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esm.F90
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!==============================================================================
! Earth System Modeling Framework
! Copyright (c) 2002-2025, University Corporation for Atmospheric Research,
! Massachusetts Institute of Technology, Geophysical Fluid Dynamics
! Laboratory, University of Michigan, National Centers for Environmental
! Prediction, Los Alamos National Laboratory, Argonne National Laboratory,
! NASA Goddard Space Flight Center.
! Licensed under the University of Illinois-NCSA License.
!==============================================================================
module ESM
!-----------------------------------------------------------------------------
! Code that specializes generic ESM Component code.
!-----------------------------------------------------------------------------
use ESMF
use NUOPC
use NUOPC_Driver, &
driverSS => SetServices
use ATM, only: atmSS => SetServices
use OCN, only: ocnSS => SetServices
use NUOPC_Connector, only: cplSS => SetServices
implicit none
private
public SetServices
!-----------------------------------------------------------------------------
contains
!-----------------------------------------------------------------------------
subroutine SetServices(driver, rc)
type(ESMF_GridComp) :: driver
integer, intent(out) :: rc
rc = ESMF_SUCCESS
! derive from NUOPC_Driver
call NUOPC_CompDerive(driver, driverSS, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
! specialize driver
call NUOPC_CompSpecialize(driver, specLabel=label_SetModelServices, &
specRoutine=SetModelServices, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
! set driver verbosity
call NUOPC_CompAttributeSet(driver, name="Verbosity", value="high", rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
end subroutine
!-----------------------------------------------------------------------------
subroutine SetModelServices(driver, rc)
type(ESMF_GridComp) :: driver
integer, intent(out) :: rc
! local variables
type(ESMF_Grid) :: grid
type(ESMF_Field) :: field
type(ESMF_Time) :: startTime
type(ESMF_Time) :: stopTime
type(ESMF_TimeInterval) :: timeStep
type(ESMF_Clock) :: internalClock
type(ESMF_GridComp) :: child
type(ESMF_CplComp) :: connector
rc = ESMF_SUCCESS
! SetServices for ATM
call NUOPC_DriverAddComp(driver, "ATM", atmSS, comp=child, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call NUOPC_CompAttributeSet(child, name="Verbosity", value="high", rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
! SetServices for OCN
call NUOPC_DriverAddComp(driver, "OCN", ocnSS, comp=child, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call NUOPC_CompAttributeSet(child, name="Verbosity", value="high", rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
! Disabling the following macro, e.g. renaming to WITHCONNECTORS_disable,
! will result in a driver that does not call connectors between the model
! components. This mode can be used if all model components are driven
! as independent models. However, even for independent models the
! connectors can be set here, but will turn into no-ops.
#define WITHCONNECTORS
#ifdef WITHCONNECTORS
! SetServices for atm2ocn
call NUOPC_DriverAddComp(driver, srcCompLabel="ATM", dstCompLabel="OCN", &
compSetServicesRoutine=cplSS, comp=connector, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call NUOPC_CompAttributeSet(connector, name="Verbosity", value="high", rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
! SetServices for ocn2atm
call NUOPC_DriverAddComp(driver, srcCompLabel="OCN", dstCompLabel="ATM", &
compSetServicesRoutine=cplSS, comp=connector, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call NUOPC_CompAttributeSet(connector, name="Verbosity", value="high", rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
#endif
! set the driver clock
call ESMF_TimeIntervalSet(timeStep, m=15, rc=rc) ! 15 minute steps
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call ESMF_TimeSet(startTime, yy=2010, mm=6, dd=1, h=0, m=0, &
calkindflag=ESMF_CALKIND_GREGORIAN, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call ESMF_TimeSet(stopTime, yy=2010, mm=6, dd=1, h=1, m=0, &
calkindflag=ESMF_CALKIND_GREGORIAN, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
internalClock = ESMF_ClockCreate(name="Application Clock", &
timeStep=timeStep, startTime=startTime, stopTime=stopTime, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
call ESMF_GridCompSet(driver, clock=internalClock, rc=rc)
if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
line=__LINE__, &
file=__FILE__)) &
return ! bail out
end subroutine
!-----------------------------------------------------------------------------
end module