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cnh |
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C $Header: /u/gcmpack/MITgcm_contrib/ESMF/global_ocean.128x64x15/code/forward_step_setup.F,v 1.1.1.1 2004/02/15 22:28:18 cnh Exp $ |
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C $Name: $ |
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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cswdptr -- add -- |
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#ifdef ALLOW_GCHEM |
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# include "GCHEM_OPTIONS.h" |
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#endif |
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cswdptr -- end add --- |
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CBOP |
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C !ROUTINE: FORWARD_STEP_SETUP |
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C !INTERFACE: |
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SUBROUTINE FORWARD_STEP_SETUP( iloop, myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *================================================================== |
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C | SUBROUTINE forward_step |
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C | o Run the ocean model and, optionally, evaluate a cost function. |
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C *================================================================== |
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C | |
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C | THE_MAIN_LOOP is the toplevel routine for the Tangent Linear and |
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C | Adjoint Model Compiler (TAMC). For this purpose the initialization |
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C | of the model was split into two parts. Those parameters that do |
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C | not depend on a specific model run are set in INITIALISE_FIXED, |
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C | whereas those that do depend on the specific realization are |
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C | initialized in INITIALISE_VARIA. |
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C | |
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C *================================================================== |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global variables == |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "DYNVARS.h" |
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#include "FFIELDS.h" |
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#ifdef ALLOW_NONHYDROSTATIC |
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#include "CG3D.h" |
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#endif |
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#ifdef ALLOW_SHAP_FILT |
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#include "SHAP_FILT.h" |
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#endif |
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#ifdef ALLOW_ZONAL_FILT |
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#include "ZONAL_FILT.h" |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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# include "ctrl.h" |
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# include "ctrl_dummy.h" |
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# include "cost.h" |
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# include "EOS.h" |
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# ifdef ALLOW_EXF |
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# include "exf_fields.h" |
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# ifdef ALLOW_BULKFORMULAE |
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# include "exf_constants.h" |
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# endif |
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# endif |
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# ifdef ALLOW_OBCS |
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# include "OBCS.h" |
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# endif |
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# ifdef ALLOW_PTRACERS |
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# include "PTRACERS.h" |
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# endif |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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C !LOCAL VARIABLES: |
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C == Routine arguments == |
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C note: under the multi-threaded model myiter and |
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C mytime are local variables passed around as routine |
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C arguments. Although this is fiddly it saves the need to |
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C impose additional synchronisation points when they are |
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C updated. |
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C myiter - iteration counter for this thread |
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C mytime - time counter for this thread |
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C mythid - thread number for this instance of the routine. |
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integer iloop |
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integer mythid |
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integer myiter |
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_RL mytime |
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integer i,L |
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CEOP |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_ENTER('FORWARD_STEP',myThid) |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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C-- Reset the model iteration counter and the model time. |
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myiter = nIter0 + (iloop-1) |
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mytime = startTime + float(iloop-1)*deltaTclock |
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#endif |
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#if (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_AUTODIFF_MONITOR)) |
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C Include call to a dummy routine. Its adjoint will be |
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C called at the proper place in the adjoint code. |
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C The adjoint routine will print out adjoint values |
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C if requested. The location of the call is important, |
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C it has to be after the adjoint of the exchanges |
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C (DO_GTERM_BLOCKING_EXCHANGES). |
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CALL DUMMY_IN_STEPPING( myTime, myIter, myThid ) |
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cph I've commented this line since it may conflict with MITgcm's adjoint |
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cph However, need to check whether that's still consistent |
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cph with the ecco-branch (it should). |
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cph CALL DO_FIELDS_BLOCKING_EXCHANGES( myThid ) |
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#endif |
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#ifdef EXACT_CONSERV |
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IF (exactConserv) THEN |
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C-- Update etaH(n+1) : |
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CALL TIMER_START('UPDATE_ETAH [FORWARD_STEP]',mythid) |
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CALL UPDATE_ETAH( myTime, myIter, myThid ) |
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CALL TIMER_STOP ('UPDATE_ETAH [FORWARD_STEP]',mythid) |
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ENDIF |
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#endif /* EXACT_CONSERV */ |
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#ifdef NONLIN_FRSURF |
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IF ( select_rStar.NE.0 ) THEN |
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C-- r* : compute the future level thickness according to etaH(n+1) |
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CALL TIMER_START('CALC_R_STAR [FORWARD_STEP]',mythid) |
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CALL CALC_R_STAR(etaH, myTime, myIter, myThid ) |
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CALL TIMER_STOP ('CALC_R_STAR [FORWARD_STEP]',mythid) |
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ELSEIF ( nonlinFreeSurf.GT.0) THEN |
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C-- compute the future surface level thickness according to etaH(n+1) |
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CALL TIMER_START('CALC_SURF_DR [FORWARD_STEP]',mythid) |
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CALL CALC_SURF_DR(etaH, myTime, myIter, myThid ) |
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CALL TIMER_STOP ('CALC_SURF_DR [FORWARD_STEP]',mythid) |
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ENDIF |
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#endif /* NONLIN_FRSURF */ |
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#ifdef ALLOW_AUTODIFF_TAMC |
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c************************************** |
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#include "checkpoint_lev1_directives.h" |
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c************************************** |
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#endif |
