
! Get grid type
!-----------------------------------------------------------------------
!
grSrc = models(iSrc)%exportField(idSrc)%gtype
grDst = models(iDst)%importField(idDst)%gtype
!
!-----------------------------------------------------------------------
! Get source and destination field
!-----------------------------------------------------------------------
!
fname = trim(models(iSrc)%exportField(idSrc)%short_name)
!
call ESMF_FieldBundleGet(srcFields, trim(fname), &
field=srcField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldBundleGet(dstFields, trim(fname), &
field=dstField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! If co-processing is active, then create routehandle just for
! field redistribution without regridding
!-----------------------------------------------------------------------
!
if (coprocActive) then
!
!-----------------------------------------------------------------------
! Perform redistribute
!-----------------------------------------------------------------------
!
write(rname, fmt="(A,'_',I1,'d_redist')") trim(cname), &
models(iSrc)%exportField(idSrc)%rank
!
call ESMF_StateGet(state, 'rh_'//trim(rname), routeHandle, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldRedist(srcField, dstField, routeHandle, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!
!-----------------------------------------------------------------------
! Debug: print out exchange fields
!-----------------------------------------------------------------------
!
if ((debugLevel > 0) .and. (localPet == 0)) then
write(*,80) trim(cname), &
trim(models(iSrc)%exportField(idSrc)%short_name), &
trim(GRIDDES(models(iSrc)%exportField(idSrc)%gtype)), &
trim(models(iDst)%importField(idDst)%short_name), &
trim(GRIDDES(models(iDst)%importField(idDst)%gtype))
end if
!
else
!
!-----------------------------------------------------------------------
! Perform regrid
!-----------------------------------------------------------------------
!
if (enableExtp) then
!
!-----------------------------------------------------------------------
! Perform regrid with extrapolation support
!-----------------------------------------------------------------------
!-----------------------------------------------------------------------
! Get 1st routehandle from state
!-----------------------------------------------------------------------
!
rname = trim(GRIDDES(grSrc))//'_'//trim(GRIDDES(grDst))//'_'// &
trim(INTPDES(itSrc))//'_'//trim(cname)//'_ext'
!
call ESMF_StateGet(state, 'rh_'//trim(rname), routeHandle, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Create temporary field in destination grid
!-----------------------------------------------------------------------
!
tmpField = UTIL_FieldCreate(dstField, fname, MISSING_R8, -1, rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Perform 1st regrid operation
!-----------------------------------------------------------------------
!
call ESMF_FieldRegrid(srcField, tmpField, routeHandle, &
zeroregion=ESMF_REGION_SELECT, &
termorderflag=ESMF_TERMORDER_SRCSEQ, &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Copy content from temporary field to destination field
!-----------------------------------------------------------------------
!
call ESMF_FieldCopy(dstField, tmpField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Get 2nd routehandle from state
!-----------------------------------------------------------------------
!
rname = trim(GRIDDES(grSrc))//'_'//trim(GRIDDES(grDst))//'_'// &
'NS2D_'//trim(cname)//'_ext'
!
call ESMF_StateGet(state, 'rh_'//trim(rname), routeHandle, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Perform 2nd regrid operation to fill unmapped grid points
!-----------------------------------------------------------------------
!
call ESMF_FieldRegrid(tmpField, dstField, routeHandle, &
zeroregion=ESMF_REGION_SELECT, &
termorderflag=ESMF_TERMORDER_SRCSEQ, &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldDestroy(tmpField, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
!-----------------------------------------------------------------------
! Check: integral adjustment is activated or not for the field
!-----------------------------------------------------------------------
!
if (models(iSrc)%exportField(idSrc)%enable_integral_adj) then
!
!-----------------------------------------------------------------------
! Calculate integral
!-----------------------------------------------------------------------
!
src_total = ZERO_R8
src_total = UTIL_CalcIntegral(vm, srcField, &
(/ UNMAPPED_MASK, MAPPED_MASK /), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
if (localPet == 0) then
write(*,70) localPet, 'SRC. INTEGRAL', src_total, &
trim(models(iSrc)%exportField(idSrc)%short_name)
end if
!
dst_total = ZERO_R8
dst_total = UTIL_CalcIntegral(vm, dstField, &
(/ UNMAPPED_MASK, MAPPED_MASK /), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
if (localPet == 0) then
write(*,70) localPet, 'DST. INTEGRAL', dst_total, &
trim(models(iSrc)%exportField(idSrc)%short_name)
rel_error = 0.0d0
if (src_total /= 0.0d0) then
rel_error = (dst_total-src_total)/src_total
end if
write(*,70) localPet, 'RELATIVE ERROR 1', rel_error, &
trim(models(iSrc)%exportField(idSrc)%short_name)
end if
!
!-----------------------------------------------------------------------
! Adjust destination field based on calculated integral
!-----------------------------------------------------------------------
!
call UTIL_AdjustField(vm, dstField, &
(/ UNMAPPED_MASK, MAPPED_MASK /), &
dst_total-src_total, rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
dst_total = ZERO_R8
dst_total = UTIL_CalcIntegral(vm, dstField, &
(/ UNMAPPED_MASK, MAPPED_MASK /), rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
if (localPet == 0) then
write(*,70) localPet, 'DST. INTEGRAL (CORR)', dst_total, &
trim(models(iSrc)%exportField(idSrc)%short_name)
rel_error = 0.0d0
if (src_total /= 0.0d0) then
rel_error = (dst_total-src_total)/src_total
end if
write(*,70) localPet, 'RELATIVE ERROR 2', rel_error, &
trim(models(iSrc)%exportField(idSrc)%short_name)
end if
end if
!
else
!
!-----------------------------------------------------------------------
! Perform regrid without extrapolation support
!-----------------------------------------------------------------------
!
rname = trim(GRIDDES(grSrc))//'_'//trim(GRIDDES(grDst))//'_'// &
trim(INTPDES(itSrc))//'_'//trim(cname)
!
call ESMF_StateGet(state, 'rh_'//trim(rname), routeHandle, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldRegrid(srcField, dstField, routeHandle, &
zeroregion=ESMF_REGION_SELECT, &
termorderflag=ESMF_TERMORDER_SRCSEQ, &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
end if
!
!-----------------------------------------------------------------------
! Debug: write data to disk
!-----------------------------------------------------------------------
!
if (debugLevel > 4) then
call ESMF_FieldWrite(srcField, 'src_data_'//trim(cname)//'.nc', &
variableName='src_data', overwrite=.true., &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
!
call ESMF_FieldWrite(dstField, 'dst_data_'//trim(cname)//'.nc', &
variableName='dst_data', overwrite=.true., &
rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, file=FILENAME)) return
end if
!
!-----------------------------------------------------------------------
! Debug: print out exchange fields
!-----------------------------------------------------------------------
!
if ((debugLevel > 0) .and. (localPet == 0)) then
write(*,60) trim(cname), &
trim(models(iSrc)%exportField(idSrc)%short_name), &
trim(GRIDDES(models(iSrc)%exportField(idSrc)%gtype)), &
trim(models(iDst)%importField(idDst)%short_name), &
trim(GRIDDES(models(iDst)%importField(idDst)%gtype)), &
trim(INTPDES(models(iSrc)%exportField(idSrc)%itype))
end if
!
!-----------------------------------------------------------------------
! Debug: print out import/export fields time stamp info
!-----------------------------------------------------------------------
!
if ((debugLevel > 0) .and. (localPet == 0)) then
call ESMF_AttributeGet(srcField, name="TimeStamp", &