C $Header: /u/gcmpack/MITgcm/pkg/shelfice/shelfice_init_fixed.F,v 1.17 2016/02/15 18:02:37 jmc Exp $ C $Name: $ #include "SHELFICE_OPTIONS.h" #ifdef ALLOW_COST # include "COST_OPTIONS.h" #endif #ifdef ALLOW_CTRL # include "CTRL_OPTIONS.h" #endif SUBROUTINE SHELFICE_INIT_FIXED( myThid ) C *============================================================* C | SUBROUTINE SHELFICE_INIT_FIXED C | o Routine to initialize SHELFICE parameters and variables. C *============================================================* C | Initialize SHELFICE parameters and variables. C *============================================================* IMPLICIT NONE C === Global variables === #include "SIZE.h" #include "EEPARAMS.h" #include "PARAMS.h" #include "GRID.h" #include "SHELFICE.h" #ifdef ALLOW_COST # include "cost.h" # include "SHELFICE_COST.h" #endif /* ALLOW_COST */ C === Routine arguments === C myThid :: Number of this instance of SHELFICE_INIT_FIXED INTEGER myThid #ifdef ALLOW_SHELFICE C === Local variables === C i, j, bi, bj :: Loop counters INTEGER i, j, bi, bj #ifdef ALLOW_DIAGNOSTICS INTEGER diagNum INTEGER diagMate CHARACTER*8 diagName CHARACTER*16 diagCode CHARACTER*16 diagUnits CHARACTER*(80) diagTitle #endif /* ALLOW_DIAGNOSTICS */ #if (defined (ALLOW_SHIFWFLX_COST_CONTRIBUTION) && \ defined (ALLOW_SHIFWFLX_CONTROL)) _RL dummy #endif #ifdef ALLOW_MNC C Initialize MNC variable information for SHELFICE IF ( useMNC .AND. (shelfice_tave_mnc.OR.shelfice_dump_mnc) & ) THEN CALL SHELFICE_MNC_INIT( myThid ) ENDIF #endif /* ALLOW_MNC */ C----------------------------------------------------------------------- C-- Initialize SHELFICE variables kTopC C-- kTopC is the same as kSurfC, except outside ice-shelf area: C-- kTop = 0 where there is no ice-shelf (where kSurfC=1) C-- and over land (completely dry column) where kSurfC = Nr+1 C----------------------------------------------------------------------- DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j = 1-OLy, sNy+OLy DO i = 1-OLx, sNx+OLx IF ( kSurfC(i,j,bi,bj).LE.Nr .AND. & R_shelfIce(i,j,bi,bj).LT.zeroRS ) THEN kTopC(i,j,bi,bj) = kSurfC(i,j,bi,bj) ELSE kTopC(i,j,bi,bj) = 0 ENDIF shelficeMassInit (i,j,bi,bj) = 0. _d 0 shelficeLoadAnomaly(i,j,bi,bj) = 0. _d 0 shelfIceMassDynTendency(i,j,bi,bj) = 0. _d 0 ENDDO ENDDO ENDDO ENDDO #ifdef ALLOW_COST #if (defined (ALLOW_SHIFWFLX_COST_CONTRIBUTION) && \ defined (ALLOW_SHIFWFLX_CONTROL)) IF ( shifwflx_errfile .NE. ' ' ) THEN CALL READ_REC_XY_RL( shifwflx_errfile, wshifwflx, 1, 0, myThid ) ENDIF DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j = 1-OLy, sNy+OLy DO i = 1-OLx, sNx+OLx c-- Test for missing values. IF (wshifwflx(i,j,bi,bj) .LT. -9900.) THEN wshifwflx(i,j,bi,bj) = 0. _d 0 ENDIF c-- use weight as mask wshifwflx(i,j,bi,bj) = & max(wshifwflx(i,j,bi,bj),wshifwflx0) & *maskSHI(i,j,1,bi,bj) IF (wshifwflx(i,j,bi,bj) .NE. 0.) THEN wshifwflx(i,j,bi,bj) = & 1./wshifwflx(i,j,bi,bj)/wshifwflx(i,j,bi,bj) ENDIF ENDDO ENDDO ENDDO ENDDO CALL ACTIVE_WRITE_XY_LOC( 'wshifwflx', wshifwflx, & 1, 0, myThid, dummy ) #endif /* ALLOW_SHIFWFLX_COST_CONTRIBUTION and ALLOW_SHIFWFLX_CONTROL */ #endif /* ALLOW_COST */ IF ( SHELFICEloadAnomalyFile .NE. ' ' ) THEN CALL READ_FLD_XY_RL( SHELFICEloadAnomalyFile, ' ', & shelficeLoadAnomaly, 0, myThid ) ENDIF IF ( SHELFICEmassFile.NE.' ' ) THEN CALL READ_FLD_XY_RL( SHELFICEmassFile, ' ', & shelficeMassInit, 0, myThid ) ELSE DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j = 1, sNy DO i = 1, sNx shelficeMassInit(i,j,bi,bj) = & shelficeLoadAnomaly(i,j,bi,bj)*recip_gravity & - rhoConst*Ro_surf(i,j,bi,bj) ENDDO ENDDO ENDDO ENDDO ENDIF _EXCH_XY_RL( shelficeMassInit, myThid ) CALL WRITE_FLD_XY_RL ( 'shelficemassinit', ' ', & shelficeMassInit, 0, myThid ) c IF ( SHELFICEloadAnomalyFile .EQ. ' ' ) THEN C- In case we need shelficeLoadAnomaly in phi0surf for initial pressure C calculation (if using selectP_inEOS_Zc=2 or 3) DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j = 1-OLy, sNy+OLy DO i = 1-OLx, sNx+OLx shelficeLoadAnomaly(i,j,bi,bj) = gravity & *(shelficeMassInit(i,j,bi,bj)+rhoConst*Ro_surf(i,j,bi,bj)) ENDDO ENDDO ENDDO ENDDO c ELSE c _EXCH_XY_RS( shelficeLoadAnomaly, myThid ) c ENDIF IF ( debugLevel.GE.debLevC ) THEN CALL WRITE_FLD_XY_RL( 'SHICE_pLoadAnom', ' ', I shelficeLoadAnomaly, -1, myThid ) ENDIF IF ( SHELFICEMassStepping .AND. & SHELFICEMassDynTendFile .NE. ' ' ) THEN CALL READ_FLD_XY_RS( SHELFICEMassDynTendFile, ' ', & shelfIceMassDynTendency, 0, myThid ) ENDIF #ifdef ALLOW_DIAGNOSTICS IF ( useDiagnostics ) THEN diagName = 'SHIfwFlx' diagTitle = 'Ice shelf fresh water flux (positive upward)' diagUnits = 'kg/m^2/s ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHIhtFlx' diagTitle = 'Ice shelf heat flux (positive upward)' diagUnits = 'W/m^2 ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHIUDrag' diagTitle = 'U momentum tendency from ice shelf drag' diagUnits = 'm/s^2 ' diagCode = 'UU MR ' diagMate = diagNum + 2 CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, diagMate, myThid ) diagName = 'SHIVDrag' diagTitle = 'V momentum tendency from ice shelf drag' diagUnits = 'm/s^2 ' diagCode = 'VV MR ' diagMate = diagNum CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, diagMate, myThid ) diagName = 'SHIForcT' diagTitle = 'Ice shelf forcing for theta, >0 increases theta' diagUnits = 'W/m^2 ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHIForcS' diagTitle = 'Ice shelf forcing for salt, >0 increases salt' diagUnits = 'g/m^2/s ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHIgammT' diagTitle = 'Ice shelf exchange coefficient for theta' diagUnits = 'm/s ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHIgammS' diagTitle = 'Ice shelf exchange coefficient for salt' diagUnits = 'm/s ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHIuStar' diagTitle = 'Friction velocity at bottom of ice shelf' diagUnits = 'm/s ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) diagName = 'SHI_mass' diagTitle = 'dynamic ice shelf mass for surface load anomaly' diagUnits = 'kg/m^2 ' diagCode = 'SM L1 ' CALL DIAGNOSTICS_ADDTOLIST( diagNum, I diagName, diagCode, diagUnits, diagTitle, 0, myThid ) ENDIF #endif /* ALLOW_DIAGNOSTICS */ #endif /* ALLOW_SHELFICE */ RETURN END