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C-- Call external forcing package |
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#ifdef ALLOW_BULK_FORCE |
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IF ( useBulkForce ) THEN |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_CALL('BULKF_FIELDS_LOAD',myThid) |
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#endif |
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CALL TIMER_START('BULKF_FORCING [FORWARD_STEP]',mythid) |
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C- load all forcing fields at current time |
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CALL BULKF_FIELDS_LOAD( myTime, myIter, myThid ) |
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C- calculate qnet and empmr (and wind stress) |
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CALL BULKF_FORCING( myTime, myIter, myThid ) |
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CALL TIMER_STOP ('BULKF_FORCING [FORWARD_STEP]',mythid) |
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ELSE |
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#endif /* ALLOW_BULK_FORCE */ |
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# ifdef ALLOW_EXF |
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# ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_CALL('EXF_GETFORCING',myThid) |
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# endif |
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CALL TIMER_START('EXF_GETFORCING [FORWARD_STEP]',mythid) |
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CALL EXF_GETFORCING( mytime, myiter, mythid ) |
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CALL TIMER_STOP ('EXF_GETFORCING [FORWARD_STEP]',mythid) |
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# else /* ALLOW_EXF undef */ |
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cph The following IF-statement creates an additional dependency |
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cph for the forcing fields requiring additional storing. |
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cph Therefore, the IF-statement will be put between CPP-OPTIONS, |
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cph assuming that ALLOW_SEAICE has not yet been differentiated. |
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# ifdef ALLOW_SEAICE |
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IF ( .NOT. useSEAICE ) THEN |
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# endif |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_CALL('EXTERNAL_FIELDS_LOAD',myThid) |
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#endif |
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CALL TIMER_START('EXTERNAL_FIELDS_LOAD[FORWARD_STEP]',mythid) |
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CALL EXTERNAL_FIELDS_LOAD( mytime, myiter, mythid ) |
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CALL TIMER_STOP ('EXTERNAL_FIELDS_LOAD[FORWARD_STEP]',mythid) |
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# ifdef ALLOW_SEAICE |
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ENDIF |
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# endif |
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# endif /* ALLOW_EXF */ |
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#ifdef ALLOW_BULK_FORCE |
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C-- end of if/else block useBulfforce -- |
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ENDIF |
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#endif /* ALLOW_BULK_FORCE */ |
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#ifdef ALLOW_AUTODIFF |
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c-- Add control vector for forcing and parameter fields |
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if ( myiter .EQ. nIter0 ) |
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& CALL CTRL_MAP_FORCING (mythid) |
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#endif |
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#ifdef ALLOW_THSICE |
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IF (useThSIce) THEN |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_CALL('THSICE_MAIN',myThid) |
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#endif |
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C-- Step forward Therm.Sea-Ice variables |
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C and modify forcing terms including effects from ice |
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CALL TIMER_START('THSICE_MAIN [FORWARD_STEP]', myThid) |
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CALL THSICE_MAIN( myTime, myIter, myThid ) |
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CALL TIMER_STOP( 'THSICE_MAIN [FORWARD_STEP]', myThid) |
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ENDIF |
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#endif /* ALLOW_THSICE */ |
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# ifdef ALLOW_SEAICE |
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C-- Call sea ice model to compute forcing/external data fields. In |
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C addition to computing prognostic sea-ice variables and diagnosing the |
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C forcing/external data fields that drive the ocean model, SEAICE_MODEL |
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C also sets theta to the freezing point under sea-ice. The implied |
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C surface heat flux is then stored in variable surfaceTendencyTice, |
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C which is needed by KPP package (kpp_calc.F and kpp_transport_t.F) |
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C to diagnose surface buoyancy fluxes and for the non-local transport |
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C term. Because this call precedes model thermodynamics, temperature |
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C under sea-ice may not be "exactly" at the freezing point by the time |
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C theta is dumped or time-averaged. |
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IF ( useSEAICE ) THEN |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_CALL('SEAICE_MODEL',myThid) |
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#endif |
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CALL TIMER_START('SEAICE_MODEL [FORWARD_STEP]',myThid) |
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CALL SEAICE_MODEL( myTime, myIter, myThid ) |
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CALL TIMER_STOP ('SEAICE_MODEL [FORWARD_STEP]',myThid) |
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ENDIF |
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# endif /* ALLOW_SEAICE */ |
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C-- Freeze water at the surface |
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE theta = comlev1, key = ikey_dynamics |
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#endif |
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IF ( allowFreezing .AND. .NOT. useSEAICE |
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& .AND. .NOT. useThSIce ) THEN |
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CALL FREEZE_SURFACE( myTime, myIter, myThid ) |
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ENDIF |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# ifdef ALLOW_PTRACERS |
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cph this replaces _bibj storing of ptracer within thermodynamics |
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CADJ STORE ptracer = comlev1, key = ikey_dynamics |
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# endif |
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#endif |
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#ifdef ALLOW_PTRACERS |
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# ifdef ALLOW_GCHEM |
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CALL GCHEM_FIELDS_LOAD( mytime, myiter, mythid ) |
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# endif |
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#endif |
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#ifdef COMPONENT_MODULE |
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IF ( useCoupler ) THEN |
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C Post coupling data that I export. |
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C Read in coupling data that I import. |
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CALL TIMER_START('CPL_EXPORT-IMPORT [FORWARD_STEP]',myThid) |
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CALL CPL_EXPORT_MY_DATA( myIter, myTime, myThid ) |
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CALL CPL_IMPORT_EXTERNAL_DATA( myIter, myTime, myThid ) |
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CALL TIMER_STOP ('CPL_EXPORT-IMPORT [FORWARD_STEP]',myThid) |
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ENDIF |
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#endif /* COMPONENT_MODULE */ |
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#ifdef COMPONENT_MODULE |
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# ifndef ALLOW_AIM |
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C jmc: don't know precisely where to put this call. leave it here for now. |
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IF ( useCoupler ) THEN |
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CALL OCN_APPLY_IMPORT( myTime, myIter, myThid ) |
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ENDIF |
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# endif |
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#endif /* COMPONENT_MODULE */ |
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RETURN |
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END |
